K-3390AU-3 for high transparent mobile cover
◆ Description
K-3390AU-3 is a polyester thermoplastic polyurethane elastomer with a hardness of Shore 92A. It is suitable for injection molding, extrusion and blending. Typical applications include: shoe material, mobile phone sheath, etc
◆ Technical data
Item | Test method | Unit | Result |
Hardness |
ASTM D2240 Shore A 92 ASTM D2240 Shore D 49 |
||
Density | ASTM D792 | g/cm3 | 1.2 |
100% modulus | ASTM D412 | MPa | 10.0 |
300% modulus | ASTM D412 | MPa | 20.0 |
Tensile strength | ASTM D412 | MPa | 38.0 |
Tear strength | ASTM D624 | N/mm | 140.0 |
Elongation at break | ASTM D412 | % | 500 |
DIN abrasion loss | ASTM D1044 | mg | 40 |
Process temp. | °C | 190~205 |
Package
25Kg/bag
Process advisement (Dry the granules 3-4 hours at 80-90℃ before using)
◆ Dry condition
Hardness Time Circulating air dryer Dehumidifying dryer | |||
Less than 90A Higher than 90A |
2~3 hours 2~3 hours |
100~110°C 100~120°C |
80~100°C 90~110°C |
◆ Storage
It must be stored in a dry and cool place to prevent moisture absorption and sun exposure. Safety data refer to MSDS