Feature: | Polyethylene Terephthalate Pet Resin |
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Material: | Polyethylene Terephthalate/PET |
Usage: | General Plastics, Engineering Plastics, Specialty Plastics, Bottle Grade |
Color: | White |
Appearance 2: | White Guanules Plastic Granule |
Key Words: | Water Bottle |
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Project
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Unit
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For food packaging
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Non-food packaging use
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Copolymerization
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Homopolymerization
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Premium
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Qualified product
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Premium
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Qualified product
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Qualified product
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1
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Intrinsic viscosity
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dL/g
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M1±0.015
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M1±0.020
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M1±0.015
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M1±0.020
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M1±0.020
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2
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Acetaldehyde content
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ug/g
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≤1.0
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-
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3
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Chroma
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b value
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|
≤2.0
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≤3.0
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4
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L value
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≥80
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5
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Diethylene glycol content (mass fraction)
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%
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M2±0.2
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M2±0.3
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M2±0.2
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M2±0.3
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M2±0.3
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6
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Carboxyl terminal content
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mmol/kg
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≤35
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7
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Melting point (DSC method)
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ºC
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M3±2
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8
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Granular appearance
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powder
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mg/kg
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≤100
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9
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Heterochromatic particles
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Grain/500g
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≤1
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≤1
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≤1
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10
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Moisture (mass fraction)
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%
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≤0.4
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11
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density
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g/cm³
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M4±0.01
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12
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Ash (mass fraction)
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%
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≤0.08
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Note 1: In the items in this table, the acetaldehyde content requirements are mandatory, and the rest are recommended. Note 2: M1, M2, M3, and M4 are the nominal values of this indicator for each grade of product. |
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