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Xuzhou Tianrun Chemical Co., Ltd.
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PVC
SPECIFICATION OF PVC RESIN
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Number
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Item
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High-class grade
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First-class grade
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Up to standard
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1
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Mucosity (ml/g) or K value
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118-107
(68-66)
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2
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Impurity number (number<=)
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16
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30
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90
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3
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volatile content %<=
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0.4
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0.4
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0.5
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4
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Apparent density g/ml>=
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0.45
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0.42
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0.40
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5
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remain(testing sieve)%
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0.25mmsieve<=
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2.0
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2.0
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8.0
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0.063mmsieve>=
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90
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90
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80
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6
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“fish eye” number
(number/400cm2<=)
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20
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40
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7
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100g resin platicizer absorbency(g>=)
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20
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19
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8
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white degree (160â after 10min)%<=
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74
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9
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Rudimental chloroethyeue monomer ppm<=
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10
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10
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