Hydroxy Silicone Fluid BL-207 | Silanol Terminated Polydimethylsiloxane
Core Keywords: Hydroxy Silicone Fluid BL-207, Silanol Terminated Polydimethylsiloxane, Silicone OH Polymer, RTV Silicone Rubber Raw Material, Low Volatility Hydroxy Silicone Fluid, CAS 70131-67-8 Hydroxy Silicone Fluid, Multi-Viscosity Hydroxy Silicone Oil
Synonyms: Silanol Terminated Dimethyl Silicone Fluid, Hydroxyl Silicone Fluid, Silanol Fluid, OH Polymer, α, ω-Dihydroxy Polydimethylsiloxane, PDMS Hydroxy Fluid
Basic Information of Hydroxy Silicone Fluid BL-207
Chemical Name: Silanol Terminated Polydimethylsiloxane
Molecular Formula: HO[-Si(CH₃)₂O-]ₙH
Chemical Structure: Hydroxy Silicone Fluid.jpg
Hydroxy Silicone Fluid BL-207 is a high-purity, colorless and clear liquid. It retains most of the excellent properties of dimethyl silicone fluid, while featuring unique hydroxy reaction activity that makes it a versatile intermediate for various silicone-based formulations[1][3]. This reactivity and stability make it a preferred choice for industrial applications requiring reliable performance and processability. As a premium silicone OH polymer (CAS 70131-67-8), BL-207 offers consistent quality across all viscosity grades, meeting the diverse needs of different industrial sectors[4].
Technical Index of Hydroxy Silicone Fluid BL-207
Item | Standard | BL-207-2000 | BL-207-5000 | BL-207-20000 | BL-207-50000 | BL-207-80000 |
|---|---|---|---|---|---|---|
Viscosity (25℃), cst | Controlled within tolerance | 2000±100 | 5000±250 | 20000±1000 | 50000±2500 | 80000±4000 |
Volatile (150℃, 2h), % | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 |
Appearance | Colorless and transparent liquid | Colorless and transparent liquid | ||||
Key Characteristics of Hydroxy Silicone Fluid BL-207
- High Purity & Stable Performance: Presented as a colorless and transparent liquid with high purity, ensuring no impurities that could affect product quality in downstream applications.
- Hydroxy Reaction Activity: Possesses unique hydroxy (-OH) reactivity, serving as a key intermediate for formulating RTV silicone rubbers, adhesives, and sealants[3][5].
- Low Volatility: Volatility ≤1.00% at 150℃ for 2 hours, reducing fluid loss during processing and ensuring consistent performance over long-term use.
- Multi-Viscosity Options: Available in 5 viscosity grades (2000, 5000, 20000, 50000, 80000 cst) to match the specific requirements of different industrial applications[1][5].
- Excellent Compatibility: Compatible with a wide range of inorganic fillers, catalysts, and silicone resins, facilitating easy integration into existing production processes[3].
Applications of Hydroxy Silicone Fluid BL-207
Hydroxy Silicone Fluid BL-207 is a versatile silicone OH polymer, widely used in RTV silicone rubber, electronics, automotive, textile, construction, and mold manufacturing industries. Its unique hydroxy reactivity and stable performance make it suitable for various demanding applications, serving as a core raw material for high-quality end products[3][4].
RTV Silicone Rubber & Molding Applications
- Main raw material for RTV silicone rubber and mold defoaming agents, suitable for glass silicone rubber formulations. Note: It does not have good electrical insulation, so it is not recommended for high-insulation scenarios in radio, electronic instruments, semiconductors, etc.
- Excellent demolding ability, particularly suitable for manufacturing tooling and stamping materials, improving production efficiency and product surface quality.
Electronics Industry
- Used as moisture-proof, shock-proof, and heat-resistant potting material for electronic parts and assemblies, protecting sensitive components and extending their service life[3].
Automotive & Mechanical Industry
- Raw material for rubber rollers in the automotive and mechanical industries, ensuring excellent wear resistance and stability under harsh working conditions.
Textile & Printing Industry
- Raw material for rubber rollers in the textile and plastic printing industries, enhancing the smoothness and durability of rollers, and improving production efficiency[4].
Construction Industry
- Used as caulking and sealing material in the construction industry, leveraging its good adhesion and weather resistance to ensure long-term sealing performance[3][4].
Package of Hydroxy Silicone Fluid BL-207
To meet different industrial usage needs (small-scale, large-scale, and customized), Hydroxy Silicone Fluid BL-207 is available in the following packaging options, ensuring safe storage and transportation[3][4]:
- 200kg steel drums
- 950kg IBC drums
- Customized packaging on request
Storage & Transportation of Hydroxy Silicone Fluid BL-207
Proper storage and transportation are crucial to maintaining the performance of Hydroxy Silicone Fluid BL-207. Please follow the guidelines below:
- Transport as non-hazardous chemicals, complying with relevant transportation regulations.
- Store only in the original container to avoid contamination and performance degradation.
- Keep the container tightly closed and store in a cool, well-ventilated place, away from direct sunlight and high temperatures.
- When stored in accordance with the recommended conditions, the original characteristics of BL-207 will remain intact for 1 year[1].
Hydroxy Silicone Fluid BL-207 (CAS 70131-67-8) is a high-performance silanol terminated polydimethylsiloxane, offering unique hydroxy reactivity and stable performance across multiple viscosity grades. It is widely used in various industrial fields as a core raw material, providing reliable support for the production of high-quality silicone-based products. Its low volatility and excellent compatibility make it a cost-effective choice for businesses seeking high-quality hydroxy silicone fluid solutions[3][4][5].
