EPD-IES-0010285:001 (S-P-10285)

Alpha Hemihydrate Base (from natural gypsum)

Alpha Hemihydrate Base (from natural gypsum), or Alpha HH Base (natural), is a high-strength, unformulated hemihydrate plaster (CaSO4.1/2H2O) produced from naturally occurring high-purity gypsum mineral. It is white in colour.

Saint-Gobain Formula’s Alpha Hemihydrate Base (from natural gypsum) is a product group derived from natural gypsum using the alpha calcination process at Saint-Gobain Formula, Newark; they are differentiated by their average particle size.

Registration numberEPD-IES-0010285:001 (S-P-10285)
StatusValid
Version date1900-01-01
Validity date2028-10-05
PCR2019:14 Construction products (EN 15804+A2) (version 1.3.4) 1.3.4
Standards conformance
Geographical scopeUnited Kingdom
LCA PractitionersCharnett Chau, charnett.chau@saint-gobain.com, Saint-Gobain Construction Products UK Ltd. t/a Saint-Gobain Formula