SILRERIOS™ HP-70E Silane-Based Powder Water Repellent for High-Performance Cementitious Systems

SILRERIOS™ HP-70E is a high-efficiency silane-based powder water repellent designed for both dry-mix and liquid systems. It provides excellent hydrophobicity even at very low dosages and maintains full performance in alkaline cementitious environments.

Produced using redispersible technology, HP-70E offers outstanding mixability, solvent-free formulation, and strong water repellency without affecting vapor permeability.

 

Key Benefits:

Strong water-repellent effect at low dosage

Maintains vapor permeability (breathable hydrophobicity)

Excellent mixability in dry-mix systems

High efficiency under alkaline conditions

Compatible with cement, fillers, pigments, and liquid systems

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Product Advantages

  • Significantly reduces water absorption and capillary uptake
  • Produces a clear “drop effect” on treated surfaces
  • Low soiling tendency for cleaner, longer-lasting finishes
  • Enhances durability and long-term service life of mortars
  • Suitable for both dry-mix powders and liquid formulations

Technical Specification

Composition           Silane-based additive
AppearanceFree-flowing white powder
Bulk Density200 – 500 g/l
Moisture< 2.0%
pH-Value7.5 – 9.5 (as 10% solution in water)

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Product Applications

SILRERIOS™ HP-70E is suitable for a wide range of waterproofing and cementitious systems, including::

Dosage Guideline:

0.1%–0.3% of total dry mix (by weight) Optimizes water repellency and long-term durability

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 bags with PE inner liner. Or on clients’ requirement.
  • Custom 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, and ventilated area below 25 °C.
  • Keep sealed to avoid caking (material is hygroscopic)
  • Blends with cement, fillers and pigments show improved storage stability
  • Shelf Life: 12 months from date of delivery under proper storage conditions

Safety & Compliance

SILRERIOS™ HP-70E Water Repellent 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.

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.

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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

Can I request a free sample?

Yes, 200–500 g samples are available with full TDS/SDS support.

 Is HP-70E effective in alkaline cement systems?

Absolutely—HP-70E performs fully in high-alkaline environments.

What is the recommended dosage?

0.1%–0.3% depending on waterproofing performance requirements.

Will HP-70E affect vapor permeability?

No—it provides hydrophobicity while maintaining breathability.

Is it suitable for liquid and powder systems?

Yes, HP-70E is effective in both dry-mix and liquid formulations.

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