The Cold Welding two-part epoxy system that provides strong, lasting repairs to metal and multiple surfaces. Mixed at a ratio of 1:1, it forms a permanent bond with tensile strength of 5020 PSI after curing. At room temperature, glue sets in 4-6 hours to a dark grey color and fully cures in 15-24 hours. When fully cured KwikWeld is waterproof, petroleum, chemical, and acid resistant!Surface Applications: Metal, Plastic, PVC, Concrete, Ceramic & Tile and Fiberglass. Use on: Household, Automotive, Marine, Plumbing, Crafts, Outdoor Equipment, Agricultural Equipment, Motorcycle, Toys, Boats, Personal Watercraft, In/Outboard Engines and Deck & Hull Accessories. Repair cracked or damaged metals back to perfection with the Heat Resistance Metal Repair Gel! This should help make your DIY metal repairs easy and fast!How To Use:1. First of all, we will find out the place to be cleaned, with no stain.2. The surface treatment is smoothed with a file, sandpaper, and other tools.3. The volume ratio of component A and component B is 1:1, which is fully uniform and applied to the object to be repaired.4. After 24 hours of bonding, all kinds of processing can be carried out.Note1:- The glue must be completely mixed before use, otherwise it will seriously affect the use of the effect.2:- Keep away from children, use in a ventilated environment, it is recommended to wear protective gloves.3:-If the metal epoxy comes into contact with the skin, please wash it off with soap.4:-In case of accidental contact with your eyes, please rinse with plenty of water and seek medical attention as soon as possible.5:- Metal epoxy glue is not necessarily suitable for all materials, please conduct a small-scale test before mass use.