14SiSILICONZEMSIL®

ZEMSIL MH-55

SH-1107

Polymethylhydrosiloxane (PMHS)

CAS 63148-57-2

Also equivalent to: HMS-301, Dow 1107 Fluid

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~0.80

%

SiH Content

~55

cSt

Viscosity @ 25°C

0.990

Specific Gravity @ 25°C

1.395

Refractive Index n²⁰D

Specifications

PropertyValueUnit
SiH Content~0.80%
Viscosity @ 25°C~55cSt
Specific Gravity @ 25°C0.990
Refractive Index n²⁰D1.395
Flash Point55°C
Volatile @ 150°C, 1h≤2.0%

Applications

Crosslinker for addition-cure LSR/HTVWaterproofing of textiles and concreteHydrophobic surface treatment for minerals

Key Features

  • Primary crosslinker for platinum-catalyzed addition cure silicone; SiH reacts with vinyl groups under Pt catalyst at room temperature
  • Equivalent to SH-1107 / HMS-301
  • Also used as waterproofing agent via SiH hydrolysis
ZEMSIL MH-55 | ZEMSIL® | ZEMSIL®