Methyl Hydrogen Silicone Oil 15cst (PMHS) CAS 63148-57-2 is low-viscosity polymethylhydrosiloxane with 0.18% active hydrogen content.
It can form uniform hydrophobic film after treatment on fiber surface, delivering durable waterproof effect while maintaining soft fabric handfeel. It is widely adopted as water repellent finishing agent for cotton, polyester and blended textiles.

Product Detail

Methyl Hydrogen Silicone Oil 15cst CAS 63148-57-2

Product Detail Page（Adapted for Alibaba International & Official Website）

Product Overview

Methyl Hydrogen Silicone Oil 15cst, also known as polymethylhydrosiloxane (PMHS), CAS 63148-57-2, is low viscosity silicone fluid with 0.18% active hydrogen content.

It can crosslink and form a continuous hydrophobic film on fiber surfaces under appropriate conditions. The film brings stable water repellency without hardening textiles. This product is specially developed as waterproof finishing agent for various textile materials.

Product Properties

Transparent colorless oily liquid

Kinematic viscosity: 15 mm²/s (25℃)

Active hydrogen content: 0.18%

Good dilution compatibility with hydrocarbon solvents

Low volatility

Excellent spreadability on fabric surface

Stable storage performance under sealed condition

Core Advantages

Low viscosity, easy to dilute and evenly coat fabrics
Forms thin hydrophobic coating, maintains soft hand feel of textiles
Durable waterproof effect after curing, good washing resistance
Less impact on fabric air permeability
Stable quality, convenient for textile continuous finishing process
Suitable for matching different emulsifier systems to prepare water-based finishing agent

Main Applications

15cst Methyl Hydrogen Silicone Oil serves as 0.18% Hydrogen Content Waterproof Agent for Textile.

Typical applications: waterproof finishing for cotton, polyester, blended fabric, non-woven fabric; water repellent treatment for garment textiles, home textiles, outdoor fabrics.

Usage Guidance

Can be used after solvent dilution or emulsified into aqueous emulsion.

Catalysts can be added to promote crosslinking film formation as required.

Avoid contact with strong alkali, moisture and alcohols for long-term storage.

Keep container tightly sealed after use.

Packing & Storage

Standard package: 200kg iron drum; test samples are available.

Store in cool, dry and ventilated warehouse. Keep away from strong oxidants, open flame and high temperature. Prevent sunlight exposure and water contamination during transportation.

Our Service

We supply bulk Methyl Hydrogen Silicone Oil 15cst with stable specifications. Free test samples can be offered for formulation verification. Our technical team provides professional support for textile waterproof finishing formula.

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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.