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

Dow SILASTIC DY 32-809 U Silicone Rubber

Dow SILASTIC DY 32-809 U is a high-consistency, platinum-cured silicone rubber from Dow’s SILASTIC® portfolio. It offers excellent thermal stability, low compression set, and superior electrical insulation. Ideal for medical tubing, seals, and precision molded parts requiring biocompatibility and USP Class VI compliance. Easy processing via injection or compression molding ensures consistent part quality and dimensional accuracy.
  • dow silastic dy 32 809 u silicone rubber_70f57765
  • dow silastic dy 32 809 u silicone rubber_70f57765

Features Of Dow SILASTIC DY 32-809 U Silicone Rubber

  1. High-consistency, addition-cure liquid silicone rubber (LSR) with excellent processability in high-speed injection molding systems.

  2. Outstanding thermal stability and long-term compression set resistance over a wide temperature range (–55 °C to 200 °C).

  3. Excellent biocompatibility profile, compliant with ISO 10993-5 and USP Class VI for medical device applications.

  4. Low volatility and minimal extractables, supporting stringent regulatory requirements for healthcare and food-contact use.

  5. Tailored rheology for precise flow control and low flash formation in complex, thin-walled mold cavities.

Typical Applications Of Dow SILASTIC DY 32-809 U Silicone Rubber

  1. Medical-grade components: syringe plungers, respiratory masks, drug delivery device seals, and wearable sensor housings.

  2. Healthcare consumables: IV connectors, tubing manifolds, and diagnostic instrument gaskets.

  3. Food-grade sealing parts: pump diaphragms, valve seats, and processing equipment gaskets compliant with FDA 21 CFR §177.2600.

  4. Automotive under-hood sensors and electronic encapsulation requiring reliable performance at elevated temperatures.

  5. Consumer health devices: rechargeable toothbrush seals, smart inhaler components, and wearable biometric interfaces.

Specifications Of Dow SILASTIC DY 32-809 U Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber (LSR)
Product FormTwo-component system (Part A: base; Part B: catalyst)
AppearanceTranslucent, viscous liquid (Part A); translucent, low-viscosity liquid (Part B)
Primary ApplicationsMedical devices, pharmaceutical packaging, food-contact components, and precision molded elastomers
Key FeaturesHigh consistency, low compression set, excellent flow balance, and rapid cure kinetics
BenefitsReduced cycle times, minimized post-molding trimming, and consistent part-to-part dimensional accuracy
CertificationsISO 10993-5 (cytotoxicity), USP Class VI, FDA-compliant per 21 CFR §177.2600
Shelf Life12 months from date of manufacture when stored unopened at ≤25 °C


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