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So, does JB water welding work on plastic? The original JB Weld does not work well on polyethylene or polypropylene plastic. Polyethylene is often used for water or gas containers or garden sprinklers. Polypropylene is harder plastic, tough enough for use in some automotive radiator parts.
PRODUCT FEATURES AND STRENGTH: JB Weld SteelStik has overlapping shear strength of 900 PSI, can withstand continuous temperatures up to 350F (176C) and intermittent temperatures of 450F (232C), and is chemical resistant against petroleum, hydraulic fluids and other chemicals when fully cured.
If you don’t have a hand cleaner or it doesn’t work, try acetone or lacquer thinner. I wash my hands shortly after putting the material on them. In my uses, I finish working with it in about 15-20 minutes and try to remove within twenty minutes.
I apply solder around the entire joint and apply heat with a torch until the old solder melts. Add new solder until a shiny ring of solder shows around the joint. Let the pipe cool for five minutes, then turn the water back on and cross your fingers to stop the leak.
JB-Weld
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Cold soldering
Acid battery repair and soldering JBRandi Attempting to repair a crack in the plastic casing of a 12 volt everstart battery after trying to connect something to the correct terminal that did not fit properly. I researched and decided to give it a shot of JB because from what I have read so far it is supposed to be acid resistant and will bond to plastics, but during and after application it started to run off in some areas, so I am Wondering if it was the wrong thing to do? Or is the plastic of the battery case not compatible with epoxy? Reasons why the JB solder seems to bubble in some spots? Or really any other suggestions on different repair methods?
PEGACERO – Goodbye to welding – Product Test
When fully cured, JB Weld is completely resistant to water, gasoline and any other petroleum product or automotive chemical. For wet surfaces or submerged water or gasoline repairs, try our SteelStik or WaterWeld. KwikWeld is a great alternative to the original JB Weld when you need a fast setting epoxy.
With that in mind, can you use Flex Seal on plastic gas tanks? A: We do not recommend using Flex Seal Liquid® to perfectly seal a gasoline tank or any in contact with other flammable liquids.
At room temperature, JB Weld cures in 4-6 hours to a dark gray color. A complete cure is achieved in 15-24 hours. JB Weld has a tensile strength of 3960 PSI and bonds tough overnight. It can withstand temperatures up to 550°F when fully cured.
Repairing a leaking fuel line is a simple task for a repair facility and costs between $60 and $120. Lavacot says the semi-advanced mechanic can easily do it at home.