PVC
Blow PVC shrink film for label
regualr thickness is 40 micron,45 micron, 50 micron
Applicable Scope | Main materials for labeling factory | Noting Form | Put the measurements in receiving report | ||
Main materials |
Polyvinyl chloride (PVC) |
Measurement instruments | Steel rule 、thickness gauge 、 transparent comparing meter、 induction cooker、steel clamp、film press machine 、thermometer 、tea pot | ||
Number | Checking Item | Qualified Standard | Checking instrument | Remark | |
1 |
Thickness |
Ordered thickness ±10%。 Allowed deviation for thickness and thinness strip: ±15%, width not more than 1 centimeter. |
thickness gauge |
30mm-70mm | |
2 |
Width |
Ordered Width +0~5. |
Steel rule |
200mm- 1000mm | |
3 |
Meters and Joint Seam | 2000m-3000m per roll Over two joint seams are not allowed; 1 joint seam≤50%. |
Visual |
Colored adhesive tape as the mark | |
4 | Shrinking percentage in MD (length direction) |
Conventional film:0-3% (hot water 100℃ ,8seconds ) |
Steel rule, film press machine , thermometer | Other shrinking percentage as per required specifications | |
6 | Shrinking percentage in TD(across direction) |
Conventional film50%-53% (hot water 100℃ ,8 seconds ) | Other shrinking percentage as per required specifications |