A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
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.
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.
CALCIUM SULPHATE-BASED PRODUCTS
FISHER ROBIN (author)
2015-09-30
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME