济南保鲜膜哪个牌子好

保鲜膜和塑料袋在日常生活中应用比较广泛，当然两者的材质也是有不同的地方，超市一般卖的都是PE保鲜膜，那么我们应该怎样区分PE保鲜膜于其它保鲜膜呢
Plastic wrap and plastic bags are widely used in daily life. Of course, there are different materials for them. Supermarkets usually sell PE fresh-keeping films. So how do we distinguish PE from other plastic wrap?
首先，PE保鲜膜特点主要在于：PE保鲜膜使用范围广泛，PE保鲜膜可包油脂食品，同时PE保鲜膜也可在微波炉里加热，温度不**过110摄氏度。另外，区分不同种类保鲜膜小窍门：
First, the characteristics of PE fresh-keeping film are mainly: PE preservative film is widely used, PE preservative film can wrap oil food, and PE fresh film can also be heated in the microwave oven, the temperature is not more than 110 degrees Celsius. In addition, distinguish different kinds of preservative film tips:
1、看透明度。PE保鲜膜透明度差些，PVC保鲜膜透明度较好。
1. Look at the transparency. The transparency of PE preservative film is poor, and the transparency of PVC film is better.
2、拉扯实验。PE保鲜膜拉力小，PVC保鲜膜拉力大。
2, pull the experiment. PE preservative film has a small pulling force, and PVC fresh-keeping film has a large pulling force.
3、火烧实验。PE保鲜膜轻易燃烧，会滴油，有烛炬味道；PVC保鲜膜火烧冒黑烟，产生刺鼻气味，离火易灭。
3. Fire experiment. PE fresh-keeping film is easy to burn, can drop oil, have a candle taste, PVC fresh-keeping film burning black smoke, produce a sharp smell, from the fire easily extinguished.
4、PVC保鲜膜自粘性比PE保鲜膜强很多。
4, the self stickiness of PVC preservative film is much stronger than that of PE.
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