In today’s competitive food packaging industry, visual clarity and freshness presentation play a decisive role in consumer trust. Condensation or “fogging” on packaging surfaces often blurs product visibility and gives the impression of poor quality. To solve this issue, anti-fog PET plastic sheet has become an increasingly popular material for thermoformed trays, salad lids, bakery clamshells, and ready-meal packaging.

Anti-fog PET sheet for food packaging
Anti-fog PET sheet

Anti-fog PET sheet for food packaging

Anti-fog PET sheet is a transparent polyester plastic sheet that has been specially treated to prevent fogging on its surface.

At DESU Plastic, we specialize in producing high-performance PET, APET, RPET, GAG, and anti-fog PET sheets designed specifically for thermoforming food packaging.

Thickness: 0.18mm – 1.7mm
Width: 250 -1400mm
Color: Transparent, customized
Food Grade Certification: FDA, SGS, EU Approved

What Is Anti-fog PET Sheet?

PET (Polyethylene Terephthalate) is widely recognized for its excellent transparency, toughness, and recyclability. When treated with a specialized anti-fog coating or additive, the PET sheet gains the ability to prevent moisture condensation on the surface. This anti-fog PET sheet ensures that the inside of the package remains clear, even when exposed to temperature differences between storage and display.

The anti-fog effect is achieved by modifying the sheet’s surface tension. Instead of forming water droplets, the moisture spreads evenly into a transparent layer. This simple yet effective mechanism allows packaged food to stay visually appealing—critical for fresh fruits, vegetables, chilled desserts, and ready-to-eat meals.

PropertySpecification
Thickness Range0.18 mm – 1.7 mm
Width RangeUp to 1400 mm
ColorTransparent / Custom
Surface FinishGlossy / Matte
Material TypeVirgin PET / RPET
FDA Food ContactYes
RoHS ComplianceAvailable
Forming TypeVacuum or Pressure Thermoforming
Custom FeaturesAnti-static / Anti-fog / ESD / Conductive PET

Benefits of Using Anti-fog PET Plastic Sheet in Food Packaging

  1. Crystal-clear visibility – Enhances product presentation and consumer confidence.
  2. Improved shelf life – Reduces condensation that can lead to microbial growth.
  3. Food safety compliance – PET materials are non-toxic, odorless, and compliant with FDA and EU food contact standards.
  4. Sustainability – 100% recyclable, aligning with global trends toward eco-friendly packaging.
  5. Thermoforming compatibility – Suitable for both high-speed vacuum forming and automatic sealing lines.
The difference between anti fog sheet and non anti fog sheet

Because of these advantages, anti-fog PET plastic sheet is increasingly replacing PVC and PS in the global food packaging market. It offers not only superior optical performance but also better environmental responsibility.

Applications in the Food Industry

Anti-fog PET sheets are particularly ideal for packaging applications such as:

  • Fresh produce trays and lids
  • Salad bowls and clamshell containers
  • Bakery and dessert packaging
  • Cold-cut and dairy trays
  • Ready-meal and microwaveable packaging

Whether for chilled or heated products, PET’s high impact strength and thermal stability ensure reliable performance during both forming and sealing.

PET sheet type we offer

Types of PETColorMaterialSurface treatment  Width
(mm)
Thickness
(mm)
Density
(g/cm³)
Resistance value
Silicone oil-coated PETAny customized colorPET / R-PETSilicon-coated250-14000.18-1.71.34
Embedded anti-block PETAny customized colorPET / R-PETNon-silicon / Embedded250-14000.18-1.71.34
Anti-fog PETAny customized colorPET / R-PETAnti-fog coating250-14000.18-1.71.34
GAG Sheet  Any customized colorPETG / PETDepends250-14000.18-1.71.34
PET Coating PETAny customized colorPET / R-PETOff-line Coating250-14000.3-1.21.3410^4Ω ~ 10^6Ω
Antistatic PETAny customized colorPET / R-PETOn-line Coating250-14000.18-1.71.3410^9Ω ~ 10^11Ω
Semi-conductive PETAny customized colorPET / R-PETOn-line Coating250-14000.18-1.71.3410^6Ω ~ 10^9Ω
Conductive PETAny customized colorPET / R-PETOn-line Coating250-14000.18-1.71.3410^4Ω ~ 10^6Ω
Print Grade PETAny customized colorPET / R-PETCorona treatment250-14000.18-1.71.34
PET Lamination PEAny customized colorPET / R-PET / PELaminated PE film250-14000.18-1.71.34

About DESU Plastic – Your Reliable PET Sheet Manufacturer

DESU Plastic is a professional manufacturer of PET plastic sheet rolls for thermoforming applications. With advanced extrusion lines and strict quality control, DESU offers a wide range of PET, APET, CPET, GAG, and anti-fog PET sheet rolls in thicknesses from 0.18 mm to 1.7 mm.

Our anti-fog PET sheet products are specially developed for food packaging converters who require high transparency, stable anti-fog performance, and consistent thermoforming quality. DESU’s rolls are suitable for automatic forming machines and heat sealing equipment, ensuring smooth processing and excellent clarity in the final package.

We also provide customized specifications such as color-tinted PET sheets, RPET recycled grades, and anti-scratch coatings, allowing clients to tailor materials for different packaging solutions.

Why Choose DESU Plastic

  • Over 8 years of expertise in PET plastic sheet manufacturing
  • ISO-certified production environment and food-grade materials
  • Stable global supply for packaging, cosmetic, and industrial markets
  • Quick response and professional export service

At DESU Plastic, we are committed to helping packaging companies enhance product value through reliable and sustainable PET materials. Our anti-fog PET sheet rolls deliver both functional performance and aesthetic appeal—making them the smart choice for modern food packaging.

FAQ

  1. Q1: Is anti-fog PET suitable for hot food?

    It’s primarily designed for cold and refrigerated packaging, but special grades can withstand moderate heat forming.

  2. Q2: Can anti-fog PET sheet be used in thermoforming machines?

    Yes. DESU’s PET sheets are compatible with thermoforming and vacuum forming, ideal for food trays, lids, and cups.

  3. Q3: What’s the difference between PET and PETG?

    PETG has higher impact strength and flexibility; PET is stiffer and more suitable for mass thermoforming.

  4. Q4: Do you provide custom sizes or samples?

    Yes, DESU provides custom thickness and width, and free samples for quality testing.

DESU PET sheet roll factory

DESU is an excellent plastic sheet manufacturer in China, mainly developing and producing PET, HIPS, PP and other plastic sheets. The company has 12 co-extrusion production lines imported from Europe, 4 PET coating production lines, a completely dust-free production workshop and is equipped with the most advanced raw material air conveying/drying system and PLC intelligent control system. Our annual output exceeds 40,000 tons, and customers from more than 30 countries around the world have chosen us.

Purchase Notice

Packing wayPacked in roll or flat sheet,50-150kg/roll or according to specific requests from clients.
Packing materialInner PE film+ outer Woven plastic bags as standard, palletized for extra reinforcement if necessary.
Shipping marksNeutral packing with printed marks.
Delivery time7~15 days since receipt of PO and down payment.
FreightSea(FCL & LCL) or air freight.
Special sizeWe provide cutting services for special sizes.
Payment AcceptedD/A, D/P, T/T, L/C, Westunion etc.