HOW TO WELD PLASTICS – PLASTIC WELDING, REPAIR & FABRICATION WELDING OF RIGID THERMOPLASTICS: Here is an easy step-by-step guide covering the tips and techniques of “How To” weld plastics with hot air. 1. Plastics Identification: Observe the Plastic Identification Codes (typically molded into the underside of a parWear rubber gloves when working with plastic glue to prevent the adhesive from getting on your skin. 3. Press the plastic piece into place. Line up the edges carefully—plastic glues dry quickly, so you may only get one shot. Once the piece is in position, apply constant pressure for 30 seconds to a minute.When it comes to construction projects that involve welding work, hiring the right subcontractor is crucial. However, with so many options available, it can be challenging to deter...JB Weld Plastic Bonder is a two-part epoxy that can be used to bond plastic, metal, and ceramic. It can also be used to fill in cracks and holes. The mixed adhesive is a cream color and sets in four hours. JB Weld adhesives are strong, durable, and heat resistant. To create a smooth surface, you can sand the dried glue with a fine …The best glue for polypropylene plastics is JB Weld’s “PlasticWeld,” according to a test conducted by Craftech Industries. Another glue that works on polypropylene is All Purpose A...Permatex PermaPoxy 5 Minute Plastic Weld is a structural adhesive designed for general purpose bonding of a wide variety of materials. This weld forms a tough, durable bond to most plastics, composites, ceramics and wood in any combination.PRODUCT DESCRIPTION. J-B Weld PlasticWeld Syringe is a specially formulated two-part adhesive and epoxy filler system that provides for strong, lasting repairs.Jan 18, 2022 · Ultrasonic Plastic Welding Steps. Below is a brief overview of the steps involved in ultrasonic plastic welding. Note that these are general steps and may or may not represent the process used in specific models. Also, note that components from Figure 1 will be referenced in describing the steps of ultrasonic plastic welding. Step 1. Fortunately, that is not the case in this very little known field. So what exactly is plastic welding? Plastic welding is a technique used for semi-finished plastic materials that …Fast curing product with gelling of mixed adhesive in 5-6 minutes and fixturing in 9-10 minutes. NOTE: Will not bond most polyethylene or polypropylene plastics ...Celebrating 25 years in business in 2022, BAK are renowned for their innovation and product quality. BAK’s extensive range of expert tools has a product for every plastic welding application across plastic fabrication, roofing, civil engineering, tunnelling, process heat, tarpaulins, flooring and many other construction and manufacturing businesses.Below are some steps for plastic welding that will help you get the most out of your welding: Clean the Surface. Make sure surface is free from dirt, grease, oil and other contamination. Use soap and warm water to clean the surface before making a weld. The oxide layer present on the plastic surface can affect the plastic welding quality.The Plastic Bonder is a urethane. You should not be having only using a portion of the syringe at a time. Try using your palm to push the syringe and use you other hand around the syringe to add resistance to the travel of the plunger instead of using your thumb on the plunger. Helpful? PlasticWeld is a specially formulated two-part adhesive ... Plastic Padding Super Steel Epoxy Weld. The Plastic Padding Super Steel Epoxy Weld is a dark-grey coloured, metal-filled, two-component adhesive, which sets like steel and is ideal for emergency repairs around the home, garden, farm, car, boat etc.. It hardens in 5 minutes and cures in 10 minutes. It works well under a maximum temperature of 315°C …Are you interested in learning the art of welding? Do you want to acquire the skills that can open doors to a rewarding career in metalwork? If so, enrolling in local welding class...Types of Plastic Welding Seams Plastic welds have a similar appearance to metal welds, and therefore, many of the same welding techniques are used. Below are the six most common types of plastic welds: Fillet weld – The fillet weld is one of the most frequently-use seam geometries. It’s produced by welding two workpieces that meet in a T-joint.Begin by Cleaning and Setting Up the Working Space Set up your working …Plastic Weld Solvent 57ml. This solvent sticks all normal model making plastics, i.e. perspex, ABS, butyrate, styrene, acrylic etc. It has a long shelf life, is fast acting (grabs in seconds), and has a water-like consistency so it is best used by holding or clamping the surfaces together and running a loaded brush or applicator along the ...Learn how to weld plastics - (Plastic Fabrication - Plastic Repairs) Welding plastics is not rocket science, but you do need the right equipment and must f... Free phone: 1-800 148 791. Plastic Welding Tools Pty Ltd, supply a complete range of plastic welding supplies, accessory nozzles, plastic welding rods and information on how to weld plastics according to worldwide DVS joining standards. Our equipment is designed for commercial users – reliable, innovative, and precision engineered for the ...How to weld plastic, Repair PVC pipe and sheet plastic, a run through of all the different steps, filler rod, welding torch temperature, cleaning plastic sur...#welding #plasticwelding #plasticrepairtoday we share how we repaired an old plastic tub.Cheaper plastic welding kithttps://amzn.to/3KHzmJQBetter quality pla...JB Weld 50133 Plastic Bonder 25 Ml. ... JB Weld 50133 Plastic Bonder 25 Ml. ... J-B Weld's Plastic Bonder Syringe is a quick curing epoxy that sets in 15 minutes ...Kit includes: welding torch, 9mm/12mm welding tips, screwdriver, cleaning rod, wire brush, three steel mesh sheets (100mm x 60mm) and four types of plastic filler. Butane gas required. Features: • Cordless gas-powered welder. • Fast heating process. • 4 plastic filler types included. Specifications: Operating time: 60-90 minutes (on ...Plastic welding usually doesn’t require using any consumables, whereas adhesive joining does (consumables are messy and can be difficult to contain). Plastic welding usually doesn’t require intensive surface preparation steps, which adhesives do. A plastic weld is permanent, whereas mechanical fasteners and adhesives may not be.Yes, you can weld plastic using a soldering iron. This means that you can weld plastic for fabrication as well as artistic purposes. Before welding directly onto plastic you may want to experiment on scrap plastic; this will help you perfect the craft and learn how long to press the soldering iron on specific points of the plastic. How to weld ...Jan 3, 2022 · The plastic welder heats the rod and the substrate while simultaneously pressing the molten weld rod into position. A bead of softened plastic is placed in the joint, and the parts and weld rod fuse. The speed tip welding method is a much faster welding technique and can be used in tight corners with practice. Plastic welding. Plastic welding is welding for semi-finished plastic materials, and is described in ISO 472 [1] as a process of uniting softened surfaces of materials, generally with the aid of heat (except for solvent welding ). Welding of thermoplastics is accomplished in three sequential stages, namely surface preparation, application of ... 200W Plastic Welder, Plastic Weld Kit with 1200PCS Hot Staples+78PCS Plastic Welding Rods, 3-IN-1 Plastic Repair Kit, Plastic Welding Gun For Car Bumper/Kayaks/Toys (Yellow) 36. 50+ bought in past month. $3498. Join Prime to buy this item at $30.98. FREE delivery Tue, Feb 27 on $35 of items shipped by Amazon.Plastic Weld is a hand-mixable, fast-setting epoxy putty that forms a durable bond to most major plastic types. Read customer reviews, ratings, questions and answers about this …Plastic Weld styrene Cement EMA 57ml bottle Ideal for Plastruct / Evergreen etc. Plastic Weld styrene Cement EMA 57ml bottle Ideal for Plastruct / Evergreen etc. Regular price £3.99 Sale price £3.99 Regular price. Unit price / per . Sale Sold out. ROUND TUBES range styrene ABS plastic polystyrene PTBFS Tube PLASTRUCT.Best Match. CHICAGO ELECTRIC. 1300 Watt Plastic Welding Kit with Air Motor and Temperature Adjustment. $8999. In-Store Only. Add to List. CHICAGO ELECTRIC. 80 Watt Iron Plastic Welding Kit. $2499. J-B Weld Plastic Weld Epoxy Putty Plastic Weld is a hand-mixable, fast-setting epoxy putty that forms a durable bond to most major plastic types. After mixing, it forms a polymer compound that can be molded or used to build up and repair just about anything made from plastic. When cured, it can be sawed, drilled, carved, sanded and …Fortunately, that is not the case in this very little known field. So what exactly is plastic welding? Plastic welding is a technique used for semi-finished plastic materials that …Place the Hot Welding Iron on the mesh and start heating the mesh and parent plastic. As the mesh heats, the plastic will start melting into the mesh. Continue this heating process until approx. 