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

Wacker POWERSIL 79032 One-Component Silicone Sealant

Wacker POWERSIL 79032 is a one-component, acetoxy-cure silicone sealant offering rapid tack-free time, excellent adhesion to glass/metal/plastics, high elasticity, and weather resistance—ideal for construction, automotive, and industrial bonding/sealing applications.
  • wacker powersil 79032 one component silicone sealant_b2a40cd3
  • wacker powersil 79032 one component silicone sealant_b2a40cd3

Features Of Wacker POWERSIL 79032 One-Component Silicone Sealant

  1. Neutral-cure, acetoxy-free formulation ensures excellent adhesion to sensitive substrates without corrosion risk.

  2. High elasticity and permanent flexibility over a wide temperature range (−40 °C to +150 °C).

  3. Excellent resistance to UV radiation, ozone, and weathering for long-term outdoor performance.

  4. Low modulus design accommodates dynamic joint movement without loss of seal integrity.

  5. Ready-to-use — no mixing required; cures at ambient humidity with depth-of-cure up to 3 mm in 24 hours.

Typical Applications Of Wacker POWERSIL 79032 One-Component Silicone Sealant

  1. Sealing and bonding in façade construction, including curtain wall systems and structural glazing perimeters.

  2. Joint sealing for aluminum, stainless steel, anodized surfaces, and coated metal cladding panels.

  3. Interior and exterior expansion joints in commercial and high-rise building envelopes.

  4. Weatherproofing of prefabricated concrete elements and architectural precast components.

  5. Secondary sealing in insulated glass units (IGUs) and perimeter bonding of insulating glazing.

Specifications Of Wacker POWERSIL 79032 One-Component Silicone Sealant

Chemical TypeAcetoxy-cured silicone elastomer
Product FormPaste-like, thixotropic cartridge material
AppearanceOpaque white or translucent beige, homogeneous paste
Primary ApplicationsBuilding envelope sealing, façade joints, metal and glass bonding
Key FeaturesNeutral cure, high elongation (>250%), low modulus, UV stable
Shelf Life12 months unopened at ≤25 °C in original packaging
Curing MechanismMoisture-curing at room temperature
Storage ConditionsDry, cool place; avoid freezing and direct sunlight


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