2025-03-28

Can divided glass food containers be heated in the microwave?

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      In the fast-paced modern life, microwave ovens have become an indispensable kitchen appliance for every household, greatly improving the convenience of food heating. However, many people still have doubts about whether containers of different materials can be used for microwave heating. Can divided glass food containers be put into the microwave for heating? Is it safe? What matters need to be paid attention to? This article will explore these issues in depth to help everyone use divided glass food containers more safely and reasonably.

      1. Are divided glass food containers suitable for microwave heating?

      1.1 Is the glass material safe?

      Generally speaking, glass is a safe material for microwave heating, especially high borosilicate glass, which has good heat resistance and stability, does not release harmful substances, and does not deform or produce odor at high temperatures like plastic. Therefore, most divided glass food containers can be put into the microwave for heating.

      1.2 Specific applicable glass types

      Although glass is generally suitable for microwave ovens, different types of glass have different heat resistance properties. Whether it can be heated safely depends on the type of material:

      Borosilicate glass: This type of glass has a wide range of heat resistance (generally -20°C to 400°C), is not easy to break due to temperature changes, is suitable for microwave heating, and is also an ideal choice for food containers.

      Ordinary glass: This type of glass is relatively fragile and is prone to breakage due to large temperature differences after heating. It is not recommended for microwave heating.

      Tempered glass: Due to the large internal stress of tempered glass, it may burst if it encounters a sudden temperature change, so it is generally not recommended to put it in a microwave oven for heating.

      1.3 Does the special design of the divided glass food container affect microwave heating?

      The lids of many divided glass food containers are made of plastic and have a sealing silicone ring. If the lid cannot withstand high temperatures, it is recommended to remove the lid and heat it to avoid deformation of the plastic or release of harmful substances. The lids of some products have air holes and can be heated directly, but you still need to check the product instructions to confirm whether it is safe.

      divided glass food container

      2. Precautions when using divided glass food containers for heating

      2.1 Make sure to use heat-resistant glass containers

      When purchasing divided glass food containers, it is recommended to check the product manual to confirm whether the material is high borosilicate glass and indicate that it is suitable for microwave ovens.

      2.2 Avoid large instantaneous temperature changes

      Even heat-resistant glass may break due to large temperature differences. For example: Avoid heating immediately after taking it out of the refrigerator: Refrigerated glass containers should be placed in room temperature for a few minutes before being placed in the microwave to reduce the impact of temperature differences.

      Avoid rinsing with cold water directly after heating: Heated glass containers should not be rinsed with cold water immediately to avoid cracking due to sudden cooling.

      2.3 Remove plastic lids or silicone rings

      The influence of lid and sealing ring materials

      Many suppliers of divided glass food containers will equip their products with plastic lids or silicone sealing rings to enhance sealing. However, plastic lids are usually made of PP (polypropylene) or ABS plastic, and not all plastic lids are suitable for microwave heating. Therefore, when using a microwave to heat divided glass food containers, it is recommended to remove the lid first, or choose a lid marked "microwaveable". At the same time, sealed containers may generate pressure when heated, causing them to burst, so the vents must be opened or the lid slightly lifted.

      2.4 Choose the right heating time and power

      In order to use divided glass food containers for microwave heating more safely, it is recommended to follow the following principles:

      Low power (≤700W) for short-term heating, generally set to check the temperature after 1-2 minutes, and then decide whether to continue heating.

      Avoid heating for too long to prevent the container from overheating or the food from evaporating too quickly.

      2.5 Check if the glass has cracks before use

      If the glass container already has small cracks or slight damage, it is not recommended to put it in the microwave to heat it to prevent the cracks from expanding and causing it to break.

      Are divided glass food containers suitable for microwave heating? The answer is yes! Most divided glass food containers made of high borosilicate glass can be safely used for microwave heating, but you need to pay attention during use: choose a regular divided glass food container supplier to ensure the safety of the material; remove the sealing cover before heating to prevent excessive pressure; avoid excessive temperature differences to prevent bursting; control the heating time to prevent overheating. After mastering these microwave oven tips, you can use the divided glass food containers more safely and efficiently, and enjoy a convenient and healthy diet life.

      As a professional supplier of divided glass food containers, we are committed to providing high-quality, environmentally friendly and safe products to ensure that each container can meet the needs of customers in daily life. Our divided glass food containers are made of high borosilicate glass, which has excellent heat resistance and resistance to cold and hot shocks. They can be safely heated in the microwave and perfectly keep the food fresh and nutritious. We also provide wholesale services for divided glass food containers to meet the bulk purchasing needs of catering companies, supermarkets, etc. Whether it is for home use or commercial bulk needs, we can provide customized services to ensure that your needs are met, making every meal healthier, more environmentally friendly, and convenient.

      http://www.bestfulltech.com
      Jiangsu Bestfull Technology Co., Ltd.

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