The ability to put clear plastic food containers in the microwave or dishwasher depends on the type of plastic they are made of. Not all plastics are microwave or dishwasher safe, as they can melt, warp, or release harmful chemicals when exposed to heat.
Here's a general guideline to help you determine whether a clear plastic food container is safe to use in the microwave or dishwasher:
Microwave Safe: Look for a label or symbol on the bottom of the container that indicates it is "microwave safe" or suitable for "microwave use." This means the plastic material can withstand the heat generated in a microwave without deforming or releasing harmful substances.
Dishwasher Safe: Similarly, check for a label or symbol that indicates the container is "dishwasher safe" or suitable for "dishwasher use." If the container is dishwasher safe, it can endure the high temperatures and water pressure typically experienced in a dishwasher without warping or deteriorating.
Look for Specific Codes: Some plastics are labeled with recycling codes (numbers inside a triangle of arrows) that can give you an idea of their safety for microwave and dishwasher use. Plastics labeled with #1 (PETE), #2 (HDPE), #4 (LDPE), and #5 (PP) are generally considered safe for both microwave and dishwasher use. Plastics labeled with #3 (PVC) and #6 (PS) are not recommended for microwaving, and while they may be dishwasher safe, it's better to avoid them if possible.
Avoid Plastics Not Labeled: If a clear plastic food container doesn't have any specific information about microwave or dishwasher use, it's best not to assume it's safe for these purposes. In such cases, it's safer to transfer the food to a microwave or dishwasher-safe container.
Regardless of whether a plastic container is labeled as microwave or dishwasher safe, it's essential to follow these additional tips:
Do not use plastic containers labeled with #7 (Other) in the recycling code. These can contain various types of plastics, some of which may not be safe for microwave or dishwasher use.
Avoid using plastic containers with visible cracks, scratches, or signs of wear, as these can harbor bacteria and may release harmful substances when exposed to heat.
Always use microwave-safe covers or lids when microwaving food in plastic containers to prevent splatters and ensure even heating.
If you're uncertain about a plastic container's safety, it's safer to transfer the food to a microwave-safe or oven-safe glass container.
By following these guidelines, you can ensure safe use of clear plastic food containers in the microwave and dishwasher.