1. The foil needs to be plain, free from streaks, unevenness wrinkles, scratches, cracks, rust residuals, oil spots, oxidation and stains or from any other defects.
2. The end face of the foil roll should be plain, no edge warping and bruise.
3. Splices will be ultrasonically welded and well visible marked at the flange a couple of layers before the joint. Strength of the weld at the seam to be min. 80% of the foil strength.
4. The uncoiling length in the adhesion experiment: the uncoiling length is less than1.0 m.
5. The aluminum foil roll should be without oil and peculiar smell. The Mist spray experiment should reach class A. Any demand for the wetting experiment will be arranged according to the contract.
Surface wetting tension
Pinhole diameter(mm) .
mist spray A grade
Our products are widely used in Beer label ,red wine label,bottleneck label The uncoiling property for foil rolls is favorable without stickiness and teared phenomenon, and the free uncoiling length for foil rolls is less than or equal to 1.5 m.