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

Wacker EL 8801 Ketoxime Silicone Sealant

WackerEL8801KetoximeSiliconeSealantisahigh-performance,acetoxy-curefreecrosslinkingsealantfromWacker’sELseries,offeringexcellentadhesiontoglass,metal,andceramics,fastcuring,lowodor,andoutstandingweatherresistance—idealforconstructionandindustrialbondingapplications.
  • wacker el 8801 ketoxime silicone sealant_3246c012
  • wacker el 8801 ketoxime silicone sealant_3246c012

Features Of Wacker EL 8801 Ketoxime Silicone Sealant

  1. Fast surface cure with ketoxime-based condensation chemistry, enabling efficient production line throughput.

  2. Excellent adhesion to common construction substrates including glass, aluminum, anodized metal, and painted surfaces—without primer in most cases.

  3. Outstanding resistance to weathering, UV radiation, and temperature fluctuations (–40 °C to +150 °C continuous service).

  4. Low modulus elasticity ensures high movement capability (±25 % joint movement) while maintaining long-term seal integrity.

  5. Non-corrosive formulation—safe for use with sensitive metals such as copper, brass, and galvanized steel.

Typical Applications Of Wacker EL 8801 Ketoxime Silicone Sealant

  1. Structural and peripheral glazing in commercial curtain wall systems.

  2. Sealing of aluminum composite panels (ACP) and metal façade cladding joints.

  3. Weatherproofing of window and door perimeter joints in high-rise building envelopes.

  4. Secondary sealing in insulating glass units (IGUs) where non-acidic chemistry is required.

  5. Industrial assembly bonding and sealing in transportation and prefabricated modular construction.

Specifications Of Wacker EL 8801 Ketoxime Silicone Sealant

Chemical TypeKetoxime-cure silicone elastomer
Product FormThixotropic paste, single-component
AppearanceOff-white to light gray, smooth homogeneous paste
Primary ApplicationsBuilding envelope sealing, façade jointing, glazing
Key FeaturesPrimerless adhesion, non-corrosive, UV-stable, high movement capability
Shore A Hardness (7 days, 23 °C/50 % RH)22–26
Tensile Strength (7 days, 23 °C/50 % RH)≥1.8 MPa
Extrusion Rate (25 °C)≈120 g/min (standard nozzle, 310 mL cartridge)


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