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

Wacker ELASTOSIL N2199 One-Component Silicone Sealant

Wacker ELASTOSIL® N2199 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, high elasticity, and outstanding UV/thermal stability—ideal for precision bonding and sealing in electronics, automotive, and medical device assembly.
  • wacker elastosil n2199 one component silicone sealant_b0c134e5
  • wacker elastosil n2199 one component silicone sealant_b0c134e5

Features Of Wacker ELASTOSIL N2199 One-Component Silicone Sealant

  1. Room-temperature curing (RTV) with moisture-sensitive condensation mechanism.

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

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

  4. Low modulus formulation ideal for sealing joints subject to dynamic movement or thermal expansion.

  5. Good resistance to weathering, UV radiation, and ozone exposure.

Typical Applications Of Wacker ELASTOSIL N2199 One-Component Silicone Sealant

  1. Structural and non-structural glazing in architectural façades and curtain walls.

  2. Sealing of expansion and control joints in precast concrete and cladding systems.

  3. Weatherproofing of window and door perimeters in commercial and residential construction.

  4. Joint sealing in transportation applications, including rail vehicle interiors and bus body panels.

  5. General-purpose industrial bonding and sealing where high flexibility and durability are required.

Specifications Of Wacker ELASTOSIL N2199 One-Component Silicone Sealant

Chemical TypeAcetoxy-cure silicone elastomer
Product FormPaste, thixotropic, single-component
AppearanceOpaque white or translucent gel
Primary ApplicationsArchitectural glazing, joint sealing, weatherproofing
Key FeaturesRTV cure, primerless adhesion, high elongation (>200%)
Shore A Hardness (7 days, 23 °C/50% RH)18–22
Tensile Strength (7 days)1.2–1.6 MPa
Storage Stability (unopened, 5–25 °C)12 months


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