Application: | Food |
---|---|
Feature: | Bio-Degradable |
Material: | PE+PP |
Shape: | Plastic Bags |
Making Process: | Hold Welding |
Raw Materials: | High Pressure Polyethylene Plastic Bag |
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Product quality technical parameters | |||
Project | Serial number | Inspection items | Technical requirement |
PE inner |
1 | Appearance |
Brand new material,translucent,smooth surface,no impurities,no pollution,no wrinkles,particles,ribs,blisters |
2 | Structure | Three or four layers composite | |
3 | Thickness deviation | 5% |
|
4 | Tensile strength | >=37Mpa | |
5 | Elongation at break | >=850% |
|
6 | Falling darts | >=1200g | |
7 | Temperature resistance | -20ºC,no adhesion,weld mark and other abnormalities were found when the load was 9.8N,80ºC and 1h | |
8 | Right angle tear |
>=90N |
|
9 | Heat sealing requirements | Hot welding seam straight,no obvious hot or virtual hot | |
PP outer |
1 | Appearance | The cloth surface is smooth,white,no jumper,no damage,no dirt,no smell,and the mark line is clear. |
2 | Sew | The stitching is straight and even,with inner folded hemming and hemming,without stitching jumper,the number of stitches is 10cm or more than 10,and the wiring should be overlapped and sutured without leakage | |
3 | Tensile strength | Longitude>=1750N Latitudinal>=1750N Sewing part>=1500N |
|
4 | Elongation at break | Longitude>=20% Latitudinal>=20% |
|
5 | Bursting force | >=3400N | |
Valve |
1 | Valve | Material PP,diameter 3 or 4 inch |
2 | Handle and cover | >=0.4Mpa | |
3 | Seal ring | >=0.4Mpa | |
Air tightness | In the whole bag inflation state,there is no air leakage at the heat sealing line and valve seal of the bag body. |
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