推荐回答(1个)
邵氏硬度 D 邵氏硬度 C 邵氏硬度 A 聚合物种类 90 硬塑 86 83 中等硬度塑胶 80 77 74 70 65 95 60 93 98 软塑 55 89 96 50 80 94 42 70 90 38 65 86 橡胶 35 57 85 30 50 80 25 43 75 20 36 70 15 27 60 12 21 50 10 18 40 8 15 30 6.5 11 20 4 8 10 HA和HD的原理是一样的,都是在标准条件一将标准的压针压入标准试样的表面,考察压入的深度来衡量试样的硬度。 a6yYm!
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不同的是压针的形状不同,HA是圆台形的,而HD圆锥形的。所以HA用来测试软塑料或橡胶,HD用来硬塑料和硫化橡胶。 <*b%1,_Q
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好象没有看到它们之间的换算法,只是当HA的测量值大于90时,改为HD型的,而当HD型的读数小于20时就用A型的
不同硬度物质实例: rcmeHQ5s
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20A 30A 40A 50A 60A 70A 80A 90A 50D 60D 70D 80D 90D eDioH($z>
橡皮带-鼠标垫-橡皮戳-橡皮擦-跑鞋鞋底-皮带-电话卡-滑板轮-硬书皮-高尔夫球-电话机-自来水笔-保龄球
正确使用方法和保养常识
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