Differences Between PP, PS, and PET Plastic Trays – How to Choose the Right One for Your Application

Product Info

✅ Why Is Choosing the Right Plastic Tray Material Important?
In packaging, plastic trays play a vital role in protecting products, enhancing presentation, and extending shelf life. Selecting the right material for your tray—based on factors such as heat resistance, clarity, or strength—helps ensure product safety and long-term cost efficiency.

🔎 Comparing Properties of Different Plastic Tray Materials

1. PP Trays (Polypropylene)

> Key Features:
- High heat resistance (up to 120°C)
- Highly flexible and impact-resistant
- Resistant to chemicals and oils
- Recyclable and food-contact safe

> Ideal Applications:
- Automotive Industry: For metal or plastic parts such as clips, covers, or interior components
- Electronics Industry: For packing sensors or ICs requiring shock absorption
- Food & Cosmetics: Used as inner trays or covers that must resist heat and chemical exposure
- Microwaveable Products or Sterilization Processes: Suitable for use in heat-based applications

2. PS Trays (Polystyrene)

> Key Features:
- Lightweight and cost-effective
- Ideal for short-term or single-use purposes
- Smooth surface for easy printing or logo marking

> Ideal Applications:
- Electronics Industry: For light parts like PCBs that don't require high shock resistance
- Precision Components: As sorting trays in assembly lines or for QC processes
- Exhibitions and Trade Shows: For showcasing product prototypes with a focus on low weight and low cost
- Food Industry: As trays for dry snacks or products not intended for microwave use

3. PET Trays (Polyethylene Terephthalate)

> Key Features:
- High transparency and impact resistance
- Excellent moisture and gas barrier
- Easy to recycle and eco-friendly

> Ideal Applications:
- Clear Packaging: Transparent boxes or lids that showcase products like semiconductors or cosmetics
- Electronics Industry: Carrier tapes for SMD, IC components requiring precise arrangement
- Food & Beverage Industry: Water bottles or food trays designed to highlight the product and prevent contamination
- Precision Parts Manufacturing: Suitable for ceramic or metal components that require shape stability

🏭 Recommended Supplier for Plastic Trays and Industrial Packaging Solutions

📍 USHIWAKA (THAILAND) CO., LTD.
A trading company that serves as a link between clients and manufacturers. USHIWAKA specializes in selecting high-quality producers and offering flexible solutions to meet specific industrial needs.

Services include:
- Sourcing and coordination for plastic trays and thermoformed packaging (Vacuum & Pressure Forming)
- Support for electronics, automotive, food, and general packaging industries
- Design coordination using 2D/3D CAD files
- End-to-end service—from procurement to delivery
- Suitable for both low-volume and high-volume production requirements

Interested in our products or requesting a quote?
Feel free to contact the team at USHIWAKA (THAILAND) CO., LTD. for more information or assistance!

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