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Printed Circuit Board (pcb) Entry Sheets

Manufactured with state-of-the-art equipment, the printed circuit board entry sheets match international standards.

Specification
Printed Circuit Board (pcb) Entry Sheets

Manufactured with state-of-the-art equipment, the printed circuit board entry sheets match international standards.

Hindalco's Printed Circuit Board (PCB) entry sheets are manufactured with state-of-the-art equipment which matches international standards. Tight thickness tolerance, flatness, dimensional accuracy and grease-free surface and hardness optimal for burr-free drilling required in the manufacture of PCB are ensured.

Continuous upgrades and process improvement enable us to keep pace with the demands of its ever-growing clientele.

Dimensions
Parameter Range Tolerance
Thickness (mm) 0.15 — 0.28 +/-0.01
Width (mm) 1250 max +/-1
Length (mm) 2000 max +/-1
Diagonal difference (mm) - 2

 

Mechanical properties
Alloy (AA) Temper UTS (mpa) %E(min)
(50mm gauge length)
Min Max
3105 H18 190 - 1
8011 H18 175 - 1
1050 H18 125 - 1
No oil stain on sheet surface

 

 

Chemical composition
Alloy (%) AA 3105 AA 8011 AA 1050
Fe 0.70 0.60 — 1.00 0.25 — 0.35
Si 0.60 0.50 — 0.90 0.12
Mg 0.20 — 0.80 0.05 0.02
Mn 0.30 — 0.80 0.20 0.03
Cu 0.30 0.10 0.02
Zn 0.25 0.10 -
Ti 0.10 0.08 0.015
Cr 0.10 0.05 -
Each (Others) 0.05 0.05 0.03
Total (Others) 0.15 0.15 -
Al Remainder Remainder Remainder

 

Applicable standards

  • ASTM-B-209M, Aluminium association — aluminium standards and data, Hindalco manufacturing limits (as applicable).

Packing

The PCB entry sheets are wrapped with HDPE, hardboard on top and bottom of the stack, hoop iron along the length of the sheets and is placed on wooden skids with runners and finally put in wooden boxes. Silica gel packets for moisture protection are used.

Applications :
  • Electronic circuit boards
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