Fresh-keeping film affect health?

Recently, a media that fresh-keeping film of improper use of risks to health, but also different fresh-keeping film uses is not the same, so how do you distinguish the correct usage?

How to buy fresh-keeping film

Beijing Kai FA environmental technologies Centre of Dong Director said that the current market sale of fresh-keeping film from raw materials, mainly divided into three broad categories (PE or LDPE), mainly for common fruits and vegetables, etc. of the packaging; the second category is polyvinylidene chloride (PVDC), mainly for some cooked food, ham and other products of the packaging; the third category is polyvinyl chloride (PVC), and it can be used in food packaging, but it has on human health.

The raw materials, PVC and pvdc class fresh-keeping film on relatively safe.

Consumers daily buy fresh-keeping film, mainly distinguish between polyethylene and PVC products.

Buy safe fresh-keeping film in general there are three methods, namely, "a look at the second touch three burning"

A "look" at it is there a product description, if the above banner PE fresh-keeping film or PE preservative film, you can rest assured that use.

2 the "touch" polyethylene fresh-keeping film in general less viscous and transparency, with easy to open after the scrub and PVC fresh-keeping film it better transparent and viscous, with scrub bad expand in the future, easily stick in hand.

Three "burning" polyethylene fresh-keeping film used fire ignition, flame yellow, away from sources of ignition do not go off, dropping oil phenomenon, and there are no sharp smell.

Proper use of fresh-keeping film

Dong said that, in accordance with the purpose to category, market fresh-keeping film generally fall into two categories that apply to the fridge fresh; one is a microwave oven fresh-keeping film that can be used for refrigerator storage, can also be used for microwave ovens.

After a fresh-keeping film in the heat-resistant, non-toxic and so much better than ordinary fresh-keeping film. Generally speaking, the correct use of fresh-keeping film food probably at room temperature and freshness of a week or so.

Use fresh-keeping film when vessels covered fresh-keeping film, don't fill up so as not to have food.

When using a microwave oven fresh-keeping film to avoid

Food and film exposure, especially oily large food.

Heating food covered containers of fresh-keeping film should tie several small holes to prevent bursting. You should be aware of when using the fresh-keeping film heating temperature tolerance, in strict accordance with the brand labeled temperature heating or heat better fresh-keeping film.

(Practice editing: clean,)