Polyurethane prepolymer compsn. for use in hydraulic engineering - contg. cement, vermiculite, gypsum, quartz, wood, etc.

摘要

Grouting cement mortar compsn. for use in the building industry comprises a mixt. of water, vermiculite, cement, gypsum, quartz, fireclay, slag, solvent free polyurethane prepolymer, expanded clay and wood fibres or dust, in proportions suitable for manual or machine mixing.