Application: | Food |
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Feature: | Disposable, Shock Resistance |
Material: | PP+PE |
Shape: | Container Bag |
Making Process: | Hold Welding |
Raw Materials: | High Pressure Polyethylene Plastic Bag |
Samples: |
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Customization: |
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Project | S.N | Inspection items | technical requirement |
1 | Appearance | Brand new material, translucent, smooth surface, no impurities, no pollution, no wrinkles, particles, ribs, blisters | |
2 | Structure | Three layer / four layer composite | |
3 | Thickness Tolerance | 5% | |
4 | Tensile strength | ≥37MPa | |
5 | Elongation at break | ≥800% | |
PE inner | 6 | Falling Darts | ≥1200g |
7 | Temperature resistance | -20 ºC, no adhesion, weld mark and other abnormalities were found when the load was 9.8N, 80 ºC and 1H | |
8 | Right angle tear | ≥90 | |
9 | Heat sealing requirements | Hot welding seam straight, no obvious hot or virtual hot | |
1 | Appearance | The cloth surface is smooth, white, no jumper, no damage, no dirt, no smell, and the mark line is clear. | |
2 | 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 | ||
Sew | |||
Longitude≥1750N | |||
3 | Tensile strength | Latitudinal≥1750N | |
PP outer | Sewing part ≥ 1500N | ||
4 | Elongation at break | Longitude ≥ 20% | |
Latitudinal≥20% | |||
5 | Bursting force | ≥3400N | |
1 | Valve | Material PP, diameter 3 inch / 4 inch | |
Valve | 2 | Handle,cover | ≥0.4MPa |
3 | Seal ring | ≥0.4MPa | |
Airtightness | 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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