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

Dow DOWSIL EG-3100 Kit Silicone Elastomer

Dow DOWSIL EG-3100 Kit is a two-part platinum-cured silicone elastomer system offering excellent flow, low viscosity, and rapid room-temperature cure. Ideal for precision molding, encapsulation, and soft-touch applications, it delivers high tear strength, thermal stability, and biocompatibility per ISO 10993. Part of Dow’s DOWSIL EG silicone elastomer series, it ensures consistent performance in medical, automotive, and consumer electronics manufacturing.
  • dow dowsil eg 3100 kit silicone elastomer_14887977
  • dow dowsil eg 3100 kit silicone elastomer_14887977

Features Of Dow DOWSIL EG-3100 Kit Silicone Elastomer

  1. Two-component, platinum-catalyzed addition-cure silicone elastomer system for high-fidelity replication and rapid prototyping.

  2. Low viscosity before cure enables excellent air release and fine detail reproduction in complex molds.

  3. Shore A hardness of ~30 after full cure, offering soft, flexible, and tear-resistant elastomeric properties.

  4. Excellent thermal stability with continuous service capability up to 180 °C.

  5. Low compression set and outstanding long-term elasticity retention under repeated deformation.

Typical Applications Of Dow DOWSIL EG-3100 Kit Silicone Elastomer

  1. Prototyping and master pattern duplication for investment casting and composite tooling.

  2. Soft tooling for low-volume production of plastic, polyurethane, or epoxy parts.

  3. Flexible mold making for architectural concrete, art casting, and decorative elements.

  4. Sealing and gasketing components requiring high conformability and chemical resistance.

  5. Functional prototypes requiring tactile feedback, vibration damping, or impact absorption.

Specifications Of Dow DOWSIL EG-3100 Kit Silicone Elastomer

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-part liquid kit (Part A + Part B)
AppearancePart A: Translucent, low-viscosity liquid; Part B: Translucent, low-viscosity liquid
Mix Ratio (by weight)1:1
Cure Time (at 25 °C)~24 hours for full cure; tack-free in ~4–6 hours
Shore A Hardness (7 days, 25 °C)28–32
Tensile Strength~4.5 MPa
Elongation at Break~350%


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