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They use a tool that looks like a hot air gun. It heats the plastic to the correct temperature and melts the filler material at the same time. Remember, welding is melting and fusing material whether it is metal, plastic, or glass.
Sometimes they do what is called chemical welding. Then they coat the two pieces to be welded with a solvent that dissolves the outer layers. They mate the two pieces until the solvent evaporates. After the solvent is gone, the two pieces have merged along their edges and are "welded" together.
Wiki User
∙ 11y ago
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∙ 14y agouse a hot piece of metal
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What is butt joint in stainless steel?
there are 3 types of welded joint 1-butt weld butt weld is the type which need usually 4 mm clearance between the 2 edge of pipe or plate you want to weld it. 2-socket weld 3-seal weld
How does calcium carbonate influence weld quality?
Calcium carbonate is decomposed and the products CO/CO2 form a gas shielding for the weld.
Why is aluminium hard to weld when exposed to air?
Aluminum is not only hard to weld when exposed to atmospheric air, it is impossible. All aluminum arc welding processes must be shielded from the air. Gmaw (mig) and gtaw (tig) used sheilding gasses such as pure argon or argon mixed with co2 or helium depending on the application. Smaw (stick) process uses a flux to shield the weld. Aluminum is very reactive making it one of the hardest materials to weld. The cleaner the aluminum is the better it will weld. Aluminum must be free of anything that produces hydrocarbons when heated, such as paint, oil and lubricants. Aluminum must be clean and well shielded from the air to achieve a quality weld.
Can a plastic hairband be stuck together again if its broken?
Not easily as the join will be a flaw that will just snap again. Depending on what it is made from, the most successful join would probably be a solvent weld, rather than adhesive, but that isn't an option to very many people outside of a lab.
How easily is a hole in the transmission pan fixed and how can you do it?
have someone weld a patch panel on it, or if it is small enough use a product called JB Weld which can be picked up at any autoparts store.
How can you weld nylon with plastic?
you melt it
How do you repair a crack in a plastic radiator?
weld it with nylon rod using iron plastic welder.
How do you fix a hole in hard plastic then drill it?
JB Weld
How do you weld plastic with a hot air welder?
You aim the hot air at the plastic edges and it melts as you put them together.
Can i use JB weld on a broken plastic timing chain guide?
Not recommended.
How can you repair a crack in your plastic radiator?
I had 2" crack on top of the radiator. I tried JB Weld and other similar putty but they did not work on plastic. I bought Permatex PermaPoxy™ 5 Minute Plastic Weld from Advanced Auto Parts for $7. It took 10 minutes to finish the job and it worked.
How can you seal a crack in the plastic on top of the radiator on a Lexus es300?
Jb weld expoxy mix
Is it safe to use permatex plastic weld on a car radiator?
I doubt very much it will hold.
How do you fix a plastic radiator leak?
By replacing the radiator. I've seen people use JB Plastic Weld and it only holds up for a few weeks.
Can a cracked plastic tank at the top of a radiator be fixed or must you replace the radiator?
Replace the radiator. Try JB Weld or JB Kwik Weld on the crack first -- you can pick it up for $4 and it is definitely worth a shot. I have tried the jb weld it didn,t work . I had to buy a new raditor ANSWER I work in a shop where we routinely replace the plastic tank. If you have to repair the plastic tank then do it from the inside. You can separate the tank from the core by carefully loosening the aluminum tabs holding it in place.
How do you repair the plastic piping on the radiator that the upper hose clamps onto?
JB Weld? Drain fluid, make sure it's realllly dry. If it's cracked, smear JB weld or another epoxy compound that bonds to plastic, wait for it to cure (probably 4-6 hours), then refill fluid and see if it leaks at full operating temperature.
Can brass glue be used on plastic PVC?
NO, PVC is very sensitive to which glue is used. In Domestic pipe applications you should use Weld-On 711
