Unit cartons (E-flute) with overprinting on chromo board for Industrial x-ray film

Reference No. : Sub Table 20 – 01, Procedure No.115 – 12 – 016 – 001.

Specification

1.

Construction and dimension

As per drawing No.24 / M / 244 / C
(Note – 12”X15” unit carton is to be used for packing 12” x 15”)

2.

Components of the cartons
 A. Inner Sleeve ( 5 ply)

5 ply “E” Flute, cross-fluted, should be made out of good quality virgin Kraft paper.  Pasting of joints should be done on the sides only with PVA based synthetic adhesive.  Bottom should not have any joint.

 

Bursting strength

Grammage :

        a. Individual

       
       b. Combined

14 kgs / sq.cm (Min.)

 

160 + 160 + 160 + 160 + 160 GSM (min.) for Kraft paper.

950 ± 5 % GSM

 

B. Outer bottