ZEMSIL OH-18
≡ OHX-0010Hydroxy-Terminated Polydimethylsiloxane (Low MW)
CAS 70131-67-8
Also equivalent to: DMS-S12
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~18
cSt
Viscosity @ 25°C
~6.0
%
OH Content
~550
g/mol
MW
0.965
Specific Gravity @ 25°C
Specifications
| Property | Value | Unit |
|---|---|---|
| Viscosity @ 25°C | ~18 | cSt |
| OH Content (KOH titration) | ~6.0 | % |
| Number-avg MW | ~550 | g/mol |
| Specific Gravity @ 25°C | 0.965 | — |
| Flash Point | >100 | °C |
Applications
RTV-1 sealant crosslinkerSilicone resin synthesisChain extender for RTV-2Surface treatment agent
Key Features
- —Low MW building block for RTV condensation cure
- —High OH functionality for fast cure kinetics
- —Reactive toward isocyanates, methyltrimethoxysilane, and other crosslinkers
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