High range Gypsum Retarder
GR

Description
Gypsum Retarder is a dry powdered admixture used for extending the set time of gypsum or gypsum-containing blended materials. It is an organic synthetic melamine resin of high purity. Using this agent, the operation time of the gypsum plaster can be prolonged for an hour or hours as demand. It helps to raise cost-efficiency. It helps to adjust the setting time and density of gypsum paste optionally by using together with SM superplasticizer.

Specification
Appearance: white powder or grey powder
Solid content (%): 95 min.
PH value (20 degree C., 20% solution) 6-8

Features & Benefits
1. Odorless and non-toxic.
2. It is a high-strength retarder that is effective at low dosages.
3. Dose-response is linear, making the determination of effective dosage easy.

Dosage
Recommended Dosage: 0.1-1.5%.
The setting time will be prolonged by dosage increase. But setting retarding effect may vary due to different gypsum types. Lab test is recommended to optimize dosage.

Package: 25 kg/bag