Food packaging bags of puncture strength refers to the maximum packet to withstand of fine steel, is usually in pounds.
Due to
food packaging in the process of filling, storage, transportation, food bag can withstand external, internal puncture impact, in order to prevent bags punctured, food bag need to have a certain ability of resistance to puncture.
Compared with nitrogen inflator, the conventional way of packing, vacuum packing bags of food puncture strength requirement is higher.
Basically has the following several reasons: 1, vacuum packs in the packaging, additional more under pressure.
Vacuum pump type, or extrusion type vacuum bags will receive compression pressure from the outside.
At this moment, will contact with the vacuum bag bag food, puncture movement, and this action is continued.
Compared with nitrogen inflator, conventional packaging, vacuum packaging for piercing strength requirement is higher also.
2, after receipt of the impact, no buffer space, vacuum packaging more easily pierced.
In the process of production, storage and transportation, food packaging bags often have dropped down, throw out, throw in one way or the other, will also receive a packet.
They wish and in the process of impact, if already pumping air into vacuum state, there is no buffer space, only hard to shake.
And nitrogen inflator, conventional packing bag with air can buffer.
So the vacuum bag punctured risk is bigger, so the puncture strength requirement is higher also.
It is vacuum packaging for puncture strength demand higher reasons, we find the vacuum bag, will also bring a puncture resistant such a request.
Some friends may also want to know about the bags of puncture strength testing standard and method, the in the GB/T 10004 -
2008 packing plastic composite film, bag, dry compound extrusion compound, 'standards of puncture strength testing standard and method.
But food packaging specific puncture strength requirements, consultation by both parties.
If you need a piercing strength high vacuum packs, for you to make meet your requirements of composite film, color printing production of fine, high puncture strength requirement of vacuum packaging.
Tags: vacuum packaging
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