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Hot-filled Bottle Grade PET Resin Featured Image
  • Hot-filled Bottle Grade PET Resin

Hot-filled Bottle Grade PET Resin


  • Features and performance: It has high induced orientation, stable crystallinity, easiness to regulate the distribution of wall thickness, low stress release-residue rate of the whole bottle, and stable thermal shrinkage in bottle blowing. In addition, it is the dedicated chips for hot-filled bottles developed and manufactured for medium beverage requiring hot-filling sterilization treatment.
  • Fields of application: Bottles for tea beverage, juice and other media beverage requiring hot-filling sterilization treatment.
  • Main raw materials: PTA, MEG, IPA

    • Product Detail

    Product Tags

    Product Introduction

    Hot-Filled bottle grade polyester chips have been developed and produced specially for hot-filling bottles according to that tea drinks、fruit-juice drinks and other medium type drinks require to be hot bottled for sterilization.

    /application/

    The brand of product features low heavy metal content, low content of acetaldehyde、good color value、 Stable viscosity and good for processing. With a unique process recipe and advanced production technology, the product, when being thermoformed in SIPA、SIDEL、ASB etc. primary bottle-making machines under general conditions, has high tropism rate, stable crystallinity and good fluidity with low stress-releasing rate in the whole bottle, stable thermal contraction rate and high finished product rate in making bottles, can satisfy the requirement of being bottled at about 90°C and protect drinks from discoloration or oxidization in storage period and prevent the deformation of the bottles.

    Techncal Index

    Ttem

    Unit

    Index

    Test method

    Intrinsic Viscosity (Foreign Trade)

    dL/g

    0.800±0.02

    GB17931

    Content of acetaldehyde

    ppm

    <1

    Gas chromatography

    Color value

    L

    —

    >82

    HunterLab

    b

    —

    <1

    HunterLab

    Carboxyl end group

    mmol/kg

    <30

    Photometric titration

    Melting point

    °C

    250 ±2

    DSC

    Water content

    wt%

    <0.2

    Weight method

    Powder dust

    PPm

    <100

    Weight method

    Wt. of 100 chips

    g

    1,55±0.10

    Weight method

    Typical Processing Conditions

    Drying is necessary prior to the melt processing to prevent the resin from hydrolysis. Typical drying conditions are an air temperature of 165-185°C , 4-6 hours residence time, dew-point temperature below -40 0C .

    Typical barrel temperature about 285-298°C .

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