Plastic Sheet
1. Process
The product is made from polyethylene pellet by blending, extruding, expanding, rolling and packing.
2.Properties
With a higher strength of extension, a even thickness and coherence proof.
3.Applications
Mainly used for covering crops such as cotton maize wheat, etc.
Products
The film with the thickness and with in the range of 0.004-0.008mm and 1.5m can be produced.
Quality
In compliance with the national standard GB 13735-92..
Items | The quality index | Test method |
Deviation on thickness mm | Premium class ±0.002 | GB6672 |
| Qualified class ±0.003 |
|
Deviation on width mm | Width ≤ 800 ±20 | GB6673 |
| Width＞800 ±25 |
|
Misplacement width mm | Premium class ≤20 | Visual inspection |
| Qualified class ≤50 |
|
Appearance | The defect which effect the usage no | Visual inspection |
| The defect which can’t effect the usage ≤20/100cm2 |
|
Section/roll | Premium class ≤2 | Report |
| Qualified class ≤4 |
|
Extension load N Vertical, horizontal | ≥1.3 | GB 13022 |
Broken extension rate % Vertical, horizontal | ≥120 | GB 13022 |
Right angle ripping load N Vertical, horizontal | ≥0.5 | GB /T1130 |
