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

Dow SILASTIC LC 30-1020 Silicone Rubber

Dow SILASTIC LC 30-1020 is a platinum-cured liquid silicone rubber from Dow’s SILASTIC LC series offering rapid room-temperature cure low viscosity excellent biocompatibility and outstanding thermal stability ideal for medical device encapsulation and precision molding applications.
  • dow silastic lc 30 1020 silicone rubber_172f3559
  • dow silastic lc 30 1020 silicone rubber_172f3559

Features Of Dow SILASTIC LC 30-1020 Silicone Rubber

  1. Low-compression-set formulation for long-term sealing performance under dynamic and static conditions.

  2. Excellent thermal stability, maintaining integrity across a wide service temperature range (–65 °C to +200 °C).

  3. Good electrical insulation properties with high dielectric strength and volume resistivity.

  4. Platinum-catalyzed, addition-cure chemistry enabling precise control over cure kinetics and minimal byproduct formation.

  5. High purity and low extractables—suitable for applications requiring biocompatibility support per ISO 10993 guidelines.

Typical Applications Of Dow SILASTIC LC 30-1020 Silicone Rubber

  1. Medical device components including seals, gaskets, and tubing for drug delivery systems.

  2. Automotive under-hood sealing solutions such as sensor housings and connector boots.

  3. Electrical and electronic encapsulation for high-voltage insulators and LED module protection.

  4. Aerospace fluid system seals requiring resistance to fuels, oils, and extreme thermal cycling.

  5. Industrial automation parts including diaphragms, bellows, and precision molded elastomeric interfaces.

Specifications Of Dow SILASTIC LC 30-1020 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber (LSR)
Product FormTwo-part liquid system (Part A: base; Part B: catalyst)
AppearanceTranslucent, low-viscosity liquid (Part A); colorless to pale yellow liquid (Part B)
Primary ApplicationsHigh-reliability sealing, encapsulation, and molding in regulated industries
Key FeaturesLow compression set, excellent thermal aging resistance, high dimensional stability
BenefitsConsistent part-to-part repeatability, minimal post-cure requirement, compatibility with automated dispensing and injection molding
Cure SystemAddition cure (hydrosilylation), inhibited at room temperature for extended pot life
Regulatory SupportMeets USP Class VI and ISO 10993-5/-10 biocompatibility testing requirements (when fully cured)


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