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J-B Weld is a two-part epoxy adhesive (or filler) that can withstand high-temperature environments. J-B Weld can be used to bond surfaces made from metal, porcelain, ceramic, glass, marble, PVC, ABS, concrete, fiberglass, wood, fabric, or paper. [7] [8] Alcohol should be avoided when cleaning surfaces, as it can degrade the bond. [9]
[1] [2] The adhesive, introduced in 1943, has been popular in aircraft and boat construction. [2] Until the invention of epoxy resin, resorcinol was one of the most common marine glues. Unlike epoxy, it does not have gap filling properties, requiring joints to be close fitting and clamped under pressure to achieve good results.
Two part epoxy coatings were developed for heavy duty service on metal substrates and use less energy than heat-cured powder coatings. These systems provide a tough, protective coating with excellent hardness. One part epoxy coatings are formulated as an emulsion in water, and can be cleaned up without solvents.
Use of epoxy requires careful attention to the mixing ratio of the two parts. It bonds to most cured wood glues (except PVA). [ 25 ] Two-part epoxy adhesive is very resistant to salt water, most epoxy is heat resistant up to 177 °C (351 °F), the formulations containing powdered metal and rubber or plasticizers are very tough and shock resistant.
The glue is typically a two-part epoxy resin (usually for paste products) or cyanoacrylate (for tapes). [2] The thermally conductive material can vary including metals, metal oxides, silica or ceramic microspheres. The latter are found in products that have much higher dielectric strength, although this comes at the cost of lower thermal ...
Two SSRIs, sertraline (Zoloft) and paroxetine (Paxil), are FDA-approved to treat PTSD. Other SSRIs are sometimes prescribed off-label to treat PTSD, meaning they’re used for something they’re ...
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