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Gypsum Retarder in Dry Mixed Mortar Admixtures

Gypsum Retarder is a new type protein based high efficiency gypsum retarder, has super retarding effect with smaller dosage. It can adjust the gypsum products’setting time freely by customers’ various needs.
GR-2020 is a special designed for desulphurization gypsum, can be apply to plaster gypsum, plaster adhesive, plaster precast, gypsum filler, gypsum model, and gypsum decorating coating.
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  • GR-2020
  • PTMA
  • 3804000090

Gypsum Retarder in Dry Mixed Mortar Admixtures

Overview

Gypsum Retarder is a new type protein based high efficiency gypsum retarder, has super retarding effect with smaller dosage. It can adjust the gypsum products’setting time freely by customers’ various needs. It helps gypsum and plaster products to have few strength loss rate after gypsum hardened.

Performance

GR-2020 is a special designed for desulphurization gypsum, can be apply to plaster gypsum, plaster adhesive, plaster precast, gypsum filler, gypsum model, and gypsum decorating coating. 

By using this agent , the working time of the gypsum can be prolonged for an hour or hours on demands. It helps more to adjust the setting time and density of gypsum paste optionally combined with our Ptma Super-Plasticizer together.

Mixing Process

GR-2020 is a white powder agent with good fluidity, which can be mixed and dispersed well with gypsum, either by spiral mixing or grinding.

Recommended Dosage :  0.05-0.1% (1h-setting time for reference) The setting time will be prolonged by dosage increasing. As effect will be different by different gypsum, it should test before large production.

Specification 

Product NameHigh Efficiency Gypsum Retarder
AppearanceWhite powder
Water content(powder) %Less 2
Ph value (20℃, 20% solution)10-11
Dosage Recommendation(%)Powder :0.05-0.1% (1h- setting time for reference)


Package

Powder : 25kg / plastic sealed bag ; Shelf life : 12 months

Application

Super performance for desulphurization gypsum, wall plaster, plaster adhesives, plaster precast, gypsum filler, gypsum mode, and gypsum decorating coating.


PTMA TECH is a provider of construction admixture for mortar, coatings & paints and concrete, which has three plants with R&D……
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