TPEE G4778杜邦---G4778 physical property table
Basic performance rating unit test method
24 h water absorption 2.3% ASTM d-570
Test method of physical performance rating unit
Taber abrasion (cs-17 wheel) 12 mg / 1000rev ASTM d-1044
Melt flow rate 13 g / 10min ASTM d-1238
Taber abrasion (H 18 wheel) 162 mg / 1000rev ASTM d-1044
Specific gravity: 1.20 ASTM d-792
Mechanical properties - rating units - Test methods
Initial tear resistance: 91 kn / M ASTM d-1004
Kneading modulus (23 ℃) 117 MPa ASTM D-790
Tensile force at break: 20.7 MPa ASTM d-638
Elongation at break 300% ASTM d-638
Hardness tester hardness: 47 ASTM d-2240
IZO impact strength (23 ℃) non rupture J / M ASTM d-256
Tensile force ASTM d-638
5.0 MPa
7.0 MPa
Thermal performance rating unit test method
Thermal distortion temperature ASTM d-648
(@0.5Mpa) 80 ℃
(@0.18Mpa) 46 ℃
Melting point: 208 ℃ ASTM d-3418
Vicat softening point is 175 ℃ ASTM d-1525
Other performance rating unit test methods
The results show that the resistance to rolling and bending notch growth is more than 1 × 10 ASTM d-1052