Black-Seal Special Silicone

Bonding Technology

extremely resistant against oil and grease

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.


Size of adhesive area
cm²-/cm³ range
1-part systems
silicone (RTV-1)
Sector classification
manufacuting industry
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 of adhesive film
colour spectrum dark
Curing mechanisms
moisture curing
(Mixed) viscosity
Packaging unit
small packaging unit (can, tube, etc.)
cartridge (1- or 2-part)
Degree of automation
manuel application
Application Types
dot application
line, bead application
Liquid Adhesives
1-part systems
Metals - anti corrosive surfaces (passive)

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