Product Advantages
- Outstanding Water Repellency: Creates a durable, silane-based hydrophobic film inside the cement matrix.
- Reduced Water Absorption: Performance improves linearly with dosage, ensuring long-term protection.
- Excellent Workability: Rapidly wets during mixing, forming homogeneous blends without foaming or delay.
- No Strength Loss: Does not affect surface hardness, compressive strength, or bonding strength.
- Eco-Safe & Easy to Use: Low VOC content, non-toxic, and suitable for modern green-building formulations.
Technical Specification
| Composition | Silane-based additive |
| Appearance | Free-flowing white powder |
| Bulk Density | 200 – 500 g/l |
| Moisture | < 2.0% |
| pH-Value | 7.5 – 9.5 (as 10% solution in water) |
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Product Applications
SILRERIOS® HP-55 Water Repellent is suitable for various cementitious and mineral-based waterproofing systems, including:
Impermeable cement based mortar system.
Waterproof mortar,sealing mortar,decorative mortar.
Putty, joint fillers, plastering mortar, binder, etc.
Plaster base products.
Dosage Guideline:
Typically 0.3 – 1.0 % by total dry mix weight, depending on required water-repellent 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: 20 kg paper sacks with polyethylene liners. Or on clients’ requirement.
- Custom 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, and ventilated area below 25 °C.
- Keep bags tightly closed; protect from moisture to avoid caking.
- Blends with cement or fillers exhibit better stability but must still be kept dry.
- Shelf Life: 12 months from date of delivery under proper storage conditions
Safety & Compliance
SILRERIOS® HP-55 Water Repellent is safe, non-toxic, and eco-friendly.
It complies with ISO 9001 and EU REACH standards.
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 as a silane-based hydrophobic powder for waterproof mortars, coatings, and plasters.
No-it maintains bonding and compressive strength while improving water resistance.
Mix directly with dry materials during blending; no pre-dissolution is required.
Yes — it performs well with RDP, HPMC, HEMC, and Calcium Formate.
12 months under cool, dry, and sealed conditions below 25 °C.
