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GOODPOLY Gypsum Retarder is produce by degraded polyamids, salified with calcium. It’s a kind of retarder special designed for various gypsum applications.

Physical Specification
Grade GR20 GR40 GR90
Appearance (%) Light grey powder Light grey powder Light brow
Active Content (%) >25% Approx. 45% > 95%
Bulk Density 600~900g/L 600~900g/L 400~600g/L
pH value (10%) <12 <12 7~9
Water Content < 5% < 5% < 5%

 
Properties / Benefits
GOODPOLY GYPSUM RETARDER provides the following benefits for gypsum based products:
● Prolong initial setting time and final setting time
● Excellent retard performance
● Very easy to disperse.
● Very low effect to final strength

Application
GOODPOLY GYPSUM RETARDER may be used in a variety of gypsum applications as follows:
● Gpysum plaster, skim coat
● Gypsum adhesive mortar
● Gypsum joint filler
● Gypsum molding board
● All kinds of gypsum products

Handling & Dosage
GOODPOLY GYPSUM RETARDER can be added to other powdery components and mix to get a homogenous formulation. The dosage may vary from 0.05%~0.2% according to actual usage. The required dosage should be evaluated in suitable tests prior to final application.

Storage
GOODPOLY GYPSUM RETARDER may be stored in original sealed bags under dry cool place for at least 12 month.
Package
15~25kg/bag: multiply paper or plastic woven bag with polyethylene interlayer.

Further information is available on request