Hydroxy Silicone Oil 50cst CAS 70131-67-8 Low Viscosity OH Terminated PDMS for Silicone Resin
Hydroxy Silicone Oil 50cst CAS 70131-67-8 is low viscosity hydroxyl-terminated polydimethylsiloxane (OH-terminated PDMS).
It has high hydroxyl content, excellent chemical reactivity and narrow molecular weight distribution. It can carry out polycondensation reaction with silane monomers under proper catalytic conditions. It serves as a critical reactive raw material for the synthesis of methyl silicone resin, methyl phenyl silicone resin and other modified silicone resins.
Hydroxy Silicone Oil 50cst CAS 70131-67-8
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Product Overview
Hydroxy Silicone Oil 50cst CAS 70131-67-8 is low viscosity hydroxyl-terminated polydimethylsiloxane (OH-terminated PDMS).This product features high hydroxyl group content, stable reactivity and narrow molecular weight distribution. It can conduct polycondensation reaction with various silane monomers under suitable catalyst environment. It is an essential reactive silicone raw material specially developed for the synthesis of silicone resin.
Product Properties
Clear, colorless transparent liquidKinematic viscosity: 50 mm²/s (25℃)High and stable hydroxyl contentNarrow molecular weight distributionGood compatibility with silane monomers and solventsUniform reaction activityLow volatile matterStable quality during long-term storage under sealed condition
Core Advantages
- Consistent hydroxyl value, guarantee stable polycondensation reaction
- Low viscosity, easy stirring and homogeneous mixing in resin synthesis system
- Narrow molecular weight distribution, help control molecular weight of finished silicone resin
- Excellent reactivity with alkoxysilanes and silanol substances
- Low impurity content, reduce side reactions during resin polymerization
- Wide compatibility with methyl, methylphenyl silicone formulation systems
Main Applications
50cst Hydroxy Silicone Oil acts as Low Viscosity OH Terminated PDMS for Silicone Resin.Typical applications: raw material for methyl silicone resin synthesis, feedstock of methyl phenyl silicone resin, modified silicone resin production, intermediate for high temperature resistant coating resin, binder resin raw material for silicone composite materials.
Usage Guidance
Strictly avoid contact with water during storage and production to prevent premature condensation.Carry out small batch reaction test before formal resin polymerization production.Select matched acid or alkaline catalyst according to synthesis process requirements.Prevent mixing with impurities containing active hydrogen.Keep sealed to avoid absorbing moisture from air.
Packing & Storage
Standard package: 25kg plastic drum; small test samples are available.Store in cool, dry and ventilated warehouse. Keep container tightly sealed. Keep away from open flame, high temperature and strong acids, strong bases. Prevent water and foreign impurities contamination during transportation.
Our Service
We provide stable bulk supply of 50cst Hydroxy Silicone Oil with stable hydroxyl value and precise viscosity control. Laboratory test samples can be offered for formula research. Our technical team provides professional support for silicone resin polymerization process.
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