Specification :

Small dosage, good retarding;
Setting time of gypsum can be regulated casually.
Strength loss rate is small of hardened gypsum mixed with GR.
Application:
For plaster gypsum, glue gypsum, prefabricated gypsum components, gypsum stuffing, gypsum model broad and gypsum decoration coating etc.
For good fluidity of powder form, GR can be mixed well with gypsum, no matter with spiral mixing or grinding. Operating time of gypsum mortar can be lengthened by one odd hour.
Specification:
Appearance: white powder or grey powder
Solid content (%): 95 min.
PH value (20 degree C., 20% solution) 6-8
Suggested mixed amount: 0.1-1.5%
Packing: 25KG / bag
Gypsum Retarder
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supply indirect zinc oxide