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For everyday food storage, food storage container safety is second to our own health. As a daily plastics business, LEBO definitely understands all about food-grade plastics. Here in this article, we will let you know what plastic materials are food-safe for storage, how to identify safe items, and share with you how LEBO guards your food safety by diligent material screening and processing.
4 Types of Safe Food-grade Plastics
폴리에틸렌(PE)
Features: low temperature resistance, good flexibility, widely used in fresh-keeping bags, food packing film and bottles of milk. According to density, it is divided into low-density polyethylene (LDPE) and high-density polyethylene (HDPE), the former can be used for film packing, and the latter for hard pack such as milk jugs.
Safety: high chemical stability, not easy to react with food, and is a recognized safe material.
폴리프로필렌(PP)
Features: high temperature resistance (can withstand microwave heating), corrosion resistance, commonly used in microwave lunch boxes, fresh-keeping boxes and bottle caps. Its high melting point (about 160°C) makes it an ideal choice for heating scenarios.
Safety: non-toxic and odorless, FDA and other international certifications, suitable for long-term contact with food.
폴리에틸렌 테레프탈레이트(PET)
Features: high transparency, good sealability, used mainly in bottles for beverages and disposable food containers.
Precautions: trace amounts of chemicals may be released at high temperatures, it is recommended to avoid long-term heating or repeated use.
폴리카보네이트(PC)
Features: It has been used in space cups and baby bottles, but you need to pay attention to the bisphenol A (BPA) problem.
Safety: You need to choose certified products that meet the BPA residue standard. Infant and toddler products should be used with caution.
Plastic Materials to Avoid
- Polyvinyl chloride (PVC): Plasticizers and heavy metals may be added during processing. It is easy to release toxic substances at high temperatures and is not recommended for food packaging.
- Polystyrene (PS): Commonly found in disposable tableware, it will release styrene monomer when heated, posing a potential health risk.
How to Choose Safe Food-grade Plastics?
Check the Logo
The internationally accepted plastics logo is a triangle number 1-7, and the corresponding safe materials are:
1 (PET): Beverage bottle
2 (HDPE): Milk can
4 (LDPE): Plastic wrap
5 (PP): Microwave container.
Certification Standards
Choose plastics marked with “food grade” or passed national/international standards (such as China GBn84-80 polyethylene standard, US FDA certification).
Use Scenario Matching
Refrigerated preservation: PE or PP materials are preferred.
Microwave heating: Only PP materials can be used safely.
Long-term storage: Ensure that the container is well sealed and avoid light and high temperature environments.
LEBO’s Commitment: Safety and Environmental Protection
At LEBO, we are well aware of the importance of food safety. All products are made of food-grade PE and PP materials, strictly following Chinese GB standards and international FDA specifications to ensure non-toxicity, temperature resistance and corrosion resistance. For example:
- Microwave-specific lunch boxes: Made of high-purity PP material, can withstand a temperature range of -20°C to 120°C, and the sealed design prevents leakage.
- Refrigerator storage boxes: Made of HDPE material, it is resistant to low temperatures and impact, suitable for long-term preservation.
We not only focus on product safety, but also on environmental protection – all plastic containers are recyclable, and support customized biodegradable material options to reduce environmental burden.
LEBO’s Customization and Wholesale Services
LEBO provides customized services for food-grade plastic containers, supports personalized design (such as size, color, logo printing), and accepts enterprise-level wholesale orders. Whether it is for household daily use or catering industry needs, we can provide you with safe and compliant solutions. Contact the LEBO team now to get exclusive product solutions!
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