Which Plastic Containers Are Safe for Hot Food?

Not All Plastics Handle Heat the Same Way

Choosing the wrong container for hot food can cause chemicals to leach into your product, warp the packaging, or create a safety risk for your customers. Here's what you need to know before making a decision.

Plastics to Use for Hot Food

The following plastic types are generally considered safe for hot food contact:

• PP (Polypropylene, Type 5) — the most widely used plastic for hot food containers. It has a high melting point (around 160°C) and is microwave-safe in most cases. Ideal for soups, stews, takeaway meals, and meal prep containers.
• HDPE (High-Density Polyethylene, Type 2) — suitable for warm food but not recommended for very hot liquids or microwaving. Commonly used for deli containers and food storage.

Plastics to Avoid for Hot Food

• PET (Type 1) — safe for cold food and beverages, but not designed for heat. Can warp or leach chemicals when exposed to hot food.
• PVC (Type 3) — not recommended for any food contact, especially hot food.
• PS (Polystyrene, Type 6) — commonly used in disposable cups and takeaway containers, but can leach styrene when exposed to heat. Best avoided for hot liquids.

What About Microwaving?

Only containers labelled "microwave-safe" should be used in a microwave. This label means the container has been tested to withstand microwave temperatures without warping or leaching. Look for this label specifically — food grade alone does not guarantee microwave safety.

Practical Tips for Food Businesses

• Always match the container to the food temperature and intended use
• Check the resin code on the base of the container
• Look for "microwave-safe" and "food grade" labelling together when heat is involved
• Test containers with your actual product before committing to bulk orders

Browse our range of PP food containers — designed for hot food, meal prep, and takeaway applications.