Item | NXB200 | NXB300 | NXB350 | NNY150 | NNY250 | NNY300 | NNY350 | ||||||||
Tensile strength MPa≥ | 6.0 | 8.0 | 11.0 | 8.0 | 10.0 | 12.0 | 15.0 | ||||||||
Aging Coefficient ≥ | 0.9 | ||||||||||||||
Densityg/cm³ | 1.8~1.9 | ||||||||||||||
Compressibility % | 12 ± 7 | ||||||||||||||
Normal temperature Pliability | Bend 180 degree on the round column (the column diameter is 12 multiple sample thickness), No crack | ||||||||||||||
Rebound degree | 35 | 40 | 45 | 40 | 45 | 50 | 50 | ||||||||
Worm change Relaxation rate % ≤ | 45 | 45 | 45 | 40 | 40 | 30 | 30 | ||||||||
Dipped in IRM903 oil with 149℃ for 5 hours | Horizontal Strain MPa≥ | ----------------- | 4.0 | 6.0 | 8.0 | 9.0 | |||||||||
Weight increasing % ≤ | ----------------- | 30 | |||||||||||||
Appearance change | ---------------- | No air bubble | |||||||||||||
Dipped in ASTM fuel oil B with 21℃-30℃ for 5 hours | Thickness increasing% | ---------------- | 0~20 | 5~25 | 5~20 | 5~20 | |||||||||
Pliability | Bend 180 degree on the round column (the column diameter is 12 multiple sample thickness),No crack | ||||||||||||||
Cauterization to the metal material | ---------------- | No Cauterization | |||||||||||||
Normal temperature oil Airtightness | Medium pressure MPa | ---------------- | 7.0 | 9.0 | 11 | 12 | |||||||||
Airtightness request | Keep for 30min, no leak | ||||||||||||||
Nitrogen leakage rate [(ml/h.mm)] ≤ | 300 | ||||||||||||||
