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HR-200 is a highly efficient set retarder in powder form for calcium sulphate (Gypsum) based binder systems.

 

HR-200P provides excellent performance in the adjustment of setting time and workability of calcium sulphate binders, especially in neutral to slightly alkaline alpha and beta-hemihydrate binders. The product is especially suitable for the following applications:

 

?Production of self-levelling screeds and underlayments

? Production of moulding and modelling plaster

? Production of dental and medical plaster

Specifications

Item	Data
Appearance / Colour	Bright beige
Composition	Modified amino acid
Bulk Density	380 kg/m3
pH-Value	7.0 - 9.0 at +23 °C (30% solution)
Chloride	≤ 0.1%
sodium oxide（as Na2O）	≤ 0.1%
Storage conditions	Dry storage at temperatures up to 40 °C. Protect from direct sunlight and  humidity.
Shelf life	24 months shelf life from date of production if stored properly in undamaged, unopened, original sealed packaging.
GR 200P is a highly efficient set retarder in powder form for calcium sulphate (Gypsum) based binder systems.

 

Dosage:

Generally 0.001 - 0.01 % by weight of binder Differences in calcium sulphate binder type, raw material sources, calcining methods, age and storage conditions of the binder and other conditions and factors at the plant and/or on-site can also influence the setting time of gypsum binders and therefore the dosage requirements of GR-200 P.

Note: Preliminary testing is required to determine the exact dosage for specific applications and conditions.  

Packing:  25kg/bag

plaster retarder 4

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