RUBBER SKI-3S Ex RUSSIA

Mooney viscosity ML1+4(100℃)（门尼粘度）          

1 group（1群）                                                   78-84

2 group（2群）                                                  61-71

Mooney viscosity scatter inside the buthe batch（批内门尼粘度分散）    8

Elasticity reduction after plasticity test,mm max（塑性后弹性减少）    

1 group（1群）                                                   1,9

2 group（2群）                                                   1,5

Tensile strength,MPa,(kgf/cm2),min（抗张强度）

1 group at 23℃（23℃1群）                                    30,4(310)

2 group at 23℃（23℃2群）                                  30,4(310)

1 group at 100℃（100℃1群）                                21.6(220)

2 group at 100℃（100℃2群）                                21.6(220)

Drying loss,%,max（烘干损失）                               1,2

Antioxidant by weight,%（抗氧化剂）

Agidol-1                                                     0,5-1,3

Agidol-2,or Lavinox 22M-46,Ralox-46                          0,2-0,6

Ash by weight,%,max（灰份，不超过）                        0,35

Metal by weight,%,max（金属，不超过）

Iron（铁）                                                   0,003

Titanium（钛）                                               0,05

Stearic acid,Wt,%（硬脂酸）                                  0,5-1,5

         笫一个问题有些看不明白因为天然橡胶和合成胶统称为橡胶只不过是天然橡胶是从树上采集加工而成合橡胶是从石油煤碳等原料而来具体特性天然胶加工性能较好综合物性好合成胶品种较多品种和规格不同物性以及其它性能也不一样合成胶具有耐热耐低温抗老化耐油耐某些化学药品等优异性能天然胶是制造轮胎输送带V带 。