Gecko Ultra Seal is a semi closed cell ethylene vinyl acetate copolymer foam with pressure sensitive adhesive backing used for window glazing and curtain wall.
Features
- Fast and easy installation
- Excellent vibration dampening
- Wide temperature range
- CFC, HCFC and fibre free
- Chemical and ozone resistant
- ROHs compliant
- Available in customized shapes and sizes
- Non-toxic and odorless
Application
- Spacer for structural glazing and cladding
- Cut-to-size for windows and door seals
SIZES & AVAILABILITY
| Thickness | Size |
| 6mm | 6mm x 1000mm |
| 6mm | 6mm x 10 meters |
| 6mm | 12mm x 10 meters |
| 6mm | 8mm x 10 meters |
| 8mm | 8mm x 8 meters |
| 8mm | 10mm x 8 meters |
| 8mm | 15mm x 8 meters |
| 8mm | 25mm x 8 meters |
TECHNICAL SPECIFICATION
Material: Ethylene Vinyl Acetate (EVA)
| Test Item | Test Method | Results |
| Hardness | ASTM-D-2240 | 38-42 Shore A |
| Density | ASTM-D-1667 | 0.40-0.45gm/cc |
| Tensile Strength | ASTM-D-882 | 80psi (0.55-0.62 Mpa) |
| Compression force at 12% Deflection | ASTM-D-1667 | 15psi (105Kpa) |
| Tear Strength | ASTM-D-412 | 80-90psi (0.55-0.60 Mpa) |
| Elongation | ASTM-D-882 | 180-190% |
| Thermal Conductivity | ASTM G 23-69 | 0.55 |
| Brittleness Temperature | ASTM-D-746 | < -38°C |
| Ozone Test | ASTM-D-1149 | No Cracking |
| 100% Modulus Retain | ASTM-D-573 | 95.2% |
| Working Temperature Range | ASTM-D-746 | -10°C to 76°C |
| Adhesive Highest Temperature | ASTM-D-746 | 80°C |
| Dimensional Change Under Heat (22 hours under 70°C) – See Note | Vertical Horizontal | -0.54% -0.10% |
Note: Below 76°C, shrinkage of EVA Foam is negligible. Between 76°C to 90°C, shrinkage is predictable. Between 90°C to 110°C, shrinkage show large and erratic variations while above 110°C, shrinkage is considerable and rapid.