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

Dow SILASTIC LTC 9400-50 Silicone Rubber

Dow SILASTIC LTC 9400-50 is a two-part, platinum-cured liquid silicone rubber offering low compression set, excellent thermal stability (–65°C to 200°C), and outstanding flow for precision molding of medical, automotive, and electronic components. It cures rapidly at room or elevated temperatures with minimal shrinkage and superior biocompatibility per ISO 10993.
  • dow silastic ltc 9400 50 silicone rubber_6d46610a
  • dow silastic ltc 9400 50 silicone rubber_6d46610a

Features Of Dow SILASTIC LTC 9400-50 Silicone Rubber

  1. Low-temperature cure silicone elastomer system enabling rapid processing at ambient to mild elevated temperatures (e.g., 25–60 °C).

  2. Excellent adhesion to diverse substrates including plastics, metals, and glass without requiring primers.

  3. Outstanding flexibility and elongation retention after curing, even under thermal cycling conditions.

  4. UL 94 V-0 rated flame retardancy for enhanced safety in electrical and electronic applications.

  5. Low volatility and minimal outgassing—suitable for sealed or sensitive optical and sensor assemblies.

Typical Applications Of Dow SILASTIC LTC 9400-50 Silicone Rubber

  1. Encapsulation and potting of LED modules and automotive lighting units.

  2. Sealing and gasketing in consumer electronics housings and wearable devices.

  3. Thermal interface materials (TIM) for battery module edge sealing and cell-to-pack bonding.

  4. Soft-touch overmolding on medical device housings requiring biocompatibility support.

  5. Conformal coating for flexible printed circuits (FPCs) exposed to humidity and vibration.

Specifications Of Dow SILASTIC LTC 9400-50 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber (LSR)
Product FormTwo-part liquid system (Part A: base; Part B: catalyst)
Appearance (Mixed)Translucent, low-viscosity paste
Primary ApplicationsEncapsulation, sealing, gasketing, and soft-touch overmolding
Key FeaturesLow-temperature cure, primerless adhesion, UL 94 V-0, low outgassing
Shore A Hardness (Cured)50 ± 3
Tensile Strength (ASTM D412)≥ 5.0 MPa
Elongation at Break (ASTM D412)≥ 350 %


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