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Specially modified phenylmethyl silicone oil is a series of functional siloxane products developed for polymer crosslinking and resin modification scenarios. Manufactured by Change Silicone Materials, the product line includes two standard grades: hydrogen-containing phenylmethyl silicone oil and epoxy-modified phenylmethyl silicone oil, each designed for targeted industrial applications. Phenylmethyl siloxane base structures bring inherent thermal stability and characteristic refractive index properties, while functional group modifications add reactive capabilities for specific polymer systems. The product line caters to formulation and production needs for advanced polymer materials.
Product Name | Model No. | Appearance | Hydrogen Content (%) | Viscosity (25℃, cs) | Relative Density (25℃) | Flash Point (℃) | Refractive index（25℃） | Product Features and Applications |
Hydrogen-containing phenylmethyl silicone oil | 9-220-10 | Colorless transparent liquid | 0.2-0.6 | 2-10 | 0.99-1.00 | ≥110 | 1.50-1.51 | Hydrogen-terminated siloxane. Can be used as a crosslinking agent for addition-cure silicone rubber, phenyl silicone rubber, and phenyl silicone resins. |
Product Name | Model No. | Appearance | EEW g/equ | Viscosity (25℃, cs) | Refractive index（25℃） | Product Features and Applications | ||
Epoxy-modified phenylmethyl silicone oil | 9-230-50 | Colorless transparent liquid | 260-340 | 30-50 | 1.50-1.51 | It can enhance the cohesive energy and high/low-temperature resistance of resins. Functions as a component for epoxy resins or a reactive modifier for polyurethanes (PU) and polycarbonates (PC). | ||
This grade is a hydrogen-terminated phenylmethyl siloxane, with active Si-H groups located at both ends of the molecular chain. The terminal hydrogen groups participate in hydrosilylation reactions during addition-cure processes, acting as a crosslinking component to form three-dimensional polymer networks. The low viscosity of this grade supports uniform dispersion in phenyl silicone rubber and phenyl silicone resin systems, contributing to consistent curing results across batch production. The phenyl content in the backbone matches the refractive index of phenyl-based polymer systems, reducing impact on optical properties of final materials.
This grade carries epoxy functional groups along the phenylmethyl siloxane backbone, enabling reactive compatibility with epoxy, polyurethane and polycarbonate systems. When incorporated into resin formulations, the siloxane segment contributes to improved temperature resistance and flexibility, while the epoxy groups support bonding with base resin structures. The product can be used as a reactive modifier to adjust resin properties without causing phase separation in properly formulated systems. The phenyl groups in the structure support compatibility with aromatic polymer systems.
The hydrogen-containing phenylmethyl silicone oil is primarily used as a crosslinking agent for addition-cure phenyl silicone rubber and phenyl silicone resin production. It supports the curing process of high-temperature resistant silicone components, optical grade silicone materials and electronic encapsulation materials, and contributes to the final mechanical and thermal properties of cured products. It is also suitable for formulation of phenyl-based silicone potting compounds and coating materials used in electronic and industrial sectors.
The epoxy-modified grade is applied in epoxy resin, polyurethane and polycarbonate modification processes. It is used to adjust the cohesive energy and temperature resistance range of base resins, supporting improved performance under fluctuating temperature conditions. This grade is suitable for production of industrial coatings, composite materials and engineering plastic components that require balanced toughness and thermal stability. It also supports improved impact resistance for cured resin parts under low-temperature conditions.
Specially modified phenylmethyl silicone oil is available in standard packaging options including 25KG plastic drums, 200KG plastic drums, 200KG plastic-coated iron drums and 1000L IBC containers. When stored in original, sealed packaging at temperatures below 30°C, the product has a shelf life of 24 months from the date of production. The product is classified as non-dangerous cargo, and is transported according to standard ordinary cargo conditions. It is recommended to store the product away from direct sunlight and moisture to maintain consistent reactive properties.
Both standard grades of modified phenylmethyl silicone oil appear as colorless transparent liquid at room temperature.
Adjustments to core parameters may be available for eligible bulk orders, subject to technical feasibility verification by the production and research team.
The product should be stored in original sealed packaging at temperatures below 30°C, away from direct sunlight and moisture, to achieve the full 24-month shelf life.
Compatibility testing is recommended for specific resin formulations, as performance may vary based on base resin composition and curing conditions.
Industrial bulk orders support 200KG plastic-coated iron drums and 1000L IBC containers, with custom packaging options available upon request for large-volume orders.
For formulation compatibility guidance and quotation details, clients may submit their specific application parameters and volume requirements.
