HPS (Hexaphenylsilanol)
Detailed Product Information

HPS (Hexaphenylsilanol)
HPS is a hydrophobic additive used in gypsum and cementitious systems, improving water resistance and surface wearability.
Formula: C₃₆H₃₀O₆Si
CAS: 75750-54-4
Min. Order: 100KG
Molecular Weight: 478.70
Melting Point: 200–205°C
Appearance: White crystalline powder.
Application: Gypsum Plasters: Enhances water repellency and reduces efflorescence.
Wall Putties: Improves surface uniformity and crack resistance.
Packaging: 20kg or 25kg plastic or paper bags.
Storage: Avoid moisture and direct sunlight.
Transportation: Handle carefully to avoid caking.
Summary: HPS provides excellent hydrophobic performance, extending durability of dry‑mix products.
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