Hydroxy Silicone Oil 50000cst CAS 70131-67-8 Ultra High Viscosity Base for Electronic Potting Gel
Hydroxy Silicone Oil 50000cst CAS 70131-67-8 is ultra-high viscosity hydroxyl-terminated polydimethylsiloxane, also known as 107 silicone rubber.
It owns reactive terminal hydroxyl groups and can undergo polycondensation crosslinking reaction with silane crosslinkers under catalyst. The cured silicone gel features low modulus, outstanding electrical insulation and good stress buffering capacity. It works as the core base polymer for flexible electronic potting and encapsulation materials.
Hydroxy Silicone Oil 50000cst CAS 70131-67-8
Product Detail Page（Suitable for Alibaba International & Official Website）
Product Overview
Hydroxy Silicone Oil 50000cst CAS 70131-67-8 is ultra-high viscosity hydroxyl-terminated polydimethylsiloxane, generally named 107 silicone rubber.This product has active terminal hydroxyl groups, which can perform polycondensation crosslinking reaction with various silane crosslinkers under the action of catalyst. After curing, the silicone material exhibits low modulus, excellent electrical insulation and reliable stress relief performance. It is specially developed as core base polymer for flexible electronic potting and encapsulation silicone gel.
Product Properties
Clear, colorless ultra-high viscosity paste liquidKinematic viscosity: 50000 mm²/s (25℃)Stable hydroxyl valueNarrow molecular weight distributionGood compatibility with fillers and different silane crosslinkersLow volatile contentExcellent rheological controllabilityStable performance under sealed storage
Core Advantages
- Ultra-high viscosity matrix, endows finished potting gel with excellent anti-flow sagging property
- Strong filler bearing capacity, convenient for preparing low-hardness soft encapsulation materials
- Mild crosslinking reaction, low internal stress after curing to protect precision electronic parts
- Superior insulation, moisture-proof and shock-absorbing performance
- Good high and low temperature resistance, stable performance under long-term alternating temperature environment
- Adaptable to multiple condensation curing systems for diverse electronic protection formulations
Main Applications
50000cst Hydroxy Silicone Oil acts as Ultra High Viscosity Base for Electronic Potting Gel.Typical applications: base polymer for soft electronic potting silicone gel, circuit board encapsulation material, power module protective gel, sensor sealing silicone, automotive electronic component potting compound.
Usage Guidance
Avoid contact with moisture during production and storage to prevent premature crosslinking.Carry out small-batch formulation tests to confirm the optimal proportion of crosslinker and catalyst.Maintain low humidity condition in production workshop.Forbid mixing with acidic, alkaline substances and moisture-containing impurities.Seal the container tightly after each use.
Packing & Storage
Standard package: 200kg iron drum; small test samples are available.Store in cool, dry and ventilated warehouse. Keep container tightly sealed. Keep away from open flame, high temperature, strong acid and strong alkali. Prevent water and impurity contamination during transportation.
Our Service
We provide stable bulk supply of 50000cst Hydroxy Silicone Oil with consistent viscosity and stable hydroxyl value. Laboratory test samples can be supplied for formula research. Our technical team provides professional technical support for electronic potting silicone production.
Copy product links
Long by picture save/share
Add Successfully
Add Successfully
Jishengya Technology
Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.
点击右上角
分享给朋友吧
Copyright © 2005-2026 Shenzhen Jishengya Technology Co., Ltd. All Rights Reserved.
