We should be stirr 20% or less this mixture proportion to primary time of tighten the gypsum. For example If the primary time of tighten gypsum is 5 minutes، we should stirr this mixture 1 minutes in processing of product. If we stirr this product more than 1 minute، this function cause the mortar to die. And then the plaster will not stuck.
The bags should be kept in dry place on the pallets and we should be kept them away from sunlight and moisture، if we lie them exposure to moisture cause gypsum to die.
Consumed them after 6 months from date of manufacture.