RAVIRAJ FOILS LIMITED manufactures light gauge converter foil with the following general specification. The final product specifications made as per agreed contract with the customers.
FOIL MATERIAL :
Aluminium alloy AA-1200 or AA 1235 conforming to Aluminium Association. Specification.
Soft (fully annealed; ‘O’)
One side matt and other side bright.
Bright side out or dull side out.
0.007 mm, 0.008mm, 0.009 mm and 0.012 mm
THICKNESS TOLERANCE :
± 8% over nominal thickness.
PINHOLE COUNT :
|FOIL THICKNESS (MM)||AVERAGE PINHOLES (PER SQ. M)||MAXIMUM|
On request, better pinhole count can be maintained.
WETTABILITY (SURFACE TENSION) :
A to C or to withstand 68 to 72 dynes (i.e. 70 ± 2 dynes) on either face of foil.
Material shall fall freely on 1.5 m length load.
Shall be made of smooth ultrasonic welding through out the web width.
|NUMBER OF SPLICING :
||Average number of splices per roll shall not exceed 2 whereas maximum number of splices in a roll is 3 and the permissible frequency of occurrence will not exceed the limit shown below:|
Consignment size having 3 splices
Maximum number of rolls
|IDENTIFICATION OF JOINTS:||All splice joints will be flag marked for easy identification.|
|CORE MATERIAL:||Aluminium or Steel|
|CORE LENGTH & I.D.:||Flush or Protruded with 76 mm (+/-0.5 mm), 102 mm (+1.5/-0.5 mm) or 152 mm ID (+2.5 / 0.5 mm)|
|REEL OD:||700 mm maximum|
|ROLL WIDTH:||950 mm maximum ± 1 mm.|
|FINNING:||Finning caused by web misalignment shall not exceed 2 mm and shall not occur more than once in every three rolls|
|IDENTIFICATION:||Each reel is identified with a ticket having reel number, specification, operator number and manufacturing date.|
|PACKING:||Rolls individually wrapped, placed in top bottom combination wooden boxes with Silica Gel packets and making as specified by customer.|
|TEST CERTICATES:||Test certificate incorporate (a) Thickness (b) Width (c) Wettability and (c) Number of joints. Any other information sought by the customer can also be given.|