1/16” to 1/8” of plastic is above the mesh. Next, allow the area to cool before adding more plastic welding rod to the area.Step 4: Let It Set. After applying the glue to the areas, attach the pieces properly. Then let it sit for about 15 minutes. When the color turns tan, you can ensure it is properly set. Let it sit overnight to get full strength. It is how you can use this plastic bonder to repair plastic accessories.J-B Weld PlasticWeld Epoxy Putty. PlasticWeld is a hand-mixable, fast-setting epoxy putty that forms a durable bond to most major plastic types. After mixing, it forms a polymer compound that can be molded or used to build up and repair just about anything made from plastic. When cured, it can be sawed, drilled, carved, sanded and painted.Step 1: Identify what type of plastic you are welding. Step 2: Scrape back the outlay layer of plastic and create a V groove to weld into. Step 3: Tack weld the two …JB Weld 50133 Plastic Bonder 25 Ml. ... JB Weld 50133 Plastic Bonder 25 Ml. ... J-B Weld's Plastic Bonder Syringe is a quick curing epoxy that sets in 15 minutes ...Feb 5, 2022 ... A solvent type glue such as Plasticweld on styrene or ABS welds the parts together. In other words, it melts the two bonding surfaces together ...Ensure equal levels of hot air are directed at the plastic weld rod and the weld surface to ensure they reach “plasticity” at the same time. 4. When the surface plastic shows signs of slight wetting, move the welding nozzle along the groove while at the same time applying downward pressure on the weld rod to ensure a sound bond.Ultrasonic plastic welding is a fast and efficient technique that creates a strong, clean and hermetic seal, while increasing production without compromising quality. It is used for packaging, medical devices and other specialized applications that require a high-quality seal. With high-performance ultrasonic welding machines and equipment ... Nov 9, 2021 · If the welded plastic isn’t smooth enough, use more welding rods. Place your Weld in a safe place, preferably on a heat-resistant surface, until it cools fully. Sand the welded joint: For consistency, use 12-grit sandpaper to smooth down the rough ridges. After sanding, the plastic and joint will be leveled. Jan 7, 2023 ... I have used a HF hot air plastic welder (with built in air motor) successfully to repair some automotive plastic parts. It's big, and a bit ...Plastruct Plastic Weld 2 fl ozGeneral Purpose Plastic Solvent CementMulti-purpose, evaporative formula for bonding Plastruct ABS, Styrene, Butyrate and Acrylic to itself or each other.Directions:For best results, hold parts firmly together. Apply cement sparingly to the joint. Hold for 15 to 20 seconds. Cement willPlastic welding provides high levels of material strength in a join, which is why it is so common to see in vehicle repairs. There are a variety of different plastic welding methods that can be used, with each offering advantages and optimal use cases. Plastic Welding Methods. Six different methods can be used to weld plastics. The best option ... What is plastic welding? Methods 1. Hot Gas Welding 2. Hot Plate Welding 3. Extrusion Welding 4. Ultrasonic Welding 5. High-Frequency Welding 6. Laser …Plastic Bonder is a quick-setting, two-part, urethane adhesive system that provides strong and lasting repairs and works on thermoset, carbon fiber composites, thermoplastics, coated metals, concrete and more. Plastic Bonder has a 1:1 mixing ratio, sets in 15 minutes and can be sanded after 30 minutes. With a tensile strength of 3770 PSI, Plastic Bonder sets to a tan color and cures to a hard ... Step 4. The machine is turned on and delivers high-frequency vibrations to the parts for a set period (known as the weld time). Image credit: Christian Cavallo Consulting, LLC. Step 5. The parts are kept in compression for a set period (known as the hold time), allowing the plastic to cool and fuse together. Step 6.PLASTIC WELD SOLVENT CEMENTThe leading general purpose solvent cement for fast, permanent bonding of most dissimilar plastics. Immediately tacky. Sets in minutes. Permanently bonds ABS to Butyrate, ABS to Styrene, ABS to Acrylic and more. Actually dissolves a thin film of the surfaces to be joined, creating a bond as sUsing a 1:1 mixing ratio, PlasticWeld combines to a tensile strength of 3,200 psi and cures to an off-white color. Multi-purpose formula bonds to ABS, fiberglass, PVC, glass, vinyl, composites and most plastics. Sets in just 5 minutes and fully cures in 1 hour. Replaceable cap - better value and allows consumer to reuse