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

Wacker ELASTOSIL 5200 One-Component Silicone Sealant

Wacker ELASTOSIL 5200 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 superior weather/UV resistance—ideal for precision bonding and sealing in electronics, automotive and medical device assembly.
  • wacker elastosil 5200 one component silicone sealant_92c24830
  • wacker elastosil 5200 one component silicone sealant_92c24830

Features Of Wacker ELASTOSIL 5200 One-Component Silicone Sealant

  1. Room-temperature vulcanizing (RTV) silicone sealant with moisture-cure mechanism for easy, tool-free application.

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

  3. High elasticity and permanent flexibility — maintains >300% elongation at break after full cure.

  4. Outstanding resistance to weathering, UV radiation, ozone, and extreme temperatures (–50 °C to +180 °C).

  5. Low volatile organic compound (VOC) content, compliant with stringent indoor air quality requirements.

Typical Applications Of Wacker ELASTOSIL 5200 One-Component Silicone Sealant

  1. Structural glazing and façade sealing in architectural curtain wall systems.

  2. Sealing of insulating glass units (IGUs) in windows and skylights.

  3. Joint sealing in prefabricated concrete and metal cladding panels.

  4. Sealing of HVAC ductwork, ventilation components, and cleanroom perimeters.

  5. General industrial assembly and bonding where high durability and thermal stability are required.

Specifications Of Wacker ELASTOSIL 5200 One-Component Silicone Sealant

Chemical TypeAcetoxy-cure, RTV-1 silicone elastomer
Product FormPaste-like, thixotropic paste in cartridges (310 mL standard)
AppearanceOpaque white or translucent beige, homogeneous paste
Primary ApplicationsArchitectural glazing, IGU secondary seal, façade joints
Key FeaturesPrimerless adhesion, high movement capability (±25%), non-staining
Shore A Hardness (7 days, 23 °C/50% RH)25–30
Cure Depth (24 h, 23 °C/50% RH)Approx. 3–4 mm
VOC Content<10 g/L (EN ISO 11890-2)


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