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型號 |
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VMPET |
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材質結構（從外到內) |
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BOPET |
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鋁 |
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指標 |
測試方法 |
單位 |
典型數值 |
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厚度 |
GB/T 6672 |
µm |
12 |
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比重 |
GB/T 1033.1 |
g/cm3 |
1.38 |
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拉伸強度 |
MD |
GB/T 1040 |
MPa |
200 |
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TD |
210 |
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斷裂伸長率 |
MD |
GB/T 1040 |
% |
130 |
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TD |
110 |
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光密度 |
X-rite 361 |
/ |
2.0 |
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濕潤張力 |
(鍍鋁面) |
GB/T 14216 |
dyne/cm |
50 |
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(非鍍鋁面) |
48 |
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摩擦系數(非鍍鋁面) |
GB 10006 |
/ |
0.50 |
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氧氣透過量(OTR) |
GB/T 19789 |
ml/㎡.24h |
2.0 |
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水蒸汽透過量(WVTR) |
GB/T 26253 |
g/㎡.24h |
2.0 |
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