Product Advantages
- Modified fusion process — produced via an optimized fusion route for stable quality and reliable performance.
- Premium stearic acid raw material — made with high-quality stearic acid for consistent lubricity and water repellency.
- Non-toxic & cleaner profile — virtually free from sulfur, halogens, and heavy metals, suitable for applications with stricter compliance requirements.
- Appearance-friendly formulation — minimal initial discoloration for better aesthetics in light-colored systems.
- Balanced performance — combines lubrication, repellency, clarity, and stabilizing effect in one additive.
Technical Specification
| Item | Index |
| Appearance | White Powder |
| Zinc Content (%) | 10.3-11.3 |
| Free Fatty Acid (%) | ≤0.8 |
| Moisture (%) | ≤1.0 |
| Fineness (mesh) | 325mesh (99% passed) |
| Bulk Density (g/L) | 200~310g/l |
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Product Applications
Zinc Stearate product is used in paints and coatings as a flatting agent and sanding agent. In plastics such as PE, PP, and PS, it functions as a lubricant. In rubber processing, it is used as a mould release agent. It can also be used in building materials and paper as a waterproofing agent.
Paint & Coating: as flatting agent and sanding agent
Plastics: as lubricant in PE, PP, PS etc.
Rubber: as mould release agent
Building: as water proofing agent And pap
Dosage Guideline:
For best results, the recommended dosage should be optimized based on your raw materials and target 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: BT-826 is available in 20 kg paper bags
- OEM or neutral packaging available upon request
- Minimum Order Quantity (MOQ): 3 metric tons.
- Typical lead time: 7–15 days after order confirmation
- Trade terms: FOB / CIF / DDP under Incoterms® 2020
Storage and Shelf life
- Store in a dry and cool place.
- At least 12 months
- For storage period over shelf life, quality confirmation tests should be taken before use
Safety & Compliance
BT-829 Zinc Stearate is safe, non-toxic, and environmentally friendly. It complies with ISO 9001 and EU REACH standards.
For detailed handling and safety information, refer to the MSDS.
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
Yes, we offer 200–500 g samples for testing with TDS/SDS.
Yes, we customize grades based on adhesion strength, open time, and workability requirements.
Pre-production sample testing is always conducted before mass production to ensure consistency and compliance.
Final inspection before shipment is strictly implemented to verify product quality, packaging, and labeling accuracy.
All production processes are managed under ISO 9001 quality management system to maintain stable quality performance.
BT-829 Zinc Stearate is commonly used as a lubricant and water-repellent additive in industrial formulations where smooth processing, improved slip, and moisture resistance are needed. It can also contribute to weathering stability.
BT-829 is produced via a modified fusion process using high-quality stearic acid, designed to deliver excellent lubricity, strong water repellency, good clarity, and little initial color formation.
BT-829 shows little initial color formation and offers good clarity, which helps maintain a clean appearance—especially important for light-colored or transparent systems. Always confirm with a trial in your specific formulation.
