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

Wacker ELASTOSIL M 4115 Two-Component Silicone Rubber

Wacker ELASTOSIL® M 4115 is a two-component addition-curing silicone rubber offering excellent mechanical properties thermal stability and low compression set. Ideal for precision molding of seals gaskets and technical parts in automotive medical and industrial applications. Fast curing at room or elevated temperatures ensures high productivity and dimensional accuracy.
  • wacker elastosil m 4115 two component silicone rubber_d1a89c46
  • wacker elastosil m 4115 two component silicone rubber_d1a89c46

Features Of Wacker ELASTOSIL M 4115 Two-Component Silicone Rubber

  1. High tear strength and excellent elongation for demanding mechanical performance.

  2. Fast room-temperature curing (RTV-2) with precise 1:1 mixing ratio by weight or volume.

  3. Outstanding thermal stability and long-term aging resistance from –60 °C to +180 °C.

  4. Low viscosity components ensure easy degassing and excellent air release for bubble-free casting.

  5. Meets biocompatibility requirements per ISO 10993-5 (cytotoxicity) for medical-grade applications.

Typical Applications Of Wacker ELASTOSIL M 4115 Two-Component Silicone Rubber

  1. Medical device prototyping and low-volume production of anatomical models and surgical trainers.

  2. Soft-touch overmolding for ergonomic handles, wearable sensors, and diagnostic equipment housings.

  3. Replication of fine-detail master patterns in dental, orthopedic, and hearing aid manufacturing.

  4. Sealing and encapsulation of sensitive electronic components requiring flexibility and environmental resilience.

Specifications Of Wacker ELASTOSIL M 4115 Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid system (Part A + Part B)
Appearance (Mixed)Translucent, viscous liquid
Mixing Ratio (by weight)1 : 1
Shore A Hardness (7 days, 23 °C)15 ± 2
Tensile Strength (7 days, 23 °C)3.5 MPa (min)
Elongation at Break (7 days, 23 °C)750 % (min)
Processing Temperature Range20 °C to 40 °C (recommended for optimal cure)


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