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

Wacker SILPURAN 2420 Silicone Rubber

Wacker SILPURAN 2420 is a platinum-cured liquid silicone rubber (LSR) from Wacker’s SILPURAN® medical-grade series—designed for high-precision injection molding of biocompatible components like catheters and seals. It offers excellent flow, low viscosity, fast cure, and complies with ISO 10993 and USP Class VI standards.
  • wacker silpuran 2420 silicone rubber_03669c32
  • wacker silpuran 2420 silicone rubber_03669c32

Features Of Wacker SILPURAN 2420 Silicone Rubber

  1. Platinum-cured liquid silicone rubber (LSR) with excellent biocompatibility compliant with ISO 10993 and USP Class VI.

  2. High transparency and outstanding optical clarity for demanding aesthetic applications.

  3. Excellent mechanical properties including high tear strength and elongation at break.

  4. Fast, reproducible curing profile suitable for high-volume injection molding processes.

  5. Low compression set and superior thermal stability across a wide service temperature range (–40 °C to +200 °C).

Typical Applications Of Wacker SILPURAN 2420 Silicone Rubber

  1. Medical devices requiring sterilization (e.g., syringe components, respiratory masks, catheter connectors).

  2. Consumer healthcare products such as baby bottle nipples and breast pump parts.

  3. Optical-grade seals and gaskets in precision instrumentation.

  4. Transparent soft-touch overmolding for electronic device housings and wearable interfaces.

  5. Food-contact compliant components in kitchen appliances and beverage dispensing systems.

Specifications Of Wacker SILPURAN 2420 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber
Product FormTwo-component (Part A + Part B), low-viscosity liquid
AppearanceTransparent, colorless to pale yellow liquid
Primary ApplicationsMedical, healthcare, food contact, optical sealing
Key FeaturesBiocompatible, transparent, fast-curing, high purity
BenefitsReduced cycle times, excellent part consistency, regulatory compliance ready
Curing SystemPt-catalyzed hydrosilylation (no by-products)
Shelf Life12 months at ≤25 °C in unopened original packaging


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