TPEE 8238杜邦---Specification level: high temperature resistance
Application: hose, wire, cable sheath, gear and sprocket, oilfield production.
Note: characteristics: the highest applicable temperature, the best resistance to oil, fuel and solvent. Lowest fuel permeability.
8238 physical property table
Other performance rating unit test methods
Taber abrasion (H 18 wheel) 20 mg / 1000rev ASTM d-1044
Basic performance rating unit test method
24 h water absorption 0.3% ASTM d-570
Test method of physical performance rating unit
Specific gravity: 1.28 ASTM d-792
Taber abrasion (cs-17 wheel) 9 mg / 1000rev ASTM d-1044
Melt flow rate: 12.5 g / 10min ASTM d-1238
Mechanical properties - rating units - Test methods
Elongation at break 350% ASTM d-638
Initial tear resistance 253 kn / M ASTM d-1004
Hardness tester hardness 82 ASTM d-2240
EZO impact strength (23 ℃) 40 J / M ASTM d-256
Tensile force ASTM d-638
27.6 MPa
30.3 MPa
Kneading modulus (23 ℃) 1210 MPa ASTM D-790
The tensile force at break is 48.3 MPa ASTM d-638
Thermal performance rating unit test method
Thermal distortion temperature ASTM d-648
(@0.18MPa) 55 ℃
(@0.5MPa) 140 ℃
Vicat softening point 212 ℃ ASTM d-1525
Melting point 223 ℃ ASTM d-3418
Other performance rating unit test methods
Resistance to rolling notch growth n / a ASTM d-1052