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

Wacker ELASTOSIL E50 One-Component Silicone Sealant

Wacker ELASTOSIL E50 is a one-component, platinum-cured silicone sealant offering excellent adhesion to glass, metals and plastics without primers. It cures rapidly at room temperature with low shrinkage, outstanding UV/weather resistance and long-term elasticity. Ideal for bonding, sealing and potting in electronics, automotive and architectural applications.
  • wacker elastosil e50 one component silicone sealant_c612c63d
  • wacker elastosil e50 one component silicone sealant_c612c63d

Features Of Wacker ELASTOSIL E50 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, ceramics, and many plastics without primer.

  3. High elasticity and permanent flexibility—maintains elongation >150% after full cure to accommodate joint movement.

  4. Outstanding resistance to UV radiation, ozone, and extreme temperatures (–40 °C to +150 °C continuous).

  5. Low volatile organic compound (VOC) content, compliant with stringent indoor air quality requirements.

Typical Applications Of Wacker ELASTOSIL E50 One-Component Silicone Sealant

  1. Sealing and bonding in architectural glazing systems, including structural and perimeter sealants for curtain walls.

  2. Joint sealing in façade construction—especially for expansion joints between precast concrete, stone, and metal panels.

  3. Assembly and sealing of LED lighting housings and electronic enclosures requiring environmental protection.

  4. Automotive component assembly where vibration damping and thermal cycling resistance are critical.

  5. Industrial equipment housing seals exposed to weathering, humidity, and mechanical stress.

Specifications Of Wacker ELASTOSIL E50 One-Component Silicone Sealant

Chemical TypeAcetoxy-cure, condensation-curing silicone elastomer
Product FormPaste-like, thixotropic one-component sealant
AppearanceOpaque white or translucent beige, smooth homogeneous paste
Primary ApplicationsNon-structural sealing and bonding in building, electronics, and transportation
Key FeaturesRTV, primerless adhesion, high elongation, UV/ozone stable
Shelf Life12 months in original unopened packaging at ≤25 °C
Curing Time (Surface Dry)Approx. 15–30 minutes (23 °C, 50% RH)
Full Cure TimeApprox. 7 days (3 mm thickness, 23 °C, 50% RH)


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