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

Wacker POWERSIL N 552 WHITE One-Component Silicone Sealant

Wacker POWERSIL N 552 WHITE is a one-component, neutral-cure silicone sealant offering excellent adhesion to glass, ceramics and metals without primer. It delivers high elasticity, UV resistance and long-term weatherproof performance. Ideal for façade, curtain wall and sanitary applications. Fast surface cure, low VOC, ISO 11600 F20HM compliant.
  • wacker powersil n 552 white one component silicone sealant_35e64cf6
  • wacker powersil n 552 white one component silicone sealant_35e64cf6

Features Of Wacker POWERSIL N 552 WHITE One-Component Silicone Sealant

  1. Neutral-cure, acetoxy-free formulation ensures low odor and excellent compatibility with sensitive substrates.

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

  3. High elasticity and permanent flexibility retain sealing performance under thermal cycling and mechanical stress.

  4. UV-resistant and weatherproof — maintains integrity and appearance after prolonged outdoor exposure.

  5. Fast surface cure (tack-free in ~15–30 min) and full depth cure at room temperature with ambient moisture.

Typical Applications Of Wacker POWERSIL N 552 WHITE One-Component Silicone Sealant

  1. Perimeter sealing of insulating glass units (IGUs) in windows and façades.

  2. Joint sealing in curtain wall systems and architectural aluminum glazing.

  3. Sealing of sanitary installations including bathtubs, showers, and ceramic tile joints.

  4. Interior and exterior expansion joint sealing in commercial and residential buildings.

  5. Non-structural bonding and sealing in prefabricated concrete and metal cladding systems.

Specifications Of Wacker POWERSIL N 552 WHITE One-Component Silicone Sealant

Chemical TypeAcetoxy-cure silicone elastomer (neutral-cure variant)
Product FormPaste, thixotropic, single-component
AppearanceWhite, homogeneous paste
Primary ApplicationsArchitectural glazing, façade joints, sanitary sealing
Key FeaturesLow modulus, high elongation (>200%), non-staining
BenefitsNo primer required on most substrates; ISO 11600:2019 Class 25LM compliant
Curing MechanismMoisture-cured at ambient temperature
Shelf Life12 months unopened in original packaging at ≤25°C


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