Bags what is the testing standards, and it is a bother a lot of procurement.
Because if you don't write clearly in the purchase order bags qualified standard, it is likely to bring some unnecessary trouble later.
Actually a lot of flexible packaging in the industry of plastic packaging bags of standards does not necessarily understand.
Liu today in this finishing the following standard plastic bags, hope to help you.
A 1, barrier property, material standard, according to its own products demand determine inside and outside through oxygen barrier permeability, water vapor barrier property coefficient.
2, shading, and guarantee the quality of some products need to avoid light, for the shading material requirements, such as tea, chips and other
food packaging.
According to own needs to determine the light transmittance.
3, pretty, this is mainly related to the packaging design, such as bag type, curve shape, etc.
The labeling of materials or to pass the test to determine the most reliable, can make packaging manufacturer to provide material sample for testing, also can let the manufacturer to provide the material test report.
But as a result of each product demand for packaging is different, it is best to do your own material under test.
2, 1, printing printing standard location: printing precision, allowed error of plus or minus 0.
5 was, inky: uniform, bright luster, hue is accurate.
3, overprint: overprint error is not greater than zero.
3mm。
4, checker: logo clear, distinct and clear the complete deformation.
Three, bag making standard 1, finished product specifications: bags under 200 mm, the error is not more than + / - 3 mm, more than the error is not more than + / - 4 was, composite standard: smooth smooth, no bubbles, wrinkle free and strong.
3, design, location: rendering shows the best pattern such as design, permissible error under 100 mm 2 mm;
More than 100 -
Allowed error of 200 mm 3 mm;
More than 200 -
400 mm margin of error of 4 mm.
4, sealing, good sealing, is flat wire.
5, appearance: the finished product is clean, no obvious smudgy.
Tags: packaging bags of qualified standard
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