Tel: +86 188 2689 9458
source:other news release time:2022-12-19 Hits:
In daily life, many PE plastic bags are used to package products, but there are many types and names of packaging materials. When we need to use PE plastic bags, how do we identify them? PE film is widely used to make plastic bags, plastic films and milk pails. Its name is also polyethylene, which is resistant to a variety of organic solvents, acid and alkali corrosion, but not antioxidant acids, such as nitric acid. Polyethylene will be oxidized in oxidizing environment. Polyethylene can be considered transparent in the film state, but in the presence of a large number of crystals in the block, it will be opaque due to strong light scattering. The degree of crystallization of polyethylene is affected by the number of its branches. The more branches, the more difficult it is to crystallize. The melting temperature of polyethylene crystal is also affected by the number of branches and chains, which are distributed from 90 ℃ to 130 ℃. The more branches and chains, the lower the melting temperature. Polyethylene single crystals can usually be prepared by dissolving high-density polyethylene in xylene at temperatures above 130 ℃.
Structural formula of PE plastic bag: - CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2 The simplest way to identify PE plastic bag is as follows:
1. Cut a small piece and put it in water. Floating on the water is PE
2. When lit, PE smells like a candle
3. It seems that the PE plastic bag is transparent
4. PE plastic bag is smooth and comfortable to the touch.
5. It's hard to break because it's pulling
Read recommendations:
Eco Friendly Plastic Mylar Pouch Stand Up 50ml 100ml 200ml 250ml Custom Aluminum Spout Pouch
flexible packaging films custom
tea pouch packing machine sales
Convenient choice: Environmentally friendly liquid portable bag
Do you know the tips to use plastic bags?Flexible packaging film roll Manufacturing
Popular recommendation
Wholesale Price Biodegradable Aluminum 3 Three Side Seal High Temperature Microwavable Food Retort S
Custom Laminated Printing Juice Bag Liquid Packaging Stand Up Plastic Water Spout Pouch
Super pouch
wine bag in box Factory
bag in box wine sales
aluminium spout pouch sales
packaging spout pouch company
spout pouch serves Factory
stand up Spout pouch manufacturer
spout pouch machine Production
printed snack food bags price!Introduction to the Function of Food Packaging Bags
Development Trend of Aluminum Foil Ton Bag Industry.aluminum foil bag large
Christmas coffee bag(R1)
What are the requirements for dried fruit packaging bags in food packaging bags.fruit and vegetables
What is the function of the hole on the coffee bag
Shaped Pouches: The Ultimate Guide
Do you know these characteristics of the bag in the box?
Analyze the composition of plastic packaging bags
Wine box packaging customization process and specific production process
Method of using electrostatic adsorption for thermal shrinkage of plastic packaging.Vacuum zipper ba
Function of food packaging bags.food products and packaging
Introduction and application of composite food bag wholesale.smart food Snack food bag Manufacturing
Advantages of using plastic packaging bags.flexible pouches price
Why are degradable plastic bags standing on the cusp of wind and waves
Do you know the material characteristics of the nylon packaging bag?food eco friendly packaging
Antistatic agents commonly used in plastic packaging bags
What materials should be used for tea bags
Vacuum packing bag
Why nylon vacuum packaging bags are favored by the food packaging industry
The manufacturer of customized plastic food packaging bags tells you these points to pay attention t