After dinner, plastic food boxes, microwave bowl, film preservation, preservation bags, all that can be used to preserve food guy appearance together. Yes, for the health of their families, the rest of the meal'll keep a proper record of yo. For a long time, for market access for food packaging, storage of plastic products, including the convenience of one-off bags, food packaging bags can be reused, as well as plastic containers, we all thought it was safe.

In fact, the recommendations from the experts is: we should carefully to understand the composition of products and materials stored in the right method to master in order to ensure no threat to your health.

How can we make a good choice? A simple way is: to follow the guidance from the manufacturer, which is usually part of the contents of the original packaging of goods in the narrative part of the find. If the outer package of goods can not find relevant content, is the time of purchase must think twice before taking any action.

If you have the habit of reading product manuals, you will find the food box at the bottom of the text in a lot of useful information. Most of the food box at the bottom of the triangle will be a number of symbols. The whole pattern may also include arrows or other figures, these products are used to distinguish between the types of materials. In the purchase of food boxes, the following figures we should pay particular attention:

Digital 3:

Meaning: the figure on behalf of the PVC. Hard texture of this material, often used in the manufacture of food boxes, water pipes and building materials, daily life in a very wide range of applications.

Guide: In general, the use of such raw materials produced by the food box is only suitable for dry storage, water less food, such as rice and pasta. PVC is not strong and high temperature, so heating food before the food must be transferred to the appropriate use of microwave food containers.

Number 6:

Meaning: This is a sign of polystyrene. This material is sometimes a bubble-like, mainly for the production of one-time meal, glass and tableware.

Guide: in all types of food packaging materials, polystyrene of the lowest melting point, so although it may be best for the warm food, but not to use this material directly heating the food boxes.

The number 7:

Meaning: This figure represents In addition to the polystyrene and PVC or material other than a variety of plastic materials, synthetic materials. If the boxes of food raw materials are polycarbonate (containing BPA), the product will appear on the figure.

Guide: these foods are marked boxes of a variety of materials, heat resistance and its maintenance mode is also different in the use of the former must carefully read the product description, in strict accordance with the guidance of producers to use.