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WEICON Contact Cyanoacrylate Adhesives - are coldcuring one-component adhesives, free of solvents. They quickly polymerise by reacting with moisture both on the surfaces to be bonded and from the air, and cure under light pressure. Provide high structural strength and good levels of resistance to a lot of chemicals. In many instances, the cured bond joint proves to be harder than the material of the bonded parts (material fracture). | |||||||||||
Type Selection Table | |||||||||||
VA 8312 | VA 8406 | VA 1401 | GEL | ||||||||
Metal | + | + | ++ | + | |||||||
Plastic* | ++ | ++ | ++ | + | |||||||
Rubber | ++ | ++ | ++ | + | |||||||
EPDM Elastomers | + | ++ | ++ | ||||||||
Wood | + | + | |||||||||
Balsa-wood | + | + | + | ++ | |||||||
Glass / Ceramic | + | ++ | ++ | ||||||||
Leather | + | ++ | ++ | ||||||||
suitable (+) highly suitable (++) | |||||||||||
In line with the type recommendations above, the bonding of two different materials, like for example metal/rubber and metal/plastic, is also possible. | |||||||||||
WEICON Contact in liquid form | |||||||||||
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| VA 8312 | VA 8406 | VA 1401 | GEL | |||||||
Ester type | Ethyl | ||||||||||
Properties | Particularly suitable for bonding metals, rubber and plastic bonding low odour, low blooming | ||||||||||
Viscosity at +20°C (m.Pas.) Brookfi eld | 20-40 | 20-50 | 100-150 | 60000-90000 | |||||||
Max. gap covering in mm ** | 0,10 | 0,10 | 0,15 | 0,20 | |||||||
Specific gravity at +20°C (g/cm³) | 1,05 | 1,05 | 1,06 | 1,08 | |||||||
Flaxh point acc. to Abel-Pensky DIN 55213 in °C | 87 | ||||||||||
Initial adhesion in seconds | Aluminium 1) | 30-60 | 30-60 | 30-60 | 90-120 | ||||||
Nora Test rubber 2) | 2-10 | < 5 | < 5 | 20-30 | |||||||
Rigid PVC 3) | 5-30 | 2-10 | 2-10 | 40-80 | |||||||
Final strength in hours | 24 | ||||||||||
WEICON Contact in cured state | |||||||||||
Medium combined tension and shearresistance in N/mm² according to DIN 53283 | VA 8312 | VA 8406 | VA 1401 | GEL | |||||||
Sand-blasted steel | 20 | 22 | 22 | 21 | |||||||
Sand-blasted Aluminium | 14 | 16 | 16 | 15 | |||||||
Rigid PVC | 13 | 14 | 14 | 13 | |||||||
ABS | 12 | 13 | 13 | 12 | |||||||
PC | 13 | 13 | 13 | 12 | |||||||
NBR | > 8 (bonding exceeds strength of substrate) | ||||||||||
Temperature resistance | All types from -50°C to approx. +80°C (briefly up to +100°C) | ||||||||||