Heat Resistant Industrial Repair Glue, Cold Welding for Metal, High Heat Resistant Metal Repair Paste for Permanent Iron Welding Joints. Can be Molded, Threaded, Filed, Ground, and Drilled According to Application. Widely Used for Defects, Cracks, Corrosion, and Other Problems of Iron Casting Parts and Equipment, Stainless Steel, Steel, and Aluminum. Easily and Quickly Repair Cracked or Damaged Metal. Capacity: 100g per Set (50g Gray Mud and 50g White Paste). Temperature Resistance: -60°C~150°C. Usage Ratio: A:B=1:1. Curing Time: 1 Hour Initial Curing, 12 Hours Full Curing. Includes: 1 x 50g Glue A and 1 x 50g Glue B. Notice: The Glue may Harden due to Low Temperatures. It is Recommended to Soak Glue from Tube A in Hot Water to Soften it before Use. The Glue has a Shelf Life of about 20 Minutes after Mixing.