ASTM D2000 BC类
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类别 |
ASTM D2000 BC类 |
胶种类型 |
CR |
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配方编号 |
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检测项目 |
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A |
测试条件 |
常规物性 |
单位 |
测试方法 |
典型值典型值典型值典型值 |
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23±2°C |
硬度(Hardness) |
邵氏A(Shore A) |
GB/T531 |
50 |
60 |
70 |
80 |
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拉伸强度(Tensile strength) |
兆帕(Mpa) |
GB/T528 |
11.8 |
12.5 |
13.2 |
12.4 |
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扯断伸长率(Elongation at Break) |
% |
613 |
532 |
467 |
280 |
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M300%定伸应力(300%Modulus) |
兆帕(Mpa) |
5.9 |
6.7 |
9.6 |
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撕裂强度(Tear Strength) |
KN/M |
GB/T529 |
32 |
37 |
40 |
35 |
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比重(Specific Gravity) |
g/cm3 |
GB/T533 |
138 |
1.42 |
1.44 |
1.46 |
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B |
(100°Cx22Hx25%) |
压缩永久变形(Compression set) |
% |
GB/T7759 |
33 |
30 |
31 |
32 |
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C |
热空气老化(Heat aging resistance ) |
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100°Cx 70H |
硬度变化(Change in hardness) |
邵氏A(Shore A) |
GB/T3512 |
9 |
7 |
6 |
5 |
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拉伸强度变化率 (Change in Tensile strength) |
% |
7 |
4 |
-6 |
-10 |
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扯断伸长率变化率 (Change in Elongation at Break) |
% |
-21 |
-16 |
-15 |
-18 |
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D |
耐油性能测试(Fluid resistance ) 901#Oil |
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100°Cx70H |
硬度变化(Change in hardness) |
邵氏A(Shore A) |
GB/T1690 |
4 |
5 |
4 |
3 |
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拉伸强度变化率 (Change in Tensile strength) |
% |
-23 |
-18 |
-17 |
-20 |
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扯断伸长率变化率 (Change in Elongation at Break) |
% |
-21 |
-16 |
-19 |
-18 |
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体积变化(Change in volume) |
% |
5.8 |
7.5 |
4.3 |
6.4 |
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E |
耐油性能测试(Fluid resistance ) 901#Oil |
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100°Cx 70H |
硬度变化(Change in hardness) |
召C氏A(Shore A) |
GB/T1690 |
-10 |
-16 |
-19 |
-23 |
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拉伸强度变化率 (Change in Tensile strength) |
% |
-57 |
-46 |
-41 |
-40 |
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扯断伸长率变化率 (Change in Elongation at Break) |
% |
-46 |
-38 |
-27 |
-30 |
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体积变化(Change in volume) |
% |
42 |
49 |
58 |
63 |
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F |
(40°Cx72Hx 50PPHMx20%) |
耐臭氧性能(Ozone resistance) |
不龟裂 (NO Crack) |
GB/T7762 |
无龟裂 |
无龟裂 |
无龟裂 |
无龟裂 |
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G |
(-40°Cx3MIN) |
耐低温脆性(low temperature brittleness) |
<-35°C |
GB/T1682 |
-45 |
-42 |
-40 |
-35 |
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