PET CR‑8816 is a bottle-grade polyethylene terephthalate resin produced by China Resources, primarily used for manufacturing plastic bottles for purified water, natural mineral water, distilled water, and other beverages. This resin is designed for excellent transparency, high mechanical strength, stable processing performance, and compliance with food contact safety standards, making it ideal for beverage packaging applications.

Parameter

Unit

Typical Value / Description

Intrinsic Viscosity (I.V.)

dL/g

Approx. 0.806 ± 0.020

Diethylene Glycol (DEG) Content

%

~1.40 ± 0.30

–COOH End Group Content

mmol/kg

≤ 35

Acetaldehyde (AA) Residue

µg/g

≤ 1.0

Melting Point

°C

≥ 240 °C (sometimes 249 °C)

Density

g/cm³

~1.40 ± 0.01

Moisture Content

%

≤ 0.2%

Impurities / Powder

mg/kg

≤ 100 mg/kg

Main Features of PET CR‑8816

  • High Transparency & Aesthetic Appeal: Produces visually clear and attractive bottles.
  • Strong Mechanical Properties & Processability: Excellent impact resistance and thermal stability, suitable for blow molding, injection molding, and sheet/film processing.
  • Food-Grade Compliance: Safe for bottled water and other beverage packaging.
  • Environmental Stability: Resistant to hydrolysis and chemical degradation, ensuring bottle integrity during storage and transport.

Typical Applications

  • Bottled Water Products: Purified water, natural mineral water, distilled water, and beverages.
  • Food & Beverage Packaging: Any transparent container requiring high visual clarity and food-grade safety.
  • PET Processing Applications: Blow-molded bottles, injection-molded parts, sheets, and films (depending on formulation).
  • Medium to Large Bottles: While mainly designed for standard beverage bottles, PET CR‑8816 can sometimes be used for larger bottles (e.g., 3–5 gallon water bottles) if production parameters allow.

Purchasing & Usage Recommendations

  1. Quality Certification: Ensure supplier provides food contact safety certificates and test reports.
  2. Key Parameters: Intrinsic viscosity (I.V.), –COOH, and AA levels affect blow molding performance, bottle strength, and transparency.
  3. Processing Conditions: Drying temperature, preform conditioning, blow molding pressure, and cycle time should be optimized for best bottle quality.
  4. Storage & Transportation: Keep dry, ventilated, and protected from sunlight and high temperatures; typically packaged in bags or bulk bags.
  5. Sustainability Considerations: For recycling or reuse, confirm compatibility with PET recycling processes and regulatory compliance.

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