Product Advantages
- High Water Reduction: Reduces water demand by over 25 %, improving compressive and flexural strength.
- Excellent Fluidity: Provides smooth, pumpable mortars with stable rheology.
- Low Loss Over Time: Maintains slump and consistency for longer mixing periods.
- Versatile Compatibility: Performs well with OPC, slag, fly ash, and gypsum systems.
- Reduced Air Entrapment: Minimizes foam formation and surface defects in finished layers.
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 |
| Cl – Content(%) | Max 0.05 |
| Air content of concrete test(%) | Max 6.0 |
| 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-121 is widely used in the production of cementitious and gypsum-based materials requiring high fluidity and strength:
High strength mortar
Special mortar with high strength and high fluidity
Gypsum products
Self-leveling floor
Joint filler
Grouts
Dosage Guideline:
Recommended Dosage: 0.1 – 0.5 % by weight of total binder (depending on desired workability and strength).
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 net paper bags with PE inner liner. Or on clients’ requirement
- Custom Packaging: OEM / private label options available
- 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 direct sunlight and moisture.
- Keep sealed after use to prevent humidity absorption.
- Shelf Life: 12 months from date of delivery under proper conditions.
Safety & Compliance
DEMACSA® P-121 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
It’s used in high-strength mortar, self-leveling floors, grouts, and gypsum products to achieve excellent flowability and strength.
Typically ≥ 25 %, meeting GB8076-2008 Class I standards.
Pre-mix with other dry materials or add directly to the mixing water for uniform dispersion.
Ordinary Portland cement, slag cement, gypsum, fly ash, and composite binders.
12 months under dry, sealed, and cool storage conditions.
