East Materials
MESIL®

MESIL 202 — Methyl Hydrogen Silicone Fluid

MESIL 202 series is a methylhydrogen silicone fluid in which some of the methyl radicals of dimethyl silicone fluid are replaced by hydrogen, with Si-H (hydrogen) content 1.50–1.60% and viscosity 15–40 mm²/s.

CAS
63148-57-2
Category
silicone-oils
Updated
2026-05-14

Overview

MESIL 202 series is a methylhydrogen silicone fluid in which some of the methyl radicals of dimethyl silicone fluid are replaced by hydrogen. CAS numbers: 63148-57-2 / 9004-73-3. The fluid is a colorless clear liquid with hydrogen content 1.50–1.60% and viscosity 15–40 mm²/s at 25°C.

Technical Specifications

PropertyUnitValue
CAS No.63148-57-2 / 9004-73-3
Color and AppearanceColorless clear liquid
Specific Gravity (25°C)0.99–1.01
Refractive Index (25°C)1.390–1.410
Volatile Content (150°C, 2 hrs)%1.50
Hydrogen Content%1.50–1.60
Viscosity (25°C)mm²/s15–40
Show full content (3 sections)

Applications

  • Water repellent treatment of plasterboard and plaster blocks
  • Treatment of powders and granular materials for water repellency
  • Treatment of dry-sprayed substances to improve flow and reduce caking
  • Impregnation of cylinder head gaskets for enhanced permeability
  • Water repellent treatment of textiles via solvent or aqueous emulsion systems

Packaging & Storage

Supplied in 200 kg steel drums or 950 kg IBC drums. 20' GP FCL capacity: 80 steel drums (16,000 kg) or 18 IBC drums (17,100 kg). Shelf life: 12 months at ambient temperatures in original unopened packaging.

Next step

Request a quote, COA, or sample

Fill in the form. Our application chemists respond within 24 hours with full COA / MSDS and a sample plan.

Your information is used only to respond to your inquiry and will not be shared.

TelegramWhatsApp