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

Dow SILASTIC SH 35 U Silicone Rubber

Dow SILASTIC SH 35 U Silicone Rubber is a high-strength, platinum-cured liquid silicone rubber (LSR) offering excellent flow, low viscosity, and rapid cure. Ideal for precision injection molding of medical devices, seals, and automotive parts. Features biocompatibility per ISO 10993, thermal stability up to 200°C, and consistent mechanical properties after post-cure. Trusted for reproducible performance in demanding industrial applications.
  • dow silastic sh 35 u silicone rubber_9d43b6d9
  • dow silastic sh 35 u silicone rubber_9d43b6d9

Features Of Dow SILASTIC SH 35 U Silicone Rubber

  1. High-consistency, two-part addition-cure silicone rubber with excellent processability in compression and transfer molding.

  2. UL 94 V-0 rated for flame resistance—meets stringent electrical safety requirements.

  3. Outstanding thermal stability across –60 °C to +200 °C continuous service range.

  4. Low compression set and superior long-term elastic recovery for dynamic sealing applications.

  5. Biocompatibility aligned with ISO 10993-5 and USP Class VI testing protocols.

Typical Applications Of Dow SILASTIC SH 35 U Silicone Rubber

  1. Medical device components including respiratory masks, tubing connectors, and implantable housing gaskets.

  2. Automotive under-hood seals and vibration-damping mounts exposed to high-temperature engine environments.

  3. Electrical insulation parts such as potting compounds, cable jackets, and connector housings.

  4. Consumer appliance seals for coffee makers, steam ovens, and high-cycle kitchen equipment.

  5. Industrial fluid-handling components requiring chemical resistance to water, steam, and mild solvents.

Specifications Of Dow SILASTIC SH 35 U Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-part liquid (Part A: base; Part B: catalyst)
AppearanceOpaque off-white paste (Part A); translucent amber liquid (Part B)
Shore A Hardness (Cured, 7 days @ 23 °C)35 ± 2
Tensile Strength (ASTM D412)≥ 6.0 MPa
Elongation at Break (ASTM D412)≥ 450 %
Compression Set (22 hrs @ 175 °C, ASTM D395 B)≤ 25 %
Curing SystemRoom temperature or elevated temperature (e.g., 150 °C for 5 min)


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