product left in syringe. May 28, 2016 · Plastic Welding - How to weld plastic using 3 Step plastic welding process. Learn plastic welding.This video will show you the critical steps to take when we... This is a Plastic Weld Cement from Plastruct. (126) Plastruct # pls00002. $4.99. ADD TO CART. WISH LIST . Retail $6.25 SAVE 20% ! Plastruct Item # pls00002. Features : Brush in caps Cements by capillary action Sets in minutes Used for bonding Plastruct ABS, Styrene, Butyrate or Acrylic to each other, or in combination.Mar 6, 2011 ... Getting two pieces of Styrene, ABS or Butyrate to permanently bond is more than just gluing them together. Products like these Plastic Weld ...Plastic welding is a process that involves joining together two or more pieces of plastic using heat and pressure. People worldwide use this method for …the Plastic Welding market. WELDplas is an innovative company, specialized in the plastic welding segment. We are responsible for the development of the first and only Brazilian automatic welder. Besides not using compressed air to work, this plastic micro extruder does not need heated air to perform the welding.Apr 22, 2014 ... I use high quality hot glue on both metal and plastic. The metal must be pre-heated, and you should be using a glue and gun that are intended ...Plastic Weld is a hand-mixable, fast-setting epoxy putty that forms a durable bond to most major plastic types. Read customer reviews, ratings, questions and answers about this product on the JB Weld product page. Nov 15, 2023 · Apply approx. 2.5 – 3 kgs of downward pressure, forcing the welding rod through the speed welding nozzle and into the weld area. The welding tool will only need to be supported, as the force on the welding rod will move the tool along the weld area with ease. The “Speed Welding” process is fast, and very easy to achieve. Oatey® PVC Plastic-Weld™ Medium Bodied Clear Cement is recommended for potable water, pressure pipe and DWV applications. Formulated for use on all schedules and classes of PVC pipe and fittings up to 6 in. diameter with interference fit. Oatey products have earned the trust of plumbing professionals for over 100 years.PLASTIC WELD SOLVENT CEMENTThe leading general purpose solvent cement for fast, permanent bonding of most dissimilar plastics. Immediately tacky. Sets in minutes. Permanently bonds ABS to Butyrate, ABS to Styrene, ABS to Acrylic and more. Actually dissolves a thin film of the surfaces to be joined, creating a bond as sPLASTIC WELD SOLVENT CEMENTThe leading general purpose solvent cement for fast, permanent bonding of most dissimilar plastics. Immediately tacky. Sets in minutes. Permanently bonds ABS to Butyrate, ABS to Styrene, ABS to Acrylic and more. Actually dissolves a thin film of the surfaces to be joined, creating a bond as sQUOTE: the exposure levels required to cause problems vary widely depending on the chemical, but in general, as a modeller, you will be unlikely to have been ...In this video we show you how to repair breaks and cracks in a plastic car bumper using the plastic welding method. If your plastic bumper is broken or crack...Learn how to weld plastics - (Plastic Fabrication - Plastic Repairs) Welding plastics is not rocket science, but you do need the right equipment and must f... Plastic welding is a process of joining two pieces of plastic together by heating the surfaces to be joined and applying pressure to fuse them together. The process is similar to traditional welding, but instead of …J-B Weld™ has an assortment of products that are specifically designed for plastic projects and repairs. When Strength Really Matters, use J-B Weld™; The Wor...Mission Models Paint - Brown 30ml. Decopatch - Paper Ref 729. Plastic Weld can be used to cement any of the following plastics to each other, or in any combination: Styrene, Butyrate, ABS, Acrylic (Lucite or Plexiglas), Perspex. Plastic Weld should be applied with a small brush or blunted needle. Use Plas.Step 1: Identify what type of plastic you are welding. Step 2: Scrape back the outlay layer of plastic and create a V groove to weld into. Step 3: Tack weld the two …The best glue for polypropylene plastics is JB Weld’s “PlasticWeld,” according to a test conducted by Craftech Industries. Another glue that works on polypropylene is All Purpose A...Nov 9, 2021 · If the welded plastic isn’t smooth enough, use more welding rods. Place your Weld in a safe place, preferably on a heat-resistant surface, until it cools fully. Sand the welded joint: For consistency, use 12-grit sandpaper to smooth