Product Advantages
- Enhances fluidity while maintaining system stability
- Reduces water demand, improving strength development
- Suitable for gypsum-based mortars requiring smooth flow
- Minimizes bleeding and segregation when properly dosed
- Good compatibility with fillers and other auxiliary additives

Technical Specification
| Appearance | White to light brown powder with good fluidity |
| Water content(%) | Max 5.0 |
| pH value | 7.0 – 9.0 |
| Bulk density(G/L) | 400 – 700 |
| Average particle size (60 pass%) | Min 90.0 |
| Water reducing ratio in concrete test(%) | Min 25.0 |
Technology department’s suggestion: comply with the standard of GB8076-2008 first class.
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Product Applications
DEMACSA® P-308G is ideal for gypsum-based systems such as:
Gypsum-based mortars
Gypsum self-leveling compounds
Plaster gypsum
Other gypsum-based building materials

Dosage Guideline:
General dosage: 0.05%–0.5% of cementitious material
Higher dosage requires compatibility testing
Recommended to perform adaptability tests for optimal performance
Need custom formulations or comparative testing?
Contact BOTAI’s technical team for customized formulation support and performance consultation.
Contact Botai R&D Team
Packaging & Delivery

- Standard packaging: 25 kg paper bags with PE inner liner
- OEM packaging available upon request
- Minimum Order Quantity (MOQ): 3 metric tons.
- Lead Time: 7 – 15 days after order confirmation
- Trade Terms: FOB / CIF / DDP under Incoterms® 2020

Storage and Shelf life
- Store in a cool, dry place below 25 °C;
- Avoid humidity—product may absorb moisture if not properly stored
- Shelf Life: 12 months from date of delivery under proper conditions.
Safety & Compliance
DEMACSA® P-308G is safe, non-toxic, and environmentally friendly.
It complies with ISO 9001 and EU REACH requirements.
Refer to the MSDS for detailed handling and safety information.
Email:
[email protected]About Henan Botai Chemical Building Materials Co., Ltd.




Established in 2004, Botai Chemical is a certified manufacturer specializing in Redispersible Polymer Powder, Cellulose Ethers (HPMC/HEMC/HEC), Calcium Formate, and Superplasticizers (SMF/PCE). Our products are widely used in dry-mix mortars, paints, oil drilling, feed, and detergent applications.
As a member of China’s Building Materials and Ceramic Industry Associations, Botai is actively involved in R&D and innovation for tile adhesive and repair materials. We operate two advanced R&D centers and hold over 25 patents and 20 registered trademarks.
With ISO 9001, EU REACH, HALAL, and FAMI-QS certifications, Botai ensures consistent quality and sustainable manufacturing. Our annual capacity exceeds 100,000 tons across VINNATE®, VAMCELL®, BOMCELL®, THYLOCELL®, FORCA®, and DEMACSA® product lines.
Our Certificate

Customer Case

Why Choose Us?
Factory established in 2004, backed by 20+ years of manufacturing expertise and over 60,000 m² of modern production facilities
Trusted by customers in 100+ countries and regions, with stable export supply and responsive service
One of China’s leading manufacturers of construction chemical additives, with a total annual capacity exceeding 100,000 tons
Two advanced R&D centers with full in-house laboratories and patented formulation capabilities
Certified quality and production systems: ISO 9001, EU REACH, HALAL, FAMI-QS
25+ patented technologies and 20+ registered trademarks, including VINNATE®, VAMCELL®, BOMCELL®, THYLOCELL® and more
Dedicated QC management and global technical support teams ensuring fast response and reliable service
Strong supply stability with long-term raw material partnerships and automated production lines, ensuring consistent quality and on-time delivery
FAQ
Typical dosage is 0.05%–0.5% depending on the formulation.
Yes—P-308G performs exceptionally well in gypsum-based products.
No, when used correctly. Higher dosages require compatibility testing.
Yes—the product is green, clean, and safe for production environments.
Yes—enhances fluidity, flowability, and reduces water demand effectively.