Common shockproof packaging materials and their performance requirements (below)

6. The pH value of the water-soluble output of alkaline shock-proof materials should be between 6 and 8, and the pH when the product is in direct contact with the packaged product is preferably 7; otherwise, the packaged material is easily corroded under wet conditions.
In addition, the shockproof packaging material must also have good flexibility and tensile strength, necessary resistance to breakage, chemical stability and workability.
If a shockproof material has all of the above properties at the same time, it is difficult to do so. We can choose materials with certain characteristics according to the specific conditions of the product so that it can meet the buffer packaging requirements and can also flexibly utilize the characteristics of various materials. ,For use with. Table 8-8 qualitatively compares some of the characteristics of commonly used shockproof materials.
Table 8-8 Comparison of characteristics of commonly used shockproof materials

  Feature Item
Shockproof material

normal align = left> restorability

Normal align=left> Shock
Sex

Normal align=left> ratio
weight

Normal align=left>Anti-rust

Normal align=left> Absorb
Sex

Normal align=left> Water
Sex

Normal align=left> Antibacterial
Sex

Normal > Weather resistance

Normal > Softness

Processability

Normal > temperature range

Normal > Burning

Formability

Viscosity

Polyethylene foam is good, low, nothing, good, good, good, good, easy, styrofoam, poor, low

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Nail Polish Remover

The main function of Nail Polish remover is to remove the remaining nail polish on the nails.

For people who love nail polish, nail polish remover is a very important partner. An excellent nail polish remover must have the function of removing makeup quickly, without pungent odor, not hurting nails, and even nourishing nails.

Inferior nail polish remover is a very low-cost industrial banana water. Although it cleans quickly, it can cause great damage to nails and human health. Professional brand nail polish remover will take care of cleaning and protection at the same time when developing, minimize the damage, or even no damage at all, it is good for the nails and the body.

So, how to use nail polish remover to be safer?

First of all, be sure to choose a mild, non-irritating nail polish remover from a regular manufacturer, and pay attention to whether it contains acetone on the ingredient description.

Secondly, the amount of nail polish remover must be small. When cleaning the nail polish, it is enough to allow the nail polish remover to soak a nail-face-sized area on the cotton pad.

Third, nail polish remover should not be used to wipe nails, especially those products that have a significant effect on nail removal, otherwise it will make the nail surface dull and dull. The correct way is to press the cotton pad dipped in nail polish remover on the nail for 5 seconds, the nail polish will naturally fall off. If it is still not cleared, you can do it again.


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