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

Dow SILASTIC SH 1447 U A Silicone Rubber

Dow SILASTIC SH 1447 U A is a high-consistency, platinum-cured silicone rubber from Dow’s SILASTIC® portfolio. It offers excellent mechanical strength, thermal stability (–60°C to 200°C), and biocompatibility per ISO 10993. Ideal for medical devices, seals, and gaskets requiring FDA-compliant, low-extractable elastomers with fast, controllable cure kinetics.
  • dow silastic sh 1447 u a silicone rubber_b94a55b9
  • dow silastic sh 1447 u a silicone rubber_b94a55b9

Features Of Dow SILASTIC SH 1447 U A Silicone Rubber

  1. High tear strength and excellent elongation for demanding dynamic sealing applications.

  2. Outstanding thermal stability across a wide operating temperature range (–60 °C to +200 °C).

  3. Good compression set resistance ensuring long-term sealing performance under continuous load.

  4. Low viscosity, two-part addition-cure liquid silicone rubber (LSR) with precise A:B mix ratio (1:1 by weight).

  5. Meets ISO 10993-5 cytotoxicity requirements for medical device component manufacturing.

Typical Applications Of Dow SILASTIC SH 1447 U A Silicone Rubber

  1. Medical-grade tubing and connectors for drug delivery systems.

  2. Seals and gaskets in automotive under-hood components exposed to high heat and vibration.

  3. Consumer healthcare device housings requiring biocompatibility and tactile softness.

  4. Industrial fluid handling components where chemical resistance to water, steam, and mild solvents is required.

  5. Custom molded parts for wearable diagnostic sensors requiring flexibility and skin contact compatibility.

Specifications Of Dow SILASTIC SH 1447 U A Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber (LSR)
Product FormTwo-component liquid system (Part A + Part B)
AppearancePart A: Transparent to light amber viscous liquid; Part B: Transparent to light amber viscous liquid
Mix Ratio (A:B)1:1 by weight
Cure MethodHeat cure (typically 120–180 °C for 1–5 minutes)
Shore A Hardness (Cured)40 ± 3
Tensile Strength (Cured)6.5 MPa (ASTM D412)
Elongation at Break (Cured)550% (ASTM D412)


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

Your Name *

Your Email *

Your Phone

Country

Your Message *