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STC Injection Grouting System Overview by Raju Shrestha is a document available to read on EtoBox.

1. Perma lnject STC is a two-component polyurethane injection grouting system used to seal leaks in concrete structures like basements and tunnels. It consists of a prepolymer resin and catalyst that form a semi-rigid foam when mixed and injected into cracks or pores. 2. When injected, it reacts with water to expand up to 20 times its original volume, filling cracks and pores and stopping leaks. Carbon dioxide released in the reaction allows it to penetrate deeply. 3. It is supplied as two components that

Author

Raju Shrestha

Language

EN