WEICON Black-Seal – black, high-temperature sealing adhesive. Extremely resistant to oils and greases, pressure, high and low temperatures and ageing. Very flexible. Used for gluing and sealing components in gearboxes, valve covers, gears, oil pans, tanks, flanges, etc. Solvent-free.
Technical data:
| Base | 1 K.-Polysiloxane (acetate) |
| Density | 1.06 g/cm³ |
| Consistency | paste |
| Stability, flow (ASTM D 2202) | >1 mm |
| Application temperature | +5°C to +35 °C |
| Curing type | ambient humidity |
| Curing conditions | +5°C to +40°C and 30% to 95% air humidity |
| Skin formation after | 7 min. |
| Curing speed (first 24 h) | 2 -3 mm |
| Volume change (DIN 52451) | -9 % |
| Maximum gap | 5 mm |
| Shore hardness A | 30 |
| Breaking elongation (DIN 53504) | 500% |
| Tensile strength | 2.2 N/mm² |
| Tensile stress at 100 % | 0.7 N/mm² |
| Breaking strength | 4.0 N/mm² |
| Specific resistivity | 2.5 x 10^15 Ohm/cm |
| Dielectric strength | 21 kV/mm |
| Thermal conductivity | 0.3 W/m K |
| Paintable | no |
| Building material category (DIN 4102) | B 2 |
| Thermal resistance | -60°C to +280°C, short-term (up to 2 h): +300 °C |
| ISSA-Code | 75.634.24/25/26 |
| IMPA-Code | 81 52 84/85/86 |
| Shelf life after opening | 12 months |
