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

Wacker ELASTOSIL N198 One-Component Silicone Sealant

Wacker ELASTOSIL N198 is a one-component, platinum-cured silicone sealant offering excellent adhesion to glass, metals and plastics without primer. It cures rapidly at room temperature with low shrinkage, outstanding UV/weather resistance and long-term elasticity—ideal for demanding architectural and industrial bonding applications.
  • wacker elastosil n198 one component silicone sealant_9e86b099
  • wacker elastosil n198 one component silicone sealant_9e86b099

Features Of Wacker ELASTOSIL N198 One-Component Silicone Sealant

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

  2. Excellent adhesion to glass, aluminum, ceramics, and many plastics without primer.

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

  4. UV and weather resistant — maintains performance under prolonged outdoor exposure.

  5. Room-temperature vulcanization (RTV) with consistent skin-over and full cure within 24–72 hours depending on humidity and layer thickness.

Typical Applications Of Wacker ELASTOSIL N198 One-Component Silicone Sealant

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

  2. Automotive assembly: bonding and sealing of trim parts, lighting housings, and interior components.

  3. Electronics encapsulation and protection of sensors, connectors, and PCBs requiring electrical insulation.

  4. Medical device assembly where biocompatibility and low extractables are critical.

  5. Industrial equipment sealing for housings, control panels, and enclosures exposed to thermal cycling.

Specifications Of Wacker ELASTOSIL N198 One-Component Silicone Sealant

Chemical TypeCondensation-curing, one-component, neutral-cure silicone elastomer
Product FormPaste-like, thixotropic paste in cartridges or sausage packs
AppearanceOpaque white or translucent gel, homogeneous consistency
Primary ApplicationsStructural bonding, perimeter sealing, encapsulation, gasketing
Key FeaturesPrimerless adhesion, high elongation (>200%), low modulus, non-corrosive
BenefitsNo acetic acid release, excellent aging resistance, ISO 10993-compliant for biocompatibility (tested)
Cure MechanismMoisture-cured at ambient temperature
Shelf Life12 months unopened at ≤25 °C in original sealed packaging


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *