Upass Material Technology (Shanghai) Co.,Ltd.
Focus on polymer films.
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A release liner is a plastic release film which made of PE/PP/PET film as carrier, silicon
coated on either one or two-sided releases options.
The film is uniform coated and very smooth and clean without wrinkles/tears/granules/
bubbles/pinholes or other defects. This highly conformable product bonds well to most
surfaces over a wide range of temperatures and release film is heavily used in
consumer products worldwide.
| Name | Release Film double side silicone – Red | Specification | 0.07mm*1050mm | ||
| Testing Method | Q/TPXP 1-2013 | Date | 2020.8.5 | ||
| NO. | Testing Item | Factory Requirement | Testing Result | Conclusion | |
| 1 | Appearance | No bubble , no broken | Qualified | Qualified | |
| 2 | Specification (mm) | Width | 1050±5mm | 1052 | Qualified |
| Thickness | 0.07±0.005mm | 0.072 | Qualified | ||
| 3 | Max.F (N/50mm) | TD | ≥30 | 102 | Qualified |
| MD | ≥30 | 114 | Qualified | ||
| 4 | Elongation@Break (%) | TD | ≥150 | 864 | Qualified |
| MD | ≥200 | 726 | Qualified | ||
| 5 | Tensile Strength(MPa) | TD | ≥16 | 28 | Qualified |
| MD | ≥18 | 32 | Qualified | ||
| 6 | Release Force (N/25mm) | Outer Side: 0.142 | Qualified | ||
| Inner Side: 0.062 | |||||
| 7 | Subsequent Adhesion (%) | ≥75 | 79 | Qualified | |
Why use a release liner?
When you production self-adhesive products, such as tapes, bitumen waterproofing
membranes,tutyl rubber, etc. It used as a carrier which made the rolled products not
stick together, it's like a protective film, when you use the self-adhesive products,
it will be peeled off.
Applications:
| ♦ Used for self-adhesive waterproof membranes and other waterproof materials, adhesive tapes |
| ♦ Used for cables production, packaging materials |
| ♦ Used for cast materials, electronic applications, ceramic capacitors, window materials. printing, electronic, advertisements |
For kinds of DS self-adhesive tapes:
Why UPASS:
We have a Innovation Team to R&D new products, we have a QC team to control the quality,
make sure they are the best products when send out.