Plaster Retarders

Plaster Retarders Description Our Retarder of Plasteris mainly used inwhitewash plaster,glue plaster,gypsum putty and other gypsum products,retarding setting time of gypsum plaster,make the project more workability. Features It is brown powder,easy soluble in water Dosage in hemihydrate gypsum is 0.03%-0.5% More dosage, longer setting time. The dosage increases when the working temperature rises. A trial is necessary before using a new type of gypsum plaster and then determine an ideal and proper dosage of regarder. When use in whitewash gypsum,mix 0.5% of cementwith this retarder can extend theretarding time. Dosage Data sheet (according to hemihydrate gypsum) Dosage of retarderDosage of cementSetting time of plaster0.1%0.5%30min60min0.15%0.5%60min-90min0.2%0.5%90min-120min0.3%0.5%120min-180min0.4%0.5%180min-300min Packing and storage Packed in waterproofbag in 25kgs/bag,Keep dry and keep away moisture, avoid caking. Shelf life 12 months