Tel: +86 188 2689 9458
source:other news release time:2023-05-06 Hits:
When choosing a manufacturer of customized plastic bags, it is important to find reliable ones and require new raw materials for production, as inferior plastic bags can be quite harmful. As is well known, plastic bags are made of chemical substances, and many processing workshops use recycled materials to reduce production costs. The production of such plastic bags is definitely unqualified. Of course, don't panic. Based on the different materials used, we can distinguish between the two types of plastic bags.
For example, the plastic bags we often see used to package food are made of polyethylene film, which is non-toxic. The disadvantage of this material is that it has insufficient strength, sealing ability, and cannot withstand high temperatures, so it cannot be used for packaging items such as tea leaves and spices.
But there is another type called polyvinyl chloride, which is completely different from the same thing. Although polyvinyl chloride is not toxic, it is often mixed with additives in its use, which can cause great harm to the human body. This type of plastic bag cannot be used for packaging food, and is usually used for raincoats, shoe soles, handbags, and other purposes. So how can we clearly distinguish between two materials?
The method is actually very simple, first of all, the surface characteristics. The surface of polyethylene is milky white, and it feels very smooth to the touch. When shaking, the sound is also relatively clear and crisp. Then during combustion, polyethylene is flammable, with a yellow color and sticky droplets, and the burning odor is very similar to that of a candle.
If PVC customized plastic bags are not mixed with pigments, they are relatively transparent and feel different from polyethylene. They are somewhat sticky and not crisp when shaking, slightly low and not easy to burn. They will extinguish after leaving the flame, and the color of the flame is green, which is significantly different from polyethylene.
If you need to customize plastic bags, choose the appropriate materials according to the actual situation. As long as we pay attention to observation and grasp the quality of plastic bags in daily use, qualified plastic bags are related to our healthy life.
Read recommendations:
eco friendly spout pouches Manufacturing
Popular recommendation
Flexible packaging film roll
Eco Friendly Plastic Mylar Pouch Stand Up 50ml 100ml 200ml 250ml Custom Aluminum Spout Pouch
Custom Special Shaped Super Pouch Aluminum Foil 1.5L 3L 5L Stand Up Drink Juice Liquid Pouch With Va
bag in box packaging Vendor
new super pouch distributors
stand up spout pouch manufacture
printed snack food bags Production
eco friendly spout pouches wholesaler
stand up spout pouch
juice bag in box price
What are the packaging forms for beverages and liquid food?
If you don't know how to identify the vacuum packaging bag, come and see.vacuum zipper bags for clot
Food design graphics analysis.
The origin of aluminum foil bags!aluminum foil bags for cooking distributors
coffee bag with one way valve distributors.The thickness of each layer of the composite packaging ba
How to determine whether the food packaging bag is regular?
How to use the air hole on the coffee bag
Christmas coffee bag(R1)
Key Players in Bag-in-Box Industry
The characteristics and application of composite packaging bag
The Origin of Aluminum Foil Bag.aluminum foil bag roll
Explanation on steaming bags.aluminium retort pouch Production
What are the advantages of liquid packaging bag manufacturers?plastic pouches for liquids
What glue should be used in glyph paper packaging bags?mulberry mini pouch with handle Vendor
The treatment of packing bag sealing problem
Packing bag material what classification
What are the performance requirements of paper plastic composite bags?aluminum foil bag roll manufac
Production environment and process of sterile bags.bag in box Processing
You choose the skills of food packaging real vacuum bags.biodegradable spout pouches manufacturer
retort pouch pack custom.What are common packaging bag issues