Food spout pouch selection tips!

First, observe with your eyes

Ordinary plastic bags are white, bright or slightly bright, with uniform texture; Although the toxic plastic bag is colored or white, it has poor clarity, is dirty, and the plastic appearance stretches unevenly and has small particles.

Second, listen with your ears

When shaking the plastic bag vigorously with your hand, the sound is clear and indicates that it is a normal plastic bag; The low, muffled sound is the sound of a toxic plastic bag.

3. Touch with your hands

It is normal to touch the surface of the food spout pouch with your hands. Sticky, astringent, waxy is toxic.

4. Smell with your nose

Normal food sucking bags are odorless; Having an abnormal smell or taste is toxic.

Three inherent requirements for suction pouches

Internal requirements of suction pockets: refers to the technical requirements for ensuring the quality and quantity of food in its packaging.

Strength requirements: refers to the packaging in the process of storage, stacking, transportation, handling can keep the packaged food from various external forces damage, such as pressure, impact, vibration, etc.

Respiratory requirements: Some exported foods, such as fresh fruits and vegetables, still adhere to respiratory function during packaging and storage. Therefore, such packaging materials can be breathable or can control breathing, so as to achieve the purpose of preservation.

Nutritional requirements: food will gradually lose nutrients during packaging and storage, so food packaging should be conducive to preserving food nutrition, and it is better to lock nutrition through packaging.