UEJN807-Weathering sealant mastic
UEJN-807 is solid butyl rubber mastic provides
aggressive adhesion to most surface and conforms
to irregular contour. Effective seal against moisture,
air and dust for use in construction, automotive
applications offering a host of benefits including
ease of use.
aggressive adhesion to most surface and conforms
to irregular contour. Effective seal against moisture,
air and dust for use in construction, automotive
applications offering a host of benefits including
ease of use.
Feature
• Low temperature flexibility, exceptional long-term ageing characteristics, conformability.
• Superior adhesion to a variety of substrates such as glass, metal, wood, ceramic, concrete, masonry and some plastics.
• It is widely used in antenna system.
Standard size
• 63mm×3.175mm×0.6m
• 30mm×5mm×1m
• Other sizes can be available upon to request
Applications
• Sealing and waterproof for telecommunication joint, antenna system.
• Cross reference: 3M 2166#.
Technical data
| Technical specification | Typical value |
| Physical and chemical properties | |
| Color | Black |
| Thickness | 3.175mm |
| Working temperature | -40°C to 55°C (-40°F to 131°F) |
| Water absorption | <0.05% |
| Flexibility | -40°F, >50%; 0°F, >160%; 77°F, >170% |
| Heat resistance | |
| 85°C/185°F 24hr | No flow |
| 65°C/149°F 4hr | No flow |
| Water and gas penetration | 0.1g/100in2/24hr |
| Oxygen index: 55pphm×70hr | No cracking |
| Anti-UV | |
| 60±3°C 4hr radiation | No cracking, no color change |
| 60±3°C 4hr condensation | No cracking, no color change |
| Xenon light for 6 loops | Pass |