Hydroxy Terminated Polydimethylsiloxane (CAS 70131-67-8): Your Premier Silicone Oil Solution
Discover the versatility and performance of Hydroxy Terminated Polydimethylsiloxane. As a leading manufacturer and supplier in China, we offer high-purity CAS 70131-67-8 for diverse industrial applications. Explore the benefits and inquire about bulk pricing.
Get a Quote & SampleUnlocking Advanced Material Properties with Hydroxyl Silicone Oil

Hydroxy Terminated Polydimethylsiloxane
As a trusted supplier in China, we provide Hydroxy Terminated Polydimethylsiloxane (CAS 70131-67-8), also known as OH Polymer or Hydroxyl Silicone Oil. This functional silicone fluid is essential for applications demanding excellent electrical insulation, superior resistance to high and low temperatures, and robust chemical inertness. Our commitment as a reliable manufacturer ensures consistent quality for your production needs.
- High Purity OH Polymer: Sourced directly from our manufacturing facilities for guaranteed quality and performance.
- Versatile Applications: Essential for industries like electronics, textiles, construction, and automotive manufacturing.
- Chemical Auxiliary Agent: Ideal as a key component in formulations for RTV silicone rubber, sealants, and coatings.
- Global Supply: We are a dedicated manufacturer and supplier, ready to fulfill your purchase orders with competitive pricing.
Key Advantages of Our Hydroxyl Silicone Oil
Exceptional Thermal Stability
Our Hydroxy Terminated Polydimethylsiloxane maintains its integrity across a wide temperature range, from -50°C to +250°C, making it suitable for demanding industrial environments. Explore how this reliable performance can enhance your product's lifespan.
Superior Electrical Insulation
The inherent dielectric properties of this OH Polymer make it an excellent choice for electronic components and electrical insulation applications. Trust our product to meet your stringent performance requirements.
Enhanced Formulation Reactivity
The terminal hydroxyl groups provide crucial reactivity, allowing this silicone oil to be a primary raw material for RTV silicone rubber and other cross-linkable silicone products. Optimize your formulations by choosing a quality manufacturer.
Diverse Industrial Applications
Textile and Leather Finishing
Utilize our hydroxyl silicone oil as a finishing agent to impart smoothness, elasticity, and a soft feel to textiles and leather goods. Discover how to buy this essential textile auxiliary.
Construction and Sealants
This OH Polymer is a key ingredient in high-performance sealants and caulking materials for the construction industry. Contact us for pricing and availability to buy for your projects.
Electronics and Electrical Components
Its insulating properties make it ideal for encapsulation, potting, and coating in electronic devices. Find a dependable supplier for your electronic chemicals needs.
Rubber and Plastic Processing
Serve as an auxiliary agent in rubber and plastic manufacturing, improving processing characteristics and final product performance. Learn more about purchasing options from our factory.