Pulixin is an excellent and leading plastic sheet Manufacturer & factory in China. We have advanced technology and equipment, mature foreign trade and export experience, and have established good cooperative relations with customers in more than 60 countries. Free samples supply, OEM & ODM accepted
Parameter | Value range/description |
Thickness | 0.18mm – 1.8mm |
Density | 1.35 g/cm³ – 1.45 g/cm³ |
Heat resistance | -40°C to 220°C |
Crystallinity | High crystallinity (improves heat resistance and dimensional stability) |
Transparency | Translucent to opaque |
Barrier properties | Good gas and water vapor barrier |
Mechanical strength | High tensile and impact resistance |
Food safety certification | Meets food contact safety standards such as FDA and EU |
Chemical stability | Resistant to grease, acid, alkali and alcohol corrosion |
Recyclability | Fully recyclable, environmentally friendly |
Applications | Thermoformed packaging boxes: microwave heating food trays, airline tableware, frozen food packaging, etc. |
High temperature resistance: Safe to use in microwave ovens and ovens.
High mechanical properties: High hardness, strong pressure resistance, suitable for load-bearing packaging.
Sanitary: Meets FDA and EU food grade standards.
Barrier properties: Resistant to water vapor and oxygen penetration, extending the shelf life of food.
Crystallization characteristics: CPET is a crystalline polyester, which is hard and has high rigidity.
Heat resistance: High temperature resistance up to 200°C, suitable for use in high temperature environment.
Impact resistance: Maintains good strength at low temperature, suitable for frozen storage.
Dimensional stability: Minimal deformation when heated, suitable for precision molding.
Chemical stability: Acid and alkali resistant, grease resistant, suitable for contact with food.
Non-toxic: Meets food grade standards, no migration of harmful substances.
Recycling performance: Recyclable, meets environmental protection requirements, but the process is complicated.
Food packaging: ready-to-eat food trays, microwave lunch boxes.
Pharmaceutical industry: high temperature sterilization medical device trays.
Industrial packaging: high temperature chemical product packaging.
Attributes | CPET sheet | PET sheet |
Transparency | Opaque, white after crystallization | High transparency |
Heat resistance | Up to 200°C | About 60–70°C |
Flexibility | Harder | Softer |
Applications | High-temperature food and industrial packaging | Conventional food and consumer product packaging |
Raw material drying: ensure low moisture content to avoid molding defects.
Extrusion process: form sheets through high-temperature extrusion.
Biaxial stretching: improve dimensional stability and mechanical properties.
Heat treatment: crystallization to enhance heat resistance.
Surface treatment: add anti-scratch layer or barrier coating as required.
CPET sheet has important value in food, medicine, industry and other fields due to its unique high temperature resistance and excellent mechanical properties. Compared with ordinary PET sheet, CPET is more suitable for high-performance and high-demand applications and is the core material for future high-end packaging solutions.