Technical Knowledge

What are the reasons why kraft paper packaging bags are widely used 2021-07-27

Kraft paper packaging bags are environmentally friendly products.The kraft paper packaging bag is a non-toxic, tasteless and non-polluting product, which meets the national environmental protection standards. At the same time, kraft paper packaging bags have high strength.

How to distinguish between aluminum foil bags and aluminum-plated bags 2021-07-24

How to distinguish between aluminum foil bag and aluminized bag? You can use the method of viewing, touch the packaging bag to feel its texture, twist method and fire method.

Four common packaging types on the market 2021-07-24

Four common packaging types on the market：flexible non-airtight packaging, air-tight packaging, one-way exhaust valve packaging, pressurized packaging.

Why punch holes in food packaging bags 2021-07-22

General packaging plastic bags do not need to be perforated, but in order to release the air in the bag after sealing and avoid the air occupying space, the perforation is required to deflate.

Those problems need to be paid attention to in aluminum foil bag customization 2021-07-22

SOONSEAL packaging to give you a detailed explanation of the matters that need to be paid attention to: type、size、material、 thickness,ect.

Why is the bag flatulence 2021-07-21

Bulging, flatulence, is because the food in the food packaging bag has deteriorated. After the corruption, the microorganisms will decompose the organic matter in the food to produce gas,which will cause the packaging bag to expand.

Teach you to distinguish between biodegradable, degradable and non-degradable 2021-07-19

So far, according to the definition of degradation, there are basically three types of plastic flexible packaging materials in the world:Biodegradable plastic flexible packaging materials，Degradable plastic flexible packaging materials,Non-degradable plastic flexible packaging materials.

What does the green packaging bag mean 2021-07-19

Green packaging bags refer to pollution-free packaging bags that do not cause any health damage to the ecological environment and humans, can be reused and regenerated, and comply with the internationally formulated sustainable development packaging bags.