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超细纤维皮革和天然皮革物理性能比较
The Different physical properties
Between Micro Fibre And Natural Leathe
性能名称Name | 超细纤维皮革 Micro fibre | 牛皮Cowhide | 牛皮Standards of natural leather |
克重Gram weight(g/㎡) | 700 | 955 | 800-950 |
厚度Thickness(mm) | 1.41 | 1.45 | 1.2-1.45 |
抗张强度Tensile strength(N/c㎡) | 350 | 274 | 320↑ |
伸长率Tensile stretch(%) | 80 | 60 | 40-80 |
撕裂强度Tear strength(N/c㎡) | 70 | 32 | 25↑ |
断裂强度Breaking strength(N/c㎡) | 260 | 161 | 150↑ |
软度Softmess(¢25) | 5 | 5.9 | 4-6 |
耐日晒黄变Resistant to yellow stain of sunshine(常温 4h,30w) | 4-5 | 4 | 4级(grade)↑ |
耐日晒黄变Resistant to yellow stain of sunshine(50℃,24h,30w) | 4-5 | 5 | 4级(grade)↑ |
耐黄变Resistant to yellow(83℃,200h) | 4 | 4 | 3级(grade)↑ |
低温耐折Resistant to break(-20℃,80000) | 无破裂 No break | 破裂Break | 4级(grade)↑ |
耐磨性Resistance to wear(1000g,4000rotation,grade) | 4 | 2(破裂漏底break in the bottom) | 4级(grade)↑ |
雾化值Pulverization value(重量weight,100℃,16h) | 0 | 4 | 3 |
气味Odor | 无 No | 皮革天然气味 (Odor of leather) | 皮革天然气味,不令人难受 Odor of natural leather,endurable |
水份含量Water content(%) | 1.5 | 12 | 8.0-14 |
铭含量Chromium(%) | 0 | 4 | 3.0-4.5 |
油含量Oil(%) | 0 | 12 | 6.0-14.0 |
燃烧性Combustibility(cm/min) | 1.5 | 2 | 10↓ |