Specifications:
Hindalco's foil stock is produced from high-quality rolling ingots and concast coils. Manufactured with sophisticated equipment, the foil stock is free of surface and sub-surface defects. Matching international quality standards, it can be rolled to thin gauges of aluminium foil for a number of applications.
Stringent quality checks ensure a world-class range of sheets, extrusions and foil products from Hindalco. Continuous upgrades and process improvement enable it to keep pace with the demands of its ever-growing markets.
| Dimensions |
| Parameter |
Range |
Tolerance |
| Thickness (mm) |
0.06 — 0.60 |
+/-5% |
| Width (mm) |
690 — 1600,
Deckle matching up
to 1600 is preferred for width
< 800 |
+2,
-0 |
| Coil I.D (mm) on metal / paper core |
203,
250, 305, 406, 508 |
- |
| Coil density (kg/mm) |
1.5 — 3.5
5.5 subject to enquiry |
- |
| Mechanical properties |
| Alloy (AA) |
Temper |
%E (min) (50mm gauge length) |
UTS (mpa) |
End use |
| Min |
Max |
| 1200 |
M** |
2 |
125 |
165 |
Pharma, medium gauge |
| H14 |
3* |
105 |
140 |
| H16 |
5* |
90* |
130* |
| 1235 |
M |
2 |
125 |
165 |
Light gauge |
| 8011 |
M |
2 |
135 |
180 |
Pharma, cable warp |
| 8079 |
M |
1 |
130 |
170 |
Double-sided blister
for >9 mic high
strength application |
| *Typical values |
| **M temper UTS range is for a typical thickness of 0.28 mm |
| Chemical composition |
| Alloy (%) |
AA1200 |
AA1235 |
AA8011 |
AA8079 |
| Fe |
1.00 |
0.65 |
0.60 — 0.01 |
0.70 — 1.30 |
| Si |
(Fe + Si) |
(Fe + Si) |
0.50 — 0.90 |
0.05 — 0.30 |
| Mg |
- |
0.05 |
0.05 |
- |
| Mn |
0.05 |
0.05 |
0.20 |
- |
| Cu |
0.05 |
0.05 |
0.10 |
0.05 |
| Zn |
0.10 |
0.1 |
0.10 |
0.1 |
| Ti |
0.05 |
0.06 |
0.08 |
- |
| Cr |
- |
- |
0.05 |
- |
| Each (Others) |
0.05 |
0.03 |
0.05 |
0.05 |
| Total (Others) |
0.125 |
- |
0.15 |
0.15 |
| Al |
99 |
99.35 |
Remainder |
Remainder |
| Single number indicates maximum content |
Flatness
Less than 20 I units (typical)
Wedge
Within 0.7% (typical)
Coil build-up quality
Weave — 2 mm (max), total shift 5 mm (max)
Surface quality
Suitable for foil rolling
Applicable standards
ASTM - B -209M, Aluminium association — aluminium standards and data, Hindalco manufacturing limits (as applicable).
Packing
Foil stock is wrapped in HDPE fabric and hardboard, strapped with hoop iron and placed in an eye-to-sky or eye-to-wall position. Moisture protection is provided with silica gel packets.
Applications :
- Pharma / confectioneries / cigarette foils
- Foils
- Tetrapacks