成人免费淫片95视频观看网站-成人免费淫片在线费观看-成人免费在线-成人免费在线视频-成人免费在线视频网站-成人免费真人毛片视频

Mr. Bao:13590454892
News
News
current position: Home News FAQ How to quickly distinguish plastic bag material? The difference between plastic bag material
Sante Express
Scientific knowledge
FAQ
How to quickly distinguish plastic bag material? The difference between plastic bag material

Sante Information| 2022-01-21|admin

Nowadays, plastic packaging bags, there are many materials such as PE bags, CPE bags, PVC bags, OPP bags, PP bags, composite bags, etc., consumers should customize the same bag of packaging bags if they take a picture. , It is very difficult, because the pictures taken by the above bags are almost the same, just see pictures, the manufacturers in the power can only determine between several materials, accurate is a bit difficult.
In addition to sending samples to professional manufacturers, how do consumers who do be parallel to quickly distinguish the material of the bag? I have a simple lap in my side.

Plastic bag
PE material: The material is soft, but the transparency is not enough, which is more like, the pull is good, and it is not easy to explode.
PP material: The body is hard, but the transparency is relatively high, clearer, and the tension is not very good, easy to explode.
PO: The material is brittle, the transparency is not high enough, and it is more than the PE, it is a bit of white color, and the tension is not very good.
OPP: The body is the most, the transparency is the highest, the tension is not enough, but the most explosive port is the most prone to discoloration.
PVC material: The material is soft and hard, can be made according to the customer needs, the transparency can also be taken, because there are hyperflexible materials, ordinary materials and grinding, tensile strength, not easy to tear, It is not easy to explode, because the two layers are made with a machine beer.
PE expensive PP material, in the past two years, due to rising oil prices, the cost of rubber bag has also risen. As for the PO rubber, there is also a particularity, it can be very thin. The thickness that PE and PP can do less. Such a price advantage of PO is more obvious. However, because the PO rubber is almost white, the use is relatively small.

Recommended ProductsMORE +
Recommended NewsMORE +
  • Shenzhen Sante Packaging Products Co., Ltd.
  • Zhongshan Kaishun Daily Products Co., Ltd.
  • Huizhou Sante Packaging Products Co., Ltd.
  • QR code

    QR code

 Copyright ? Shenzhen Sante Packaging Products Co., Ltd.  Record number: 粵ICP備13023430號(hào)-1
主站蜘蛛池模板: 国产日韩在线播放 | 四虎永久在线观看 | 久草网在线 | 一级日韩 | 91在线精品免费观看 | 91热久久免费频精品动漫99 | 老子影院午夜伦手机不卡无 | 国产三级久久久精品麻豆三级 | 91尤物国产尤物福利在线 | 四色成人 | 涩涩视频免费观看 | 免费国产午夜高清在线视频 | 日日碰狠狠添天天爽爽爽 | 一级骚片| 久草免费资源视频 | 亚洲高清国产一区二区三区 | 国产一起色一起爱 | 国产精品久久久久毛片 | 久久久亚洲伊人色综合网站 | 亚洲人成网站999久久久综合 | 国产精彩视频在线 | 欧美性视频一区二区三区 | 欧美亚洲国产激情一区二区 | 99成人在线 | 精品亚洲一区二区在线播放 | 久久亚洲这里只有精品18 | 久久久久免费 | 国内精品免费网站牛牛 | 欧美成人伊人十综合色 | 国产最新精品精品视频 | 97色老99久久九九爱精品 | 日本a一级毛片免费观看 | 国产精品一级毛片不收费 | 97在线看 | 手机在线精品视频每日更新 | 久久不卡免费视频 | 亚洲国产成人久久笫一页 | 亚洲免费播放 | 国产精品一区二区三区免费 | 精品久久精品久久 | 毛片一级在线观看 |