Brief Introduction of Cotton Wrap Film :
It is used in the packaging, transportation and storage of large quantities of machine-picked cotton and has the characteristics of high tensile strength, not easy to tear and puncture resistance, which plays a good protective role and replaces the imported film.
Technical Index of Cotton Wrap Film | |||||
Standard and inspection method of cotton wrap film | |||||
Parameter | Index | Unit | Measuring Instrument | Description of method and detail | |
Width | 2690±5 | MM | Tape | ||
Roll length | 504 | M | Meter counter | If it is beneficial to both parties, the volume leader can implement the new scheme after both parties reach an agreement. | |
Pieces | 24 | Piece | Tag Number | ||
Each piece | 21 | M | Tape | ||
Roll weight | About 100 | KG | Scale | Net weight (reference value) Specific gravity of membrane is 0.93g/cm ³, In case of any discrepancy, the approval and signature of both parties shall prevail. | |
Corona intensity | ≥42 | Dyne | Corona pen | No puncture | |
Colour | Yellow-translucent | Visual inspection | Comparison of sealed samples | ||
Thickness | Average | 0.07 | MM | Thickness dial indicator | Use the same dial indicator for both sides, and take 5 width points evenly and average |
+0.005/ | |||||
-0.005 | |||||
Range | ≤0.01 | MM | Thickness dial indicator | 5 Max-Min | |
Yield tension | Vertical | ≥22 | N | Tension machine | 25MM wide sample, length 150MM, clamping distance 30MM, speed 300MM/min |
Horizontal | 20 | N | |||
Tensile force | Vertical | ≥40 | N | ||
Horizontal | ≥38 | N | |||
Tensile ratio | Average | ≥833 | % | ||
Single point | ≥795 | % | |||
Average puncture strength | Average | ≥3.5 | N | Puncture measuring instrument | Take 4 width slices evenly and average |
Single point | ≥3.5 | N | |||
Appearance | There is no damage, winding, tube breakage and intermediate film breakage | Visual inspection | |||
Tube core strength | ≥250 | KGF | Compression machine | ||
Pattern on both sides of tube core | Equally spaced black dots+black lines |
Acrylic glue is selected and the glue properties are as follows | ||
Item | Unit | Index |
180°peel force | N/25MM | ≥1.5 |
Tensile strength | MPa | ≥8.0 |
Temperature resistance and aging resistance | - | Qualified |
Standard for strong cloth base fiber double-sided sealing adhesive | ||
Item | Index | Reference standard |
Annular initial adhesion | ≥16N/in2 | FINAT/FTM9 |
Holding force | ≥24H/500g/in2 | GB/T 4851 |
Stripping force | ≥25N/200MM*25.4MM | GB/T 2792-1998 |
Elongation | ≥Vertical105 / Horizontal110 | GB/7753-87 |
Temperature resistance | -20~70ºC | GB/T 2941-91 |
Company Profile
Changzhou Shujie Plastic Industry Co., Ltd. Was established in July 2003 and is located in Changzhou, China Dinosaur City. After years of development, the company has many brand-new film making equipment and high-quality technical research and development talents. The company has always been committed to improving film packaging solutions. Program, and has high-end PE coating substrate and self-adhesive film production capacity. In order to adapt to market development, the company has been adhering to the tenet of "providing customers with products and services that meet their requirements" for many years. On the basis of meeting the requirements, strive to achieve product upgrades, take the road of high-end, environmental protection, and energy saving, and rely on technological innovation to realize brand value. The company adheres to the people-oriented, pragmatic and innovative business philosophy, realizes the common growth of the company and employees, and achieves mutual benefit and win-win with customers while providing products and services that meet customer requirements.
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: What are your main products ?
A: Our main product are PE Film,Cotton Packing Film,Plastic Film,Polyethylene Film.
Q: How long is your delivery time?
A: Generally 7-10 days, it's according to quantity.
Q: Do you provide samples? Is it free or exra?
A: Yes, we could offer the sample for free but do not pay the cost of transport.