down the rough ridges. After sanding, the plastic and joint will be leveled. Aug 13, 2022 · High-frequency welding involves welding plastic polymers using an electromagnetic field (13–100 MHz). This generates heat inside the material (it does not require direct heat application). The operator applies pressure continuously to fuse the plastics until the weld form, and heat removal occurs to cool the welded joint. Plastic Welding Kit – https://amzn.to/3vl3rHVToday on JD Cars we’re fixing some plastic front bumper cover damage on the BMW. I was honestly just going to ...The strongest glue for plastic is JB Weld PlasticWeld, according to Craftech Industries. Craftech tested the glue on Teflon, nylon, polypropylene, TPU and PVC and only found proble...1. J-B Weld Plastic Bonder 50133. Strong and lasting. Strongest plastic bonder. Perfect for multiple uses. To begin with, we have the Plastic Bonder 50133 from J-B Weld. While the producers do claim it to be the world’s strongest bond, in reality, it doesn’t actually deviate from the claim.Laser welding is a fast and accurate plastic welding process that uses a concentrated heat source while subjecting the workpiece to pressure. Laser welding can be automated through robots, creating clean welds that require little to no post-weld processing. LBW equipment is initially expensive and the process isn’t suitable for …TOOLIOM 100W Portable Plastic Welder Hot Stapler Plastic Repair Kit,110V Plastic Weld Kit with 200 PCS Welder Staples,4 Types Staples Plastic Welding Gun for Car Bumper Crack Kayak Repair. 4.6 out of 5 stars 102. 100+ bought in past month. $18.99 $ 18. 99. 10% coupon applied at checkout Save 10% with coupon.3M Scotch-Weld Plastic & Rubber Instant Adhesive PR100, Clear, Low Viscosity, Fast Handling Time and Cure, 20 g (0.07 fl oz) Bottle, 10/Case 4.5 out of 5 stars 406 50+ viewed in past weekLaser welding is a fast and accurate plastic welding process that uses a concentrated heat source while subjecting the workpiece to pressure. Laser welding can be automated through robots, creating clean welds that require little to no post-weld processing. LBW equipment is initially expensive and the process isn’t suitable for …How to Perform an Expert Plastic Weld. Performing plastic welds expertly requires practice, attention to detail, and expert knowledge of the specific plastic materials being used. The tips below can help you achieve high-quality plastic welds, no matter the technique being used. Choose the Correct Hot Air ToolPlastic weld or say your Tamiya plastic cement melts the plastic and basically creates a plastic weld airgo plastic weld. Resin is not plastic and therefore it won't melt. It's best to use CA glue or epoxy I guess if u like the smell.May 28, 2016 · Plastic Welding - How to weld plastic using 3 Step plastic welding process. Learn plastic welding.This video will show you the critical steps to take when we... Best Match. CHICAGO ELECTRIC. 1300 Watt Plastic Welding Kit with Air Motor and Temperature Adjustment. $8999. In-Store Only. Add to List. CHICAGO ELECTRIC. 80 Watt Iron Plastic Welding Kit. $2499.Using a 1:1 mixing ratio, PlasticWeld combines to a tensile strength of 3,200 psi and cures to an off-white color. Multi-purpose formula bonds to ABS, fiberglass, PVC, glass, vinyl, composites and most plastics. Sets in just 5 minutes and fully cures in 1 hour. Replaceable cap - better value and allows consumer to reuse product left in syringe.Jan 6, 2024 · Best Plastic Welder for Automotive Repairs—Polyvance 5700HT Mini Weld Model 7 Airless. Multiple customers praised the Polyvance 5700HT Mini Weld Model 7 airless plastic welder for its ability to repair and bond plastic on cars and ATVs. For a product that will help leave broken plastic looking seamless, the Polyvance is ideal. Today, we will be showing you how to plastic weld & hot staple a multi cracked laundry basket. After we plastic weld the laundry basket, it will actually be ...Plastic items are in all homes and workshops. Because plastic items and parts are so fragile, anyone can break a plastic item, you can easily fix these broke...
After cleaning, use some sandpaper to roughen the surface around the hole. This step is vital as it helps in creating a better bond between the gas tank material and the repair material. Begin sanding in a circular motion, and extending a few inches beyond the hole. Next up, we can begin the fix, with one of two methods: Step 5a) using epoxy .... Taylor swift delicate
