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Develop one of the fastest function film at present

来源: 作者:Stand originally 时间:2008-12-25 Tag: 点击:

Packer is relevant information- -

In recent years, technical progress makes the function of the plastic film that pack changes development the trend is clear with each passing day, the plastic packing film of content of high demand, hi-tech is becoming the pillar industry of a lot of enterprises and target of research and development, it is diversiform that its pack a function. Among them block appears a gender the plastic film that pack is one of functional film with the at present rapiddest development.  

1. block appears sexual colophony

Block shows performance is to show to young member gas is like oxygen, lunt, liquid and odour the screen function that wait. Block appears sexual film to basically be used at food and medicine to pack, ensure packing is storing, carriage process middleman and guarantor is sweet protect flavour not to deteriorate, in order to prolong its expiration period and shelf life. Block appears a gender plastic film applies extensively in convenient food, medicines and chemical reagents, cosmetic, tea, flavor, wait for a product pack, because this block shows sexual film,already became the heat that each country develops eagerly.

It is crucial that in block the block in the plastic film that appear a gender appears sexual resinous to use, basically have polyethylene sick at heart (PVA) , ethylene, ethylene mellow copolymer (EVOH) , slant chloric ethylene copolymer (PVDC) , get together 2 formic acid of Nai glycol ester (PEN) , nylon (PA) , get together to benzene glycol of 2 formic acid ester (PET) , sexual colophony is appeared in these block in, PVA, EVOH, PVDC, PEN belongs to tall block to show sexual stuff, the most commonly used is PVDC and EVOH, and the block of PA and PET shows sexual close, the block in belonging to shows sexual stuff.




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