Top-line packagingTel: +86 188 2689 9458

Top-line packagingEmail: info@toplinepackaging.com

Top-line packaging
Top-line packaging

How to identify PE plastic bags? What are the methods?

source:other news release time:2022-12-19 Hits:    

  Vacuum zipper bag

  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:

Hot Sale BPA Free Plastic Drink Juice Fruit Liquid Packaging Stand Up Bag Spout Pouch

kraft paper spout pouch Production

refillable spout pouches distributors

stand up pouch with spout packaging Factory.Classification and material of packaging bags

Requirements for food plastic packaging bags.kraft spout pouch

Popular recommendation

Eco Friendly Plastic Mylar Pouch Stand Up 50ml 100ml 200ml 250ml Custom Aluminum Spout Pouch

Custom printed food grade ziplock snack custom plastic pouch packaging food packing bag

Hot Sale BPA Free Plastic Drink Juice Fruit Liquid Packaging Stand Up Bag Spout Pouch

pouch with handle maker

bag in box packaging Vendor

coffee powder pouch price

juice bag in box company

eco friendly spout pouches distributors

wine bag in box custom

Spout pouch Factory

How to Select the Material of Food Vacuum Packaging Bag

What are the advantages of octagonal sealed packaging bags

Classification of liquid bags

Ziplock bag manufacturers wholesale

What is the principle of vacuum nozzle? Negative pressure principle

How to distinguish the materials of food packaging bags?

How are the bags classified?

Introduction to packaging methods for containerized liquids

Liquid bags: making agricultural input packaging more efficient

Aluminum Foil Bag's applicable range is wide.aluminium coffee bag Factory

The Application of Vacuum Packaging Bags and Inflatable Soft Packaging Bags to Food

What are the requirements for packaging in the frozen industry?

You must want to know how to detect common composite bags.biodegradable clear mailing bags Vendor

Current Situation and Prospects of the Global Packaging Machinery Market.vacuum sealer bags for food

What are the uses of plastic bags?

What are the functions of biodegradable plastic bags?

Application materials of composite packaging bags.spout pouch serves manufacturer

Design points of kraft paper packaging bags.kraft coffee bags with valve

Advantages of liquid packaging bags.super pouch Solution

The production process of liquid packaging bags.spout pouches

Share:

Email

Wechat Whatsapp

Leave Your Message