Black Polythene Pouches for Graphic Arts Film              
Reference No. 204–06–017–00.
Specification :

  •  

Material

:

Polythene

  •  

Colour

:

Black

  •  

Construction

:

The bag should be of tubular type in which only bottom should be heat sealed by the supplier.  Sealing should be strong and perfect without damages or holes (when filled to half its capacity with water, there should not be any leakage in the sealing).

  •  

Thickness

:

800 ± 20 gauges or 200 ± 5 microns

  •  

Surface appearance

:

Smooth on both sides.  Free from sharp projections, casting lines, white patches, blisters, waviness, dust and other foreign particles.

  •  

Viewing through 500 watt flood lamp

:

Should be completely opaque must not shown any pin holes streaks or transparent band

  •  

Optical transmission

:

Above 5     

  •  

Photographic inactivity test

:

Should be photographically inert.  To be done in case of new supply.

  •  

Grammage

:

175 ± 5 GSM

  •  

Static

:

Pouches shall be static free.

  •  

Dust

:

Should be free from dust

  •  

Opening

:

Opening should be in the breadth side

  •  

Sealing width

:

10 mm

Physical Dimension (in mm) (Inner Dimension):                                                  


Film size

Length

Breadth

16” x 30 M x 3.5 M
18” x 30 M x 3.5 M
20” x 30 M x 3.5 M
22” x 30 M x 3.5 M
26” x 30 M x 3.5 M
30” x 30 M x 3.5 M
40” x 30 M x 3.5 M
16½” x 22½”
10”    x 12”
40     x 50 cms
50     x 60 cms

  639 ± 2 mm
  690 ± 2 mm
  740 ± 2 mm
  815 ± 2 mm
  890 ± 2 mm
  995 ± 2 mm
1250 ± 2 mm
  642 ± 2 mm
  375 ± 2 mm
  570 ± 2 mm
  670 ± 2 mm

  220 ± 2 mm
  220 ± 2 mm
  220 ± 2 mm
  220 ± 2 mm
  220 ± 2 mm
  220 ± 2 mm
  220 ± 2 mm
  455 ± 2 mm
  290 ± 2 mm
  435 ± 2 mm
  535 ± 2 mm

Tolerance : ± 2 mm                                                                     Sealing width : 10 ± 1mm