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YB-8850 is a new type of protein-based high-efficiency gypsum retarder. It provides a superior retarding effect with a significantly smaller dosage, allowing customers to adjust the setting time of gypsum products freely according to various needs.
This agent ensures that gypsum and plaster products maintain high strength with minimal loss after hardening. As a white powder with excellent fluidity, it disperses easily into gypsum via spiral mixing or grinding.
| Item | Specification |
|---|---|
| Appearance | White powder |
| Water Content (%) | < 3% |
| pH Value (20ºC, 20% Liquid) | 10 - 11 |
| Dosage Recommendation (%) | 0.05% ~ 0.1% (Based on binder weight for ~1h setting time) |



Packaging: 25kg kraft bags with inner PE film or HDPE bags.
Loading Capacity: 12 Tons with pallets / 14 Tons without pallets per 20GP container.
Storage: Store in dry, cool conditions below 30°C. Protect against humidity and pressure. Shelf life is 12 months under proper conditions.



Our facility operates under the ISO9001-2000 international quality system. We maintain a strict inspection system to ensure every batch meets national standards. Products are also tested by independent institutions like SGS to ensure customer satisfaction and consistent performance.





Shengchuang Building