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

Dow SILASTIC LC 9800 Silicone Rubber

Dow SILASTIC LC 9800 is a high-performance liquid silicone rubber (LSR) from Dow’s SILASTIC series, engineered for rapid injection molding. It offers excellent flow, low viscosity, fast cure speed, and outstanding thermal/chemical resistance—ideal for precision medical, automotive, and consumer parts requiring biocompatibility and UL 94 V-0 rating.
  • dow silastic lc 9800 silicone rubber_55ddbf13
  • dow silastic lc 9800 silicone rubber_55ddbf13

Features Of Dow SILASTIC LC 9800 Silicone Rubber

  1. Low-compression-set formulation ensures long-term sealing performance under continuous mechanical stress.

  2. Excellent thermal stability across –65 °C to +200 °C operating range for demanding environmental conditions.

  3. High tear strength and elongation at break support reliable performance in dynamic gasketing and vibration-damping applications.

  4. Good resistance to ozone, UV radiation, and aging—maintains physical integrity over extended service life.

  5. Platinum-catalyzed cure system enables precise control of vulcanization kinetics and low extractables for high-purity requirements.

Typical Applications Of Dow SILASTIC LC 9800 Silicone Rubber

  1. Automotive under-hood sealing components including valve cover gaskets and turbocharger seals.

  2. Industrial fluid handling systems requiring resilient, chemically stable elastomeric seals.

  3. Aerospace cabin and engine compartment gaskets where consistent compression set resistance is critical.

  4. Medical device housings and enclosures compliant with ISO 10993 biocompatibility screening guidelines.

  5. Electronics encapsulation and potting where thermal cycling resistance and electrical insulation are essential.

Specifications Of Dow SILASTIC LC 9800 Silicone Rubber

Chemical TypeHigh-consistency platinum-cured silicone rubber
Product FormUncured compound (two-part A+B system)
AppearanceOpaque, uniform paste; Part A: light beige, Part B: white
Shore A Hardness (Cured, ASTM D2240)60 ± 3
Tensile Strength (ASTM D412)≥ 7.0 MPa
Elongation at Break (ASTM D412)≥ 350 %
Compression Set (22 h @ 175 °C, ASTM D395 Method B)≤ 25 %
Cure SystemPlatinum-based addition cure


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