品类: BOPP白色珠光膜
厚度 / 定量: 3-75μm
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property
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unit
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typical date
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first layer
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third layer
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tensile strength
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MD
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MPa
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≥95
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≥70
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TD
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≥140
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≥120
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elongation
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MD
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%
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≤160
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≤150
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TD
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≤70
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≤60
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heat-shrinking
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MD
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%
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≤5
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≤5
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TD
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≤4
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≤4
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friction-coefficient
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Static
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≤0.7
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≤0.7
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Kinematics
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≤0.7
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≤0.7
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light
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20-24μm
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%
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≤65
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≤65
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25-50μm
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≤60
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≤60
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density
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20-24μm
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g/cm3
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≤0.85
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≤0.80
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25-50μm
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≤0.8
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≤0.75
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surface tention
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mN/m
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≥38
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≥38
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heat-sealing
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N/15mm
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--
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≥1.5
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gloss
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%
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≥60
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≥40 | |
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