SILRES® BS 94 CN should be added to the water used to mix the gypsum paste. The addition of SILRES® BS 94 CN of 0.2-0.4% gypsum weight significantly reduced product uptake

Water rate, meet the requirements of DIN EN 520. The effectiveness of SILRES® BS 94 CN depends on the type of gypsum, the ratio of water to paste, and other additives such as starch/cellulose or surface activity. Therefore, a general recommendation for SILRES® BS 94 CN cannot be given. Prior testing must be done to determine the optimal dosage.