protection tape for spectacle lens polishing process
Features: Protection tape for spectacle lens is made of special PVC film as substrate, and single-sided coated with excellent acrylic adhesive, good comprehensive performance. The surface of the material is combined with liquid alloy, and it provides a strong binding force after cooling. Excellent conformability, stable adhesion and no residual glue after peeling.
Applications: M6761 is used for protecting spectacle lens during polishing process.
Remarks: Prohibit transportation and storage with volatile organic solvents, avoid direct sunlight and rain. Optimal storage conditions: temperature 23±2℃, relative humidity 50±5%RH. Best using performance within 6 months after production date.
Structure |
Color |
Substrate |
Total thickness |
Adhesive |
Standard length |
Blue |
PVC film |
0.13±0.01mm |
Acrylic |
50m |
Structure |
|
|
Release film |
|
chart |
|
Acrylic Adhesive |
|
|
|
Special PVC film |
|
Parameters |
Item |
Standard Value |
Test method/Tool |
Appearance |
Flat surface, no wrinkle |
Visual Inspection |
Total thickness |
0.130±0.010mm |
GB/T 7125-1999 |
Adhesion to steel |
600±200g/25mm |
GB/T 2792-2014 |
Tensile strength |
≥3.5 Kg/25mm |
GB/T 13542-2009 |
Elongation |
≥150 % |
GB/T 13542-2009 |