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Food storage containers have become the goto for daily food preservation and organization because as we pursue more convenient and efficient dining in modern life, and with it being the most picked in line with these times.Plus, when it comes to airtightness, weight and durability shatter-resistant they are just as good as their glass or metal counterparts in the sense of refrigerator storage down to your take out lunch boxes.
Today, we’ll explore how to choose food-safe plastic food storage containers, and recommend high-quality products from Xinghui plasticware, a professional plasticware manufacturer based in China.
What are the safety standards for plastic food containers?
While making a judgement on whether the plastic container is safe if you can understand its Material Identification. When you have a plastic product, at the bottom a triangular recycling symbol (♻) will generally be given with a number ranging between 1 to 7 – each number denotes different type of plastic.
| Material Code | Material Name | Food Contact Safety | Features |
|---|---|---|---|
| 1 | PET (Polyethylene Terephthalate) | ✅ For single use only | Commonly used for mineral water and beverage bottles; not suitable for repeated heating. |
| 2 | HDPE (High-Density Polyethylene) | ✅ Safe | Excellent chemical resistance; often used for milk bottles and condiment containers. |
| 3 | PVC (Polyvinyl Chloride) | ❌ Not recommended | May contain plasticizers that are harmful to health. |
| 4 | LDPE (Low-Density Polyethylene) | ✅ Safe for food contact | Soft and flexible; commonly used in cling films and food bags. |
| 5 | PP (Polypropylene) | ✅ Highly recommended | Heat-resistant, microwave-safe, ideal material for food storage containers. |
| 6 | PS (Polystyrene) | ⚠️ Use with caution | Not heat-resistant; may release harmful substances when used with hot food. |
| 7 | PC and other composite plastics | ❌ Potential risk | May contain Bisphenol A (BPA); not suitable for long-term food storage. |
👉 Conclusion: No. 5 PP (Polypropylene) of plastic containers are your safest bet for food typically. PP can bear high temperatures and will not pit, and will not impart tuber taste/odors into the food, so PP is both microwave & freezer safe.
Which Plastic Containers Are Best for Food Storage?
Safe plastic food storage containers not only need to be made of food-grade materials but also must offer good sealing performance, temperature resistance, and ease of cleaning.
Here are three key points to consider when selecting them:
- Check the material label: Choose products marked “PP,” “Food Grade,” or “BPA Free.”
- Check the sealing structure: A high-quality sealing ring and locking clips prevent liquid leaks effectively.
- Check the temperature range: Containers labeled “Microwave Safe” and “Freezer Safe” are more practical and versatile.
Real Case: Safety Design of Xinghui Plastic Lunch Boxes
Take Xinghui Plasticware’s popular product — the Lunch Box Series — as an example.These containers are manufactured from 100% food grade PP material at high temperatures disinfected, healthy to use. Temperature variety from -20-120.
📌 Case in Point:
- Passed Quality Checks: Certified BPA-free, conforms to international food contact material standard.
- Compartmentalized Design: Ensures no food flavours mixing, suitable for dieter’s balanced food portions.
- Multi-Scene Application: Students, white-collar workers, home refrigeration available.
- Durable & Green: Wear resistance and can be used repeatedly for hundreds of times which can effectively reduce the consumption of disposable plastic products.
Feedback from customers showed that a school cafeteria purchase Xinghui PP lunch box, the box after six months of intensive use every day, good sealing, no smell, no deformation, far exceeding the general market plastic containers.
Xinghui Plasticware — A Professional Plasticware Manufacturer from China
Xinghui Plasticware is a professional plasticware manufacturer from China, specializing in:
(1) Plastic Lunch Boxes
(2) Food Storage Containers
(3) Kitchen Storage Containers
(4) Home Storage Boxes
Holding of lots of experience in production, Xinghui is using Eco-friendly and Food-safe materials and their products comply with FDA, LFGB and EU food contact standards.
We also involves OEM/ODM customization, provides mold development and packaging design support too.It is well positioned to be a ideally partner for wholesalers, distributors, and retailers around the world.
💡 Tips to Extend the Life of Plastic Food Storage Containers
- Avoid direct contact with hot oil.
- Remove the lid before microwaving.
- Clean and dry containers thoroughly after use.
- Replace containers if scratches or odors appear.
- Do not mix different types of foods, especially acidic ones, in the same container.
Choose Safe Plastic to Protect Every Healthy Meal
Choosing the perfect plastic food storage containers isn’t just about keeping your kitchen neat – it’s also a matter of food safety. As a professional manufacturer with bulk production capacity, we at Xinghui plasticware, design safe and green plastic storage solutions for everyone in the world.
👉 Whether you are a wholesaler, brand owner or a distributor, getting food safety viable and convenience plastic containers, this is the best time to CONNECT with us, at Xinghui plasticware and let your brand GROW on safety, sustainability and smart designs.
