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

Dow SILASTIC SH 55 UA Silicone Rubber

Dow SILASTIC SH 55 UA is a high-performance addition-cure liquid silicone rubber from Dow’s SILASTIC® portfolio. Featuring excellent flow, low viscosity, and rapid platinum-catalyzed curing, it delivers superior thermal stability, biocompatibility, and mechanical resilience—ideal for precision medical devices, infant care products, and demanding industrial molding applications.
  • dow silastic sh 55 ua silicone rubber_b196169c
  • dow silastic sh 55 ua silicone rubber_b196169c

Features Of Dow SILASTIC SH 55 UA Silicone Rubber

  1. High-transparency, platinum-cured liquid silicone rubber (LSR) with excellent optical clarity.

  2. Ultra-low viscosity for superior flow and precise mold filling in complex geometries.

  3. Biocompatibility compliant with ISO 10993-5 and USP Class VI, suitable for medical device applications.

  4. Fast cure profile enabling high-throughput manufacturing without post-cure requirement.

  5. Excellent thermal stability and long-term compression set resistance across -55°C to +200°C.

Typical Applications Of Dow SILASTIC SH 55 UA Silicone Rubber

  1. Medical tubing and catheter components requiring clarity and biocompatibility.

  2. Drug delivery device seals and diaphragms in precision metering systems.

  3. Optically clear housings and light guides for diagnostic equipment.

  4. Soft-touch overmolded grips and ergonomic interfaces for handheld medical instruments.

  5. Microfluidic device encapsulation and lab-on-chip bonding layers.

Specifications Of Dow SILASTIC SH 55 UA Silicone Rubber

Chemical TypePlatinum-cured addition-cure liquid silicone rubber (LSR)
Product FormTwo-part liquid (Part A + Part B), supplied separately
AppearanceTransparent, low-viscosity liquid
Primary ApplicationsMedical devices, diagnostics, drug delivery systems
Key FeaturesOptical clarity, ultra-low viscosity, rapid cure, biocompatible
BenefitsReduced cycle time, high part fidelity, regulatory-ready formulation
Curing SystemPt-catalyzed hydrosilylation (inhibitor-modulated)
Shelf Life (unopened, 25°C)12 months from date of manufacture


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