Physical properties |
Project | VALUE | Typical value | UNIT | Metho d |
Density | ≤1.25 | 1.12 | g/cm3 | GB-T 1033 |
Hardness (6mm plate) | 55±3 | 55 | Shore Hardness D | GB/T 2411 |
Low temperature brittleness temperature (-40℃) Failure number | ≤15/30 | 0/30 | 个 | GB/T 5470 |
Mechanical properties |
Performance after aging175℃×240h |
Tensile strength retention rate | ≥70 | 102 | % | GB/T 2951.12 |
Elongation at break retention rate | ≥70 | 85 | % | GB/T 2951.12 |
Winding | Not penetrated | Not penetrated | / | ISO6722 |
Withstand voltage | Not penetrated | Not penetrated | / | ISO6722 |
Performance after aging150℃×3000h |
Winding | Not penetrated | Not penetrated | / | ISO6722 |
Withstand voltage | Not penetrated | Not penetrated | / | ISO6722 |
Flame retardant and combustion performance |
Flame retardant | 45°angle anti-flame | 45°angle anti-flame | / | GB/T25087/ISO14572 |
Solvent resistance(Change rate of diameter) |
Gasoline resistance (ISO1817C, 23°C, 20h) |
Outer diameter change rate | ≤15 | 12.6 | % | GB/T25087/ISO14572 |
Diesel resistant (90% ISO1817 3# oil + 10% p-xylene, 23°C, 20h) |
Outer diameter change rate | ≤15 | 2.3 | % | GB/T25087/ISO14572 |
Engine oil resistant (ISO1817 2# oil, 50℃, 20h) |
Outer diameter change rate | ≤15 | 3.1 | % | GB/T25087/ISO14572 |