: : ALUMINIUM FOIL & FLEXIBLE PACKING >>Light Gauge Converter Foil

Metal Industries 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.
  
  
• TEMPER :
  ..................................................................................................
  Soft (fully annealed; ‘O’)
  
  
• SURFACE :
  ..................................................................................................
  One side matt and other side bright.
  
  
• WINDING :
  ..................................................................................................
  Bright side out or dull side out.
  
  
• THICKNESS :
  ..................................................................................................
  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
  0.007	400	700
  0.008	200	500
  0.009	<100	200
  0.012	<50	150

  
  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.
  
  
• STICKNESS :
  ..................................................................................................
  Material shall fall freely on 1.5 m length load.
  
  
• SPLICING :
  ..................................................................................................
  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
  	1-10 rolls	2
  	11-30 rolls	4
  	31-50 rolls	6
  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.