Tel: +86 188 2689 9458
source:other news release time:2023-11-10 Hits:
The inspection items of food packaging bags (films) are mainly divided into five categories. The appearance must not have defects such as bubbles, perforations, water marks, explosive tendons, poor plasticization, and fish eye stiffness that hinder the use. The standard width, length, and thickness errors should all be within the regular error range.
The physical and mechanical functions include tensile strength and cracking elongation, which reflect the product's ability to withstand tension during use. If this item is not qualified, food packaging bags (films) will simply show cracking and damage during use. The hygiene functions include evaporation residue (acetic acid, ethanol, n-hexane), potassium permanganate consumption, heavy metals, and decolorization tests.
Evaporation residue reflects the possibility of food packaging bags releasing residue and heavy metals when encountering liquids such as vinegar, wine, and oil during use. Residues and heavy metals can have adverse effects on human health. In addition, residue can directly affect the color, aroma, taste, and other edible qualities of food. The degradation function can be divided into photodegradation type, biodegradation type, and environmental degradation type based on the degradation type of the product.
The degradation function reflects the ability of a product to be accepted by the environment after being discarded. If the degradation function is good, the bag (film) will crack, differentiate, and degrade on its own under the combined effect of light and microorganisms, eventually becoming debris and being accepted by the natural environment; If the biodegradability is poor, it will not be accepted by the environment, thus forming "white pollution"
Read recommendations:
The source factory of packaging bags takes you to understand the three side sealing bags and the mid
Characteristics and functions of high-temperature cooking bags
Popular recommendation
Kraft paper pouch
Custom Laminated Printing Juice Bag Liquid Packaging Stand Up Plastic Water Spout Pouch
Flexible packaging film roll
bag in box supplier
zip lock bag for coffee maker
clear spout pouch wholesaler
spout pouch packaging bags company
zip lock bag for coffee Production
Pouch with Handle Customize
mini pet food bag Factory
What are the advantages of the bag in the BIB box.bag in box 5l
Unlock the Potential of Paper IBC: The Ultimate Packaging Solution
What are the inspection standards for food packaging bags?
ordering flexible packaging film roll sales.The shortcomings of environmental bags
Types of coffee bag
coffee bag with one way valve distributors.The thickness of each layer of the composite packaging ba
How to correctly choose plastic bags for food?
How to prevent Bubble Mailer aging
Anti -static packaging bag.aluminum foil bags for cooking
How to distinguish the materials of food packaging bags?
Why should food packaging bags be made into serrated openings
petco free dog food bag Solution.How to handle the odor of food packaging bags
Degradable plastic bag
What are the commonly used materials for tea packaging bags?
Packed color.aluminum foil bag large wholesaler
aluminum foil bags for cooking Manufacturing.Fully automatic production line for aluminum foil packa
The difference between aluminum foil bag and nylon vacuum bag
PEVA Freezer Bag key issues.Flexible Packaging Film Packaging
Packaging bag decomposition process is not harmful substance.Flexible packaging film roll Factory
What if there is static electricity at the seal of the packaging bag?