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丁二烯橡膠BR9000（順丁橡膠）
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優等品技術指標(BG/T 8659-2018): |
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項目 Specification |
指標 Index |
檢測方法 Method |
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外觀 Appearance:
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無色半透明，初級形狀為塊狀，不含焦化顆粒、油污和機械雜質。 Light, translucent, the primary shape is block. Not contain any coking particles, oil stain and mechanical impurities. |
目測 Visual
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揮發分 Fugitive Constituent |
≤0.5% |
GB/T 24131.1 |
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灰分 Ash Specification |
≤0.2% |
GB/T 4498.1 |
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生膠門尼粘度 Mooney viscosity ML(1+4), 100℃ |
45±4 |
GB/T 1232.1 |
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混膠門尼粘度 Mix mooney viscosity ML(1+4),100℃ |
≤65 |
GB/T 1232.1 |
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300%定伸應力MPa 300%Tensile Stress 145℃ |
25min |
7.0-12.0MPa |
GB/T 528 |
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35min |
8.0-13.0MPa |
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50min |
8.0-13.0MPa |
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拉伸強度 Tensile strength 145℃, 35min |
≥13.2MPa |
GB/T 528 |
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拉斷伸長率 Elongation at break 145℃, 35min |
≥330% |
GB/T 528 |
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