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The Different Between PET Bottes And PE Bottles

Jun 19, 2018


PET bottle has good gas resistance.Among the commonly used plastic materials, PET bottle has the best performance in blocking water vapor and oxygen, which can fully meet the special storage requirements of drug packaging.PET has excellent chemical resistance properties and can be used in all products except strong alkali and some organic solvents.

Thirdly, the recycling rate of PET resin is higher than that of other plastics. When it is burned as waste, PET resin is inflammable due to its low calorific calorie value and does not produce harmful gases.

The most important is made of PET food packaging is in line with food hygiene requirements, because the PET resin is not only a harmless resin, but also a kind of pure resin without any additives, passed, including the u.s., Europe and Japan, a strict test.


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Polyethylene insoluble in water, water imbibition is small, it is of some chemical solvents, such as toluene, acetic acid, and only showing modest dissolved when temperature above 70 ℃.But polyethylene particles shape, can be between 15 ℃ and 40 ℃ melting or solidification, along with the change of temperature at higher temperatures melt, absorbing heat;When the temperature drops, it solidifies and gives off heat.And because it has a small amount of water absorption, not easy to wet, has insulation performance, so it is a good building material.