bondite

Waterproof Repair Sealers Caulk Repair Walls and Pipes Automatic Curing, Fire and Oxidation Resistance
Sealers, an environmentally friendly material, can be kneaded into any shape to repair the wall.
The clay is fine, high-density, waterproof, oil-proof, and has a very good sealing performance.
Corrosion resistance, oxidation resistance, no yellowing, durable.