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

Wacker ELASTOSIL E900 One-Component Silicone Sealant

Wacker ELASTOSIL E900 is a one-component, addition-curing silicone sealant offering excellent adhesion to glass, metals and plastics without primers. It cures rapidly at room temperature with low shrinkage, high elasticity and outstanding UV/heat resistance. Ideal for architectural glazing, automotive assembly and precision electronics sealing applications requiring reliability and long-term stability.
  • wacker elastosil e900 one component silicone sealant_3b3eefee
  • wacker elastosil e900 one component silicone sealant_3b3eefee

Features Of Wacker ELASTOSIL E900 One-Component Silicone Sealant

  1. Room-temperature vulcanizing (RTV) silicone with moisture-cure mechanism for convenient, tool-free application.

  2. Excellent adhesion to common substrates including glass, aluminum, stainless steel, and most plastics without primer.

  3. High elasticity and permanent flexibility over a wide temperature range (–60 °C to +200 °C).

  4. Outstanding resistance to UV radiation, ozone, and weathering — ideal for long-term outdoor exposure.

  5. Low volatility and VOC-compliant formulation meeting stringent industrial and environmental safety requirements.

Typical Applications Of Wacker ELASTOSIL E900 One-Component Silicone Sealant

  1. Sealing and bonding in photovoltaic module assembly and solar panel frame encapsulation.

  2. Electrical insulation and potting of high-voltage components in power electronics and EV battery systems.

  3. Gasketing and sealing of HVAC housings, control cabinets, and industrial enclosures.

  4. Mounting and vibration-damping of sensors, actuators, and precision optical devices.

  5. General-purpose structural and non-structural sealing in automotive and rail vehicle interiors.

Specifications Of Wacker ELASTOSIL E900 One-Component Silicone Sealant

Chemical TypeAcetoxy-cure, one-component, addition-inhibited RTV silicone
Product FormPaste-like, thixotropic paste in cartridge or sausage packaging
AppearanceOpaque white or translucent beige, homogeneous consistency
Primary ApplicationsIndustrial bonding, sealing, gasketing, and electrical insulation
Key FeaturesPrimerless adhesion, high elongation (>300%), low compression set
Shore A Hardness (7 days, 23 °C/50% RH)25–30
Tensile Strength (7 days, 23 °C/50% RH)≥1.8 MPa
Curing Depth (24 h, 23 °C/50% RH)Approx. 3 mm


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