Guang Xi Baisheng Light Metal Material Co.Ltd
Guang Xi Bai Sheng Light Metal Material Co.Ltd Aluminium semi-products leading manufacturer and distributor in china
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GBS all specification and performance of heavy gauge aluminium foils
Product Description
1. PURPOSE
This specification covers production and inspection for aluminium foil products and describes the quality attributes of the foil rolls.
2. OBJECTIVE
To establish definitive quality standards on foil rolls, thereby minimizing claims attributable to any lack of understanding between supplier and customer.
3. PHYSICAL REQUIREMENTS
3.1 ALLOY AND TEMPER
Alloy and temper should correspond to Table 1.
Table 1
| Alloy | Temper |
| 1030B,1070,1070A,1060,1050,1050A,1235,1145,1100,3003,8011,8079, | O,H14,H18,H19,H22,H24, H26 |
3.2 SPECIFICATION AND TOLERANCE
The specification is as below Table 2.
Table 2
Gauge | Width | Gauge Tolerance | Width Tolerance | ID | OD | Core |
| 0.009-0.2 | 40-1650mm | +/-5% | +/-1 | 76, 152 | 100-950 | Aluminum or Steel |
3.3 CHEMICAL COMPOSITION
Here the chemical composition covers alloy 8011 or alloy 1235. (see Table 3)
Table 3
| Alloy | 8011 | 1235 | |
| Si | 0.50-0.9 | (Si+Fe):0.65 |
| Fe | 0.6-1.0 | ||
| Cu | 0.10 | 0.05 | |
| Mn | 0.20 | 0.05 | |
| Mg | 0.05 | 0.05 | |
| Cr | 0.05 | ------ | |
| Zn | 0.10 | 0.10 | |
| Ti | 0.08 | 0.06 | |
| Others | ------ | V:0.05 | |
| Al | Remainder | ≧99.35 | |
Remark: Foil covered herein is 8011/1235 alloy aluminum master rolls at specified gauges of 0.009-0.050mm nominal thickness.
3.4 MECHANICAL PROPERTIE
Mechanical properties should correspond to Table 4.
Table 4
Product | Gauge | Alloy-Temper | Mechanical Properties | |
Tensile Strength (Mpa) | Elongation(δ%) | |||
Flexible Packaging | 0.006-0.007 | 1235-O | 60～80 | ＞0.5 |
|
|
| ||
＞0.009-0.020 | 60～80 | ＞1.0 | ||
0.009-0.030 | 8011-O | 80～100 | ＞2.0 | |
Pharmaceutical |
| 1235-O |
|
|
＞0.009-0.020 | 60～80 | ≥1.0 | ||
＞0.020-0.030 | 60～80 | ≥1.0 | ||
0.018-0.030 | 8011-H18 | ≥180 | ≥2.0 | |
0.009-0.08 | 8011-O | ≥75 | ≥3.0 | |
Beer Bottle | 0.009-0.010 | 8011-O | 80～105 | ≥2.0 |
＞0.010-0.0115 | 80～105 | ≥3.0 | ||
Toothpaste Tube | 0.009-0.011 | 8011-O | ≥70 | ≥2.0 |
0.011-0.016 | ≥80 | ≥3.0 | ||
0.016-0.03 | ≥80 | ≥3.0 | ||
Container Foil | 0.030-0.130 | 3003-H24 | 140～190 | ≥6.0 |
Hot Seal or Lidding Foil | 0.020-0.060 | 8011-O | 70～105 | ≥4.0 |
Adhesive Tape Foil | 0.010-0.050 | 8011-O | ≥55 | ≥2.0 |
Aluminium Flexible Air Ducts (coated) | 0.06-0.08 | 1100-H22 | 90～135 | ＞3.0 |
Fin Stock | 0.08-0.20 | 1030B-H26 | 130～160 | ≥5.0 |
3.5 SURFACE CONDITION
3.5.1 The surface shall be cleaned and free from inclusions, scratches, wrinkles, cracks, overlapping or other internal defects.
3.5.2 Pin-holes
The pin-holes should correspond to Table 5.
Table 5
Denomination | Pinholes/ m2 (max) | |||
Cigarette Foil &Foil for laminating with paper board &Capacitor Foil | Flexible Packaging Foil | Pharmaceutical Foil | Beer Bottle Wrapping Foil | |
0.009 | 500 | 30 | 30 | 50 |
0.009-0.011 | 200 | 20 | 20 | 30 |
0.011-0.015 | 200 | 10 | 5 | 10 |
0.015—0.020 | 60 | 5 | 1 | / |
0.020—0.050 | 30 | 0 | 0 | / |
>0.050 | 0 | 0 | 0 | / |
3.5.3 Spices
The splices are as below Table 6.
Table 6
| Roll Diameter,mm | Splices |
| ≤400 | ≤1 |
| ＞400 | ≤2 |
a) All splices to be ultrasonic/tape.
b) It is allowed one splice per roll. (Max. once per 2000m)
c) Marked at the roll edge with a film, placed close to the splice.
3.5.4 Oil Residues
The wettability for temper O corresponds to Grade A or 72 dyne minimum by water-brush test..
4. PACKINGAND SHIPPING REQUIREMENTS
4.1 Quantities – As specified on the purchase order with a tolerance of +/- 10% unless otherwise stated on the order.
4.2 Packaging – Foil rolls are to be packed in collapsible aluminum racks or steel racks as specified in such a manner that normal handling by common carrier will ensure safe transportation without damage to the foil. This includes wrapping to protect the foil from water stain and corrosion.
4.3 Identification – Each roll shall be identified with the following:
a) Order number (release number)
b) Part number (from RMC Purchase Order)
c) Gauge (mm)
d) Width (mm)
e) Net weight (kg)