Hot plate welding is a plastic welding process that melts the surfaces of plastics using a hot plate. As the pieces cool, they unite to form a strong, welded …Aug 13, 2023 · Can the welders restore plastic to it's original strength or even stronger? Let's find out! Let’s compare several plastic repair options using two types of p... Jul 4, 2020 ... Guys have used Zip ties to make it work. I went to my local dealer and they had plenty or wrecked plastic laying around. That's what I used when ...This item: Plastruct PLS00002 Plastic Weld Cement Merch (12) $58.00 $ 58. 00. Only 19 left in stock - order soon. Ships from and sold by AltaRail. + Tamiya 87038 Extra Thin Cement Glue Fine Tip 40ml 2 Pack.To successfully weld plastics, you need to follow two crucial preparation steps: plastic identification and cleaning the entire joint’s surface before welding. There …Tutorial: Evaluating your Plastic Welds. It’s important to evaluate each plastic weld to ensure your final product is strong and resilient. Particularly when speed welding with a hand tool, small defects in a single weld can be magnified as beads are built up to the base material’s thickness. Several key indicators allow you to evaluate ...Step 4. The machine is turned on and delivers high-frequency vibrations to the parts for a set period (known as the weld time). Image credit: Christian Cavallo Consulting, LLC. Step 5. The parts are kept in compression for a set period (known as the hold time), allowing the plastic to cool and fuse together. Step 6.J-B Weld™ has an assortment of products that are specifically designed for plastic projects and repairs. When Strength Really Matters, use J-B Weld™; The Wor...Apr 23, 2011 · JOUNJIP Plastic Welding Rods- 7 Types of Welding Plastic (PP PU ABS PE TPO PA PC) Most Common Plastics- For Use With Jounjip Plastic Welding Kit- 52 Pack of 13" x 1/8" Dia $8.77 $ 8 . 77 Get it as soon as Wednesday, Dec 13 When it comes to metal fabrication and repair, welding plays a crucial role. Whether you have a broken fence, a damaged vehicle frame, or a malfunctioning industrial machine, weldi...Apr 22, 2014 ... I use high quality hot glue on both metal and plastic. The metal must be pre-heated, and you should be using a glue and gun that are intended ...Clean the area.Drill holes at each end of the crack to prevent it from spreading.Melt a plastic rod onto the crack.Reinforce the plastic weld with steel mesh... To successfully weld plastics, you need to follow two crucial preparation steps: plastic identification and cleaning the entire joint’s surface before welding. There …Jul 17, 2023 · Learn how to join softened thermoplastics surfaces using heat in this comprehensive guide with pictures. Find out the essential steps, tips and techniques for plastic welding, such as cleaning, setting up, choosing rods, heating, melting and cooling. ATOLS Plastic Welder, 1000PCS Staples, Plastic Welding Kit, Hot Stapler Kit, Plastic Welder Gun Kit, Car Bumper Repair Kit, Plastic Repair Kit, Portable Toolbox. 2,226. 900+ bought in past month. $2599. Buy 2, save 3%. FREE delivery Wed, Dec 27 on $35 of items shipped by Amazon. Only 16 left in stock - order soon. Plastic welding produces durable, reliable and complex transportation, monitoring and purification systems. Plastic welders can perform pipe-to-pipe weldments that meet your exact requirements. Plastic welding is a complex process that requires the right set of skills and a strong passion for improving those skills.This is a Plastic Weld Cement from Plastruct. (126) Plastruct # pls00002. $4.99. ADD TO CART. WISH LIST . Retail $6.25 SAVE 20% ! Plastruct Item # pls00002. Features : Brush in caps Cements by capillary action Sets in minutes Used for bonding Plastruct ABS, Styrene, Butyrate or Acrylic to each other, or in combination.Plastic Weld Solvent 57ml. This solvent sticks all normal model making plastics, i.e. perspex, ABS, butyrate, styrene, acrylic etc. It has a long shelf life, is fast acting (grabs in seconds), and has a water-like consistency so it is best used by holding or clamping the surfaces together and running a loaded brush or applicator along the ...May 18, 2023 · Once the heat gun is heated up, take the filler welding rod in one hand and the heat gun in another. Place the welding rod into the joint groove and start applying heat at a distance of about 1/2 in. with the pendulum motion. The heat gun will start melting the welding rod and the base plastic. The plastics that are usually used for welding are all thermoplastics like Polypropylene, Polyethylene, Polyurethane, Polyvinyl Chloride, also known as PVC, and Acrylonitrile ….