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复合橡胶垫板产品型号规格
复合橡胶垫板型号有:7a-1(38kg/m)复合橡胶垫板,7a-2(43kg/m&QU70)复合橡胶垫板,7a-3(50kg/m&QU80)复合橡胶垫板,7a-4复合橡胶垫板,7a-5(QU100)复合橡胶垫板,7a-6(QU120)复合橡胶垫板.zmjt062
复合橡胶垫板性能参数
用途:适用于钢轨弹条型扣件
材料:氯丁、顺丁、天然橡胶
理论重量: 0.404kg
硬度:邵尔A型硬度:73-82度
其他物理性能: 拉伸强度≥12.5MPa。
扯断伸长率:≥250%。
200%定伸应力:≥9.5MPa。
阿克隆磨耗:≤0.6cm3/1.61km。
工作电阻:≥106Ω。
热空气老化:(100℃ 72h)≥10MPa。
压缩变形:(100℃ 24h)≤25%。
静刚度:55-80kN/mm。
外观质量: 表面应光滑平整、修边整齐;不允许存在缺角;杂质、气泡、水纹、闷气造成的缺胶面积不大于9mm2深度不大于1mm,不超过两处;工作面不允许有海绵,飞边不大于3mm。
特殊性能:可根据要求提供耐寒胶板
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