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

Wacker ELASTOSIL N2197 One-Component Silicone Sealant

Wacker ELASTOSIL® N2197 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/heat resistance and long-term elasticity. Ideal for automotive, electronics and architectural sealing applications requiring high reliability and precision.
  • wacker elastosil n2197 one component silicone sealant_4139e6d9
  • wacker elastosil n2197 one component silicone sealant_4139e6d9

Features Of Wacker ELASTOSIL N2197 One-Component Silicone Sealant

  1. Room-temperature vulcanizing (RTV) silicone sealant with excellent adhesion to glass, metals, ceramics, and most plastics without primer.

  2. Neutral-cure chemistry—releases methanol during curing, eliminating corrosive by-products and ensuring compatibility with sensitive substrates.

  3. Outstanding UV resistance and long-term weatherability, maintaining elasticity and integrity under outdoor exposure.

  4. Good flow and tooling characteristics for smooth, bubble-free application and clean joint finishing.

  5. Low modulus formulation provides high flexibility and stress relief in dynamic joints subject to thermal or mechanical movement.

Typical Applications Of Wacker ELASTOSIL N2197 One-Component Silicone Sealant

  1. Structural and perimeter sealing of insulating glass units (IGUs) in architectural façades and windows.

  2. Sealing and bonding in solar photovoltaic module assembly, including frame-to-glass and junction box encapsulation.

  3. Electrical enclosures and LED lighting housings requiring environmental protection and dielectric stability.

  4. Automotive exterior trim bonding and sealing where high elasticity and paint compatibility are required.

  5. General industrial assembly of electronic devices, sensors, and optical components demanding low outgassing and non-corrosive cure.

Specifications Of Wacker ELASTOSIL N2197 One-Component Silicone Sealant

Chemical TypeAcetoxy-free neutral-cure silicone elastomer
Product FormPaste-like, thixotropic one-component sealant
AppearanceOpaque white or translucent gel (color may vary per batch)
Primary ApplicationsNon-structural glazing, electronics encapsulation, solar module assembly
Key FeaturesRTV, low modulus, UV stable, primerless adhesion
BenefitsNo corrosion risk, excellent aging resistance, easy application and tooling
Curing MechanismMoisture-cured at ambient temperature
Shelf Life12 months in unopened original packaging at ≤25 °C


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