Hydroxy Silicone Oil Supplier/Manufacturer in China

LANCHEMIE Hydroxy Silicone Oil features high reactive hydroxyl groups, excellent compatibility, and stable structure. It offers good water resistance, softness, and film-forming ability, widely used as a crosslinking agent, structure control agent, and surface modifier. Ideal for silicone rubber, coatings, textiles, and personal care. It improves mechanical properties, weatherability, and processing performance. With low volatile content, consistent viscosity, and reliable quality, it supports stable production. Backed by strong supply and strict quality control, LANCHEMIE is your trusted partner for high-performance formulations.

High-Performance Hydroxy Silicone Oil Series

Product Code	Desription	CAS NO
Silanol Fluid LC-106	LC-106 is a viscosity 50–120 cSt range hydroxy-terminated polydimethylsiloxane linear silicone oil.	70131-67-8
Hydroxy Silicone Oil LC-205	LC-205 is a hydroxyl terminated polydimethylsiloxane with low hydroxyl content.	70131-67-8
Hydroxy Silicone Oil LC-206	LC-206 is a hydroxyl terminated polydimethylsiloxane with moderate hydroxyl content.	70131-67-8
Hydroxy Silicone Oil LC-207	LC-207 is a hydroxyl terminated polydimethylsiloxane with high hydroxyl content.	70131-67-8
Silanol Terminated Vinyl Silicone Oil LC-208	LC-208 is a silanol terminated vinylmethylsiloxane-dimethylsiloxane copolymers.	67923-19-7

Products

Application of Hydroxy Silicone Oil in Silicone Rubber

LANCHEMIE Hydroxy Silicone Oil is widely used as an essential structure controller and processing aid in HTV and RTV silicone rubber. It effectively controls the crosslinking density, improves processing fluidity, and prevents crepe hardening during mixing. It enhances mechanical properties including tensile strength, elongation, and tear resistance, while ensuring good mold release and surface smoothness. It also improves compatibility with fillers and reinforces weathering and aging resistance. Stable and low-volatile, it is ideal for high-performance molded and extruded silicone rubber products.

Detailed Production Process of Hydroxy Silicone Oil

LANCHEMIE Hydroxy Silicone Oil is manufactured through controlled hydrolysis of dimethyldichlorosilane under mild acidic conditions, forming low-molecular-weight silanol intermediates. This is followed by catalytic condensation polymerization with precise temperature and pressure control to regulate molecular weight and hydroxyl content. The crude product undergoes neutralization, water washing to remove salts, and vacuum devolatilization to eliminate volatile components and residual monomers. Finally, fine filtration ensures low impurity levels, stable viscosity, and high reactivity, delivering consistent quality ideal for silicone rubber and coating applications.

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Hydroxy Silicone Oil - Industrial Grade Silicone Fluids

High-Performance Hydroxy Silicone Oil Series

Application of Hydroxy Silicone Oil in Silicone Rubber

Detailed Production Process of Hydroxy Silicone Oil