What is the service life of styrofoam?
The service life of the polyurethane foam filler after curing isHow long will it be used? It appeared in a few yearsAgingorDeformation‘sQuestion? The editor of Weigu will explain it to everyone. The main ingredients of styrofoamGeneralis polyurethane, which has veryStrong stability, The foaming principle of the foam caulking agent is that after it is sprayed…