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Technical Indicators of PP Flower Blue for EPAK Crystal Wafer Transfer
Main materials: PP, graphite.
2. Physical properties:
1. Specific gravity: 0.97
2. Tensile strength: 24MPa
3. Elongation (%): >10%
4、Tensile modulus：1378MPa
5. Bending Strength: 31MPa
6. Bending modulus: 1250 MPa
7. Impact strength: 25 J/m
8. Softening Point (): 80
9. Melting point (C): 160-165
10. Antistatic value: 104-105 Euros
11. Use temperature below (?) C: 54
3. Chemical properties:
It is resistant to organic solvents below 80 C. Resistance to alkali, weak acid and oxidation acid. At high temperature, it is oxidized, its performance is degraded, and it is degraded by ultraviolet radiation.
IV. Inspection criteria:
1. 25 slots must be smooth, flat, uniform in size, no hairy, no stomata.
2. Shrinkage should not be too deep, let alone perforation.
3. The outside surface of flower basket should be smooth and smooth.
4. Receiving place should be flat without obvious bulge.
5. There are certain arcs at the corners, but no sharp corners.
6. For each large area of the flower basket, the visual material must be uniform and there is no obvious chromatic aberration.
5. Pictures:
1. Physical photos
2、产品尺寸
