Light Gauge Foil
MicroFoils Inc manufactures light gauge converter foil with the following general specification. The final product specifications made as per agreed contract with the customers.
Pin Holes:
| Thickness (mm) | Pin holes per square meter (Max.) |
|---|---|
| Below 7µm | 450 |
| 8 -9 µm | 150 |
| 10-12 µm | 100 |
| 13 -16 µm | 10 |
| 17.25 µm | 1 |
| >25 | Free of pin holes |
Foil Material : | Below 9 micron: Aluminium alloy AA8079 or AA1235 conforming to Aluminium Association, USA specification. 9 micron and above micron: Aluminium alloy AA8011, AA 8079 and AA 1235 conforming to Aluminium Association, USA specification. | |
| Temper: | Soft(Fully annealed; ’O’) | |
| Thickness(mm): | Below 0.006,0.006,0.00635,0.007,0.009,0.012,0.018,0.020,0.025 | |
| Width: | 350 mm to 2100 mm | |
| Thickness tolerance: | ± 6% | |
| Width Tolerance: | ± 1 mm | |
| Wet ability-Surface tension: | Grade A or to withstand 72 dynes/cm on each surface of the foil. | |
| Surface: | One side matt and other side bright, Both side bright. | |
| Stickiness: | Material shall be free on 1.5 meter length load. | |
| Type of Core: | Aluminium or Steel | |
| Core ID: | 76.2 mm or 152.4 mm | |
| Reel OD: | Max. 850 mm(According to the customer order) | |
| Splice: | Shall be made of smooth ultrasonic welding throughout the web width. | |
| Number of Splice: | Average number of splices per roll shall not exceed two per roll.
| |
Physical Properties: Tensile strength: 65- 100 N/mm²( Test Condition: Measuring length:100 mm, sample width:15mm, testing speed:100mm/min
| Thickness(mm) | Elongation (%) |
|---|---|
| Below 7µm | >1.0 |
| 8 -9 µm | >1.5 |
| 10-12 µm | >2.5 |
| 13 -16 µm | >3 |
| 17-25 µm | >4.5 |
| >25 | >5 |
| Identification: | Each reel is identified with a ticket having Product name, reel number, specification. | |
| Packing: | Rolls individually wrapped and secured to prevent damage or contamination in storage and/or transit. Placed in wooden box. | |
| Test Certificate(COA): | Test certificate incorporates (a) Thickness (b) Width (c) Wet ability (d) No of pin holes and any other information sought by the customer can also be given. | |
| Food Grade : | This specification complies with all applicable EU Regulations and directives regarding food contact legislation in particular with • EU Framework Regulation (EC) No 1935/2004 • EU Regulation (EC) No. 2023/2006 on good manufacturing practice. • Directive (EC) 94/62, Article 11 and US CONEG regarding the heavy metal content of the sum of Pb, Cd, Hg and Cr < 100 ppm. The used rolling oil complies with FDA 21CFR S 178.3910(a) This specification complies with the following applicable European Norms: EN 573-3,EN 602 | |