1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 10 14 Revised Updated insulation cured 15 min at 163 C) 3.4.1 Conductor Insulation (EPDM) Aged 70 h As recd at 177 +/- 2 C Tensile Strength, psi (MPa), min 900 (6.21) 850 (5.86) Elongation, % min 250 95
2、 Hardness, Durometer “A“ 70 85 90 max Hardness Change, max - +7* Dielectric Strength, V/mil 550 (21.7) 550 (21.7) (kV/mm), min 3.4.2 Outer Jacket (Silicone) Aged 70 h at 205 +/- 2 C Tensile Strength, psi (MPa), min 850 (5.86) 750 (5.17) Elongation, % min 150 100 Hardness, Durometer “A“ 65 80 90 max Hardness Change, max - +15* Dielectric Strength, V/mil 500 (19.7) 500 (19.7) (kV/mm), min *The change shall not exceed the hardness requirement.
