PP plastic trays are becoming the top choice across industries thanks to their durability, safety, and versatile applications. However, selecting the right PP plastic tray in terms of size, thickness, and functionality is not always easy. This article will share practical tips to help you identify your needs, compare essential criteria, and choose the most suitable product — ensuring long-term efficiency and cost savings. Join SIAM Brothers VN to explore smart ways to select PP plastic trays, making a one-time investment that lasts in any environment.
1. What is a PP Plastic Tray? Key Identification Features
A PP plastic tray is manufactured from Polypropylene (PP) – a thermoplastic material known for being lightweight, durable, food-safe, and recyclable. Thanks to its heat resistance, chemical resistance, and eco-friendliness, PP is widely used in fisheries, agriculture, household goods, and industrial applications.
1.1. Material & Structure
- Made from virgin or high-quality recycled PP resin.
- Strong structure, resistant to cracking even under heavy load.
- Corrosion-resistant when in contact with seawater, fertilizers, or cleaning agents.
1.2. Identification Markings
- Recycling symbol number 5 inside a triangle, usually embossed or engraved at the bottom.
- Matte or semi-transparent surface, moderate gloss, odor-free.
1.3. Outstanding Properties
- Heat resistance: Suitable for both high temperatures (up to 100°C) and cold storage.
- Food safety: BPA-free, compliant with FDA and EU standards.
- Chemical resistance: Withstands contact with oils, mild acids, and alkalis without deformation.
- Eco-friendly: Reusable and recyclable, helping reduce plastic waste.
1.4. Common Applications
- Fisheries: Storing seafood, bait, and fishing gear.
- Agriculture: Seedling trays, produce storage.
- Household: Food storage and daily use containers.
2. Key Factors When Choosing a PP Plastic Tray
2.1. Tray Size
- Select size according to use: food storage, agricultural produce, or tools.
- In fisheries and agriculture, large-capacity trays with high walls are recommended.
- Ensure the tray fits storage space or equipment.
2.2. Thickness & Durability
- Standard PP trays range from 1.5mm to 3mm thick, offering good strength and stability.
- For harsh environments like offshore fishing or factories, opt for impact-resistant trays.
2.3. Plastic Material Quality
- Choose virgin PP for food safety and durability.
- Avoid low-quality mixed plastics that are brittle and break easily.
- Check certifications (FDA, EU) if used for food.
2.4. Heat & Chemical Resistance
- Trays should withstand temperatures from -20°C to 100°C for versatile use.
- Opt for salt- and mild acid-resistant trays for fisheries or chemical storage.
2.5. Design & Usability
- Trays with strong handles and anti-slip surfaces make handling easier.
- Stackable designs save warehouse space.
- Color-coded trays allow easier product classification and management.
3. Benefits of Choosing High-Quality PP Plastic Trays
3.1. Superior Durability
- Strong load-bearing capacity, resistant to cracking under heavy impact.
- Maintains shape even in harsh outdoor conditions or extreme temperatures.
3.2. Safety for Users
- Made from virgin PP resin, compliant with food safety standards.
- Free from harmful chemicals, suitable for storing food, agricultural products, and consumer goods.
3.3. Chemical & Weather Resistance
- Resistant to seawater corrosion, mild acids, alkalis, and common solvents.
- Ideal for fisheries, agriculture, and food-processing environments.
3.4. Easy to Clean & Maintain
- Smooth surface prevents dust and bacteria build-up.
- Easy to wash and reuse multiple times without reducing quality.
3.5. Long-Term Cost Savings
- Long service life reduces replacement frequency.
- Helps optimize budgets for both businesses and households.
4. Comparison of PP Plastic Trays Across Industries
| Industry |
Key Features |
Advantages |
| Fisheries |
Resistant to seawater corrosion & UV rays; durable outdoors |
Suitable for seafood, bait, and fishing gear; easy to clean, prevents salt deposits |
| Agriculture |
Strong load resistance, no deformation under heavy weight |
Ideal for vegetables, fruits, seeds, fertilizers; reduces damage during transport |
| Food & Processing |
Virgin PP, food-safe; excellent heat resistance |
Suitable for fresh or processed food; safe for freezing; ensures hygiene |
| Industrial & Warehousing |
Heavy load capacity, stackable design; resistant to oils and mild solvents |
Ideal for storing parts, tools, and raw materials; keeps warehouses organize |
Note: Before purchasing PP plastic trays, identify your environment and purpose of use to choose the right type, avoid waste, and extend product lifespan.
5. Frequently Asked Questions (FAQ) About PP Plastic Trays
5.1. Can PP plastic trays be recycled?
Yes. PP plastic is classified as plastic type No. 5 and is fully recyclable, helping reduce plastic waste and protect the environment.
5.2. Do PP plastic trays become brittle over time?
If exposed to direct sunlight for extended periods, PP may degrade and become brittle. To extend lifespan, store trays in shaded or cool areas.
5.3. Are PP plastic trays resistant to chemicals?
Yes. PP trays resist many substances such as salt solutions, mild acids, alkalis, and light organic solvents, making them suitable for agriculture and industry.
5.4. What types of PP plastic trays are available on the market?
- Food-grade PP trays: Small-sized, hygienic, food-safe.
- Industrial PP trays: Strong load capacity, ideal for warehouses.
- Aquaculture PP trays: Durable, resistant to saltwater and UV rays.
5.5. How much do PP plastic trays cost?
Prices depend on size, thickness, and order volume. Purchasing directly from manufacturers like SIAM Brothers Vietnam often ensures more competitive pricing.
5.6. How to distinguish genuine PP plastic trays from low-quality ones?
- Genuine PP trays: Bright color, smooth surface, slightly flexible.
- Low-quality trays: Dull color, easily cracked, strong recycled plastic odor.
5.7. Where to buy high-quality PP plastic trays?
You can purchase directly from reputable manufacturers such as SIAM Brothers Vietnam, ensuring certified quality, safety, and the right product for your needs.
PP plastic trays stand out for their durability, heat resistance, and food safety while offering versatility across industries from fisheries and agriculture to household and industrial use. Choosing the right size, thickness, and quality ensures long-term efficiency, cost savings, and user safety. If you are looking for the most suitable PP plastic tray solution, contact SIAM Brothers Vietnam today for expert consultation, competitive quotes, and professional service.
Source: SIAM Brothers Vietnam
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