Black-Seal Special Silicone

Bonding Technology

Permanent elastic sealant for oil or grease-resistant areas.

WEICON Black-Seal adhesive and sealant is black, high-temperature resistant (+280°C/+536°F), free of solvents, strong, oil-resistant, grease-resistant, pressure-resistant, resistant to ageing and extremely elastic (breaking elongation of approx. 300%).

Black-Seal is suitable for bonding and sealing in applications where particularly high oil and grease resistance is required.

WEICON Black-Seal can be used on gearbox, valve and casing covers, oil sumps, water pumps, gears and axles, flanges, tanks and containers, and in many other areas.

Product Info
Bonding Technology

WEICON products are available worldwide. We run nine international branches and are represented by over 1,200 distribution partners in more than 120 countries.


Which system solution are you searching for?
Metals - anti corrosive surfaces (passive)
Size of application area
cm²-/cm³ range
Liquid Material Systems
1-part systems
1-part systems
silicone (RTV-1)
Temperature resistance <0°C (approx.)
from -60°C
Temperature resistance >0°C (approx.)
above +250°C
Sh-A 21 to 40
Deformation capability
> 300%
Gap filling properties
≤ 5mm
colour spectrum dark
Product Labelling
Curing mechanisms
moisture curing
(Mixed) viscosity
Application Types
dot application
line, bead application
Sector classification
manufacuting industry

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