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

Dow SILASTIC SE 6777 LSR

Dow SILASTIC SE 6777 LSR is a platinum-cured liquid silicone rubber from Dow’s SILASTIC LSR series, designed for high-precision injection molding. It offers excellent thermal stability, low compression set, and biocompatibility per ISO 10993. Ideal for medical devices, seals, and automotive components requiring consistent flow and rapid cure.
  • dow silastic se 6777 lsr_924ee963
  • dow silastic se 6777 lsr_924ee963

Features Of Dow SILASTIC SE 6777 LSR

  1. Platinum-catalyzed liquid silicone rubber (LSR) with excellent thermal stability and low compression set.

  2. High biocompatibility, compliant with USP Class VI and ISO 10993-5/10 for medical device applications.

  3. Optimized rheology for high-precision injection molding of thin-walled and complex geometries.

  4. Fast cure kinetics enabling short cycle times and high-volume production efficiency.

  5. Excellent adhesion to engineered thermoplastics and metals without primers in many configurations.

Typical Applications Of Dow SILASTIC SE 6777 LSR

  1. Medical-grade wearable sensors and skin-contact patches.

  2. Seals and gaskets for implantable and diagnostic devices.

  3. Soft-touch overmolded components for surgical instruments and drug delivery systems.

  4. Microfluidic device housings requiring dimensional stability and chemical resistance.

  5. Pharmaceutical stoppers and closures for parenteral packaging.

Specifications Of Dow SILASTIC SE 6777 LSR

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber
Product FormTwo-part (A + B) liquid system, supplied as separate syringes or bulk containers
Appearance (Part A)Translucent, viscous liquid
Appearance (Part B)Translucent, viscous liquid
Base PolymerDimethyl siloxane copolymer with vinyl functionality
Cure Temperature Range110–180 °C
Shore A Hardness (Cured)65 ± 3
Primary ApplicationsMedical devices, pharmaceutical packaging, diagnostics, wearables


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *