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

Wacker ELASTOSIL RT 708 Silicone Rubber

Wacker ELASTOSIL RT 708 is a two-component, addition-curing liquid silicone rubber offering excellent mechanical strength, thermal stability up to 200°C, and outstanding detail reproduction. Ideal for precision casting, medical device prototyping, and industrial molds, it cures rapidly at room temperature or accelerated with mild heat. Low viscosity ensures easy degassing and bubble-free replication of intricate geometries.
  • wacker elastosil rt 708 silicone rubber_03a65c0d
  • wacker elastosil rt 708 silicone rubber_03a65c0d

Features Of Wacker ELASTOSIL RT 708 Silicone Rubber

  1. High tear strength and excellent elongation at break for demanding dynamic applications.

  2. Fast room-temperature vulcanization (RTV) with low exotherm, enabling efficient processing without ovens.

  3. Outstanding thermal stability across –60 °C to +180 °C continuous service range.

  4. Good adhesion to various substrates including metals, plastics, and glass without primers.

  5. Low compression set and superior resistance to weathering, ozone, and UV radiation.

Typical Applications Of Wacker ELASTOSIL RT 708 Silicone Rubber

  1. Sealing and bonding of automotive lighting assemblies and sensor housings.

  2. Encapsulation and potting of electronic control units (ECUs) and power modules.

  3. Gasketing for industrial equipment requiring vibration damping and environmental sealing.

  4. Manufacturing of flexible molds for prototyping and low-volume casting of polyurethanes and epoxies.

  5. Structural bonding in white goods and HVAC components exposed to thermal cycling.

Specifications Of Wacker ELASTOSIL RT 708 Silicone Rubber

Chemical TypePlatinum-cured addition-cure silicone rubber
Product FormTwo-component liquid system (Part A: base, Part B: catalyst)
AppearanceTranslucent, low-viscosity liquid
Mix Ratio (A:B)10:1 by weight
Cure Time (23 °C / 50% RH)Surface tack-free in ~30 min; full cure in 24–48 h
Hardness (Shore A)~8.5 after 7 days at 23 °C
DensityApprox. 1.12 g/cm³
Primary ApplicationsSealing, bonding, encapsulation, and mold-making


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *