Magnesium oxide and sulfur trioxide

According to GB 176-76 "cement chemical analysis method" for.

Fineness

According to GB 1345-77 "cement fineness test method (sieve method)".

Setting time and stability

According to GB 1346-77 "cement standard consistency of water consumption, setting time, stability test method".

strength

According to GB 177-77 "cement mortar strength test method". Water-cement is fixed at 0.44 for white cement.

BaiDu

According to GB 2016-80 "white silicate cement whiteness test method".