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

Wacker ELASTOSIL A07 One-Component Silicone Sealant

Wacker ELASTOSIL A07 is a one-component, platinum-cured silicone sealant offering excellent adhesion, low compression set, and outstanding thermal stability from −60 °C to +200 °C—ideal for demanding industrial bonding and sealing applications.
  • wacker elastosil a07 one component silicone sealant_aae9d8e4
  • wacker elastosil a07 one component silicone sealant_aae9d8e4

Features Of Wacker ELASTOSIL A07 One-Component Silicone Sealant

  1. Room-temperature vulcanizing (RTV) silicone sealant with moisture-cure mechanism.

  2. Excellent adhesion to common substrates including glass, aluminum, ceramics, and painted surfaces without primer.

  3. High elasticity and permanent flexibility after curing, maintaining performance from −60 °C to +200 °C.

  4. Low modulus formulation minimizes stress on bonded joints and accommodates dynamic movement.

  5. Non-corrosive, acetoxy-cure chemistry suitable for sensitive electronic and optical components.

Typical Applications Of Wacker ELASTOSIL A07 One-Component Silicone Sealant

  1. Sealing and bonding in LED lighting housings and optical assemblies.

  2. Encapsulation and potting of sensors and precision electronic modules.

  3. Joint sealing in architectural glazing systems and façade elements.

  4. Assembly sealing in automotive interior components and control units.

  5. Medical device assembly where biocompatibility and low outgassing are required.

Specifications Of Wacker ELASTOSIL A07 One-Component Silicone Sealant

Chemical TypeAcetoxy-cure, one-component, RTV silicone
Product FormPaste-like, thixotropic paste in cartridge
AppearanceOpaque white or translucent gel
Primary ApplicationsSealing, bonding, encapsulation, and potting
Key FeaturesPrimerless adhesion, low modulus, high elongation (>300%)
BenefitsFast surface cure (1–2 mm/day), excellent aging resistance, UV stable
Curing MechanismMoisture-cure at ambient temperature
Storage Stability12 months unopened at ≤25 °C in dry conditions


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