Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

1-200-20 Terminally Hydrogen-terminated Silicone Oil

Dow Corning® 200 Fluid Series 1-200-20 is a low-viscosity, hydrogen-terminated polydimethylsiloxane (PDMS) silicone oil with reactive Si–H end groups. Designed for hydrosilylation curing, it serves as a key precursor in silicone elastomers, release coatings, and functional additives. Offers excellent thermal stability, hydrophobicity, and molecular uniformity.
  • 1 200 20 terminally hydrogen terminated silicone oil_e9275d0f
  • 1 200 20 terminally hydrogen terminated silicone oil_e9275d0f

Features Of 1-200-20 Terminally Hydrogen-terminated Silicone Oil

  1. Highly reactive Si–H end groups enable efficient hydrosilylation with alkenes, alkynes, and functional silanes.

  2. Controlled molecular weight distribution ensures consistent reactivity and predictable crosslinking behavior.

  3. Low volatility and excellent thermal stability support high-temperature processing without premature degradation.

  4. Hydrogen termination provides superior compatibility with platinum-catalyzed silicone systems and specialty polymers.

  5. Non-ionic, solvent-free liquid form facilitates easy handling, metering, and integration into formulation processes.

Typical Applications Of 1-200-20 Terminally Hydrogen-terminated Silicone Oil

  1. Base polymer in addition-cure liquid silicone rubber (LSR) for medical devices and precision elastomers.

  2. Crosslinker and functional modifier in silicone pressure-sensitive adhesives (PSAs) for high-performance tapes.

  3. Reactive diluent and chain extender in silicone resins for heat-resistant coatings and encapsulants.

  4. Building block for synthesizing silicone surfactants, coupling agents, and hybrid organic-inorganic materials.

  5. Key ingredient in platinum-catalyzed release coatings for paper, film, and composite manufacturing.

Specifications Of 1-200-20 Terminally Hydrogen-terminated Silicone Oil

Chemical TypeLinear polydimethylsiloxane (PDMS) with terminal Si–H groups
Product FormClear, colorless to pale yellow liquid
AppearanceHomogeneous, low-viscosity fluid, no phase separation or sediment
Si–H Content (wt%)0.12–0.18%
Viscosity (cSt, 25°C)180–220
Density (g/cm³, 25°C)0.96–0.98
Refractive Index (25°C)1.400–1.405
Flash Point (°C, closed cup)≥300


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