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

Wacker ELASTOSIL 4100 One-Component Silicone Sealant

Wacker ELASTOSIL 4100 is a one-component silicone sealant offering excellent adhesion to glass, metal and plastics without primer. It cures rapidly at room temperature via moisture absorption, delivering high elasticity, UV resistance and long-term weather stability. Ideal for architectural glazing and industrial bonding applications requiring reliable, low-odor silicone performance.
  • wacker elastosil 4100 one component silicone sealant_72f9d496
  • wacker elastosil 4100 one component silicone sealant_72f9d496

Features Of Wacker ELASTOSIL 4100 One-Component Silicone Sealant

  1. Room-temperature vulcanizing (RTV) silicone sealant with moisture-cure chemistry for reliable, on-site curing without mixing.

  2. Excellent adhesion to common substrates including glass, aluminum, stainless steel, and many plastics—without primer in most cases.

  3. High elasticity and permanent flexibility over a wide temperature range (–60 °C to +200 °C).

  4. Good resistance to UV radiation, ozone, and weathering—maintains performance in outdoor applications.

  5. Low volatile organic compound (VOC) content, compliant with stringent environmental and occupational health requirements.

Typical Applications Of Wacker ELASTOSIL 4100 One-Component Silicone Sealant

  1. Sealing and bonding of façade elements in architectural glazing systems.

  2. Joint sealing in curtain wall and structural glazing assemblies.

  3. Encapsulation and potting of electronic components requiring thermal stability and electrical insulation.

  4. Sealing of HVAC ductwork and industrial enclosures exposed to thermal cycling.

  5. Bonding and sealing in transportation interiors—including rail and bus cabin panels and trim.

Specifications Of Wacker ELASTOSIL 4100 One-Component Silicone Sealant

Chemical TypeAcetoxy-cure silicone elastomer
Product FormPaste-like, thixotropic paste in cartridge or sausage pack
AppearanceOpaque white or translucent gray, homogeneous paste
Primary ApplicationsStructural and non-structural sealing & bonding in construction and industrial assembly
Key FeaturesOne-component, RTV, primerless adhesion, high elongation (>300%)
BenefitsEasy handling, no mixing required, fast surface cure (2–4 mm/day), excellent long-term durability
Storage Stability12 months unopened at ≤25 °C in original sealed packaging
Standards ComplianceMeets EN ISO 11600:2019 (F 25 LM); tested per ASTM C920 Type S, Grade NS, Class 25


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