PVC Packing Material
Plastic Packing Film
A. Technology parameter
The examination result compilation | ||||||||
Item |
Technology requirement |
Result |
Verdict |
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Facies |
Should be colorless and transparent ,even equal ,unallowed corrugation ,oil spot , foreign matter,perforation ,impurity .the crystals not allowed appears above1.3 mm, not exceed three granules in 1.3mm and below 1.3mm per 100cm2 |
Accord prescribe |
Accord prescribe |
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Distinction |
Infrared atlas |
The result should be consistent when pvc and pvdc compare with the atlas, separately . |
Accord prescribe |
Accord prescribe |
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Color change |
Pvdc surface appears orange, pvc surface color has no change |
Accord prescribe |
Accord prescribe |
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PVDC coated quantum |
40g/m2±7% |
+0% 40g/ m2 -3.9% |
Accord |
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|
Physics capability |
Vapor permeation quantity |
≤0.8g/( m2 ·24h) |
0.3 g/ m2 ·24h) |
Accord |
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Oxygen permeation quantity |
≤3.0cm3/( m2 ·24h·0.1MPa) |
1.6cm3/( m2 ·24h·0.1MPa) |
Accord |
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Elongate intensity |
≥40MPa |
lengthways:55Mpa landscape :54 MPa |
Accord |
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Strike intensity |
Not exceed than two samples damaged out of five samples in landscape orientation and lengthways ,separately |
landscape orientation : no damage lengthways :no damage |
Accord |
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Heat up extend and draw back |
Within ±6% |
Lengthways:-2.2% landscape:+0.5% |
Accord |
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|
Heat up conglutination intensity |
≥6.0N/15mm |
7.1N/15mm |
Accord |
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Solvent remnant allowance |
≤10mg/ m2 |
Not test out |
Accord |
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Pvc monomer |
≤1ug/g(subter-millionth) |
<1ug/g |
Accord |
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Pvdc monomer |
≤3ug/g(subter-millionth) |
<0.1ug/g |
Accord |
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Separate out of diffluence |
Clear degree |
Solution should be clear,if turbidity ,not allowed heavier than No2 Turbidity standard |
Accord prescribe |
Accord |
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Facility oxide |
The tolerance of the Consumption Of The water steep and the blank solution ≤2.0ml |
1.1ml |
Accord |
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Heavy metal |
Subter-millionth |
Subter-millionth |
Accord |
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Fixed matter |
Water steep |
≤30.0mg/100ml |
5.2mg/100ml |
Accord |
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|
65% Ethyl Alcohol solution |
≤30.0mg/100ml |
4.4mg/100ml |
Accord |
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hexane solution |
≤30.0mg/100ml |
4.2mg/100ml |
Accord |
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Animalcule |
Amount of Microbe |
≤1000/100cm2 |
≤30/100 cm2 |
Accord |
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|
Amount of Mildew and Microzyme |
≤100/100cm2 |
≤30/ 100 cm2 |
Accord |
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Amount of coliform |
No check out |
No check out |
Accord |
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Abnormity toxicity |
In order |
Accord prescribe |
Accord |
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B. Use parameter (our product is different from other supplier’s)
Blister temperature: 80℃— 120℃, normally 5℃ higher than PVC , Sealing temperature 170℃— 180℃
Negative pressure: 2.4
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