A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
ПРОДУКТЫ НА ОСНОВЕ СУЛЬФАТА КАЛЬЦИЯ
This invention relates to improved high temperature resistant calcium sulphate-based products e.g. gypsum wallboard products and, in particular, to products having reduced shrinkage at high temperatures. The invention provides calcium sulphate-based product comprising gypsum and a shrinkage resistance additive. The shrinkage resistance additive is melamine polyphosphate or melamine pyrophosphate.
ПРОДУКТЫ НА ОСНОВЕ СУЛЬФАТА КАЛЬЦИЯ
This invention relates to improved high temperature resistant calcium sulphate-based products e.g. gypsum wallboard products and, in particular, to products having reduced shrinkage at high temperatures. The invention provides calcium sulphate-based product comprising gypsum and a shrinkage resistance additive. The shrinkage resistance additive is melamine polyphosphate or melamine pyrophosphate.
ПРОДУКТЫ НА ОСНОВЕ СУЛЬФАТА КАЛЬЦИЯ
2017-01-26
Patent
Electronic Resource
Russian
IPC:
C04B
Kalk
,
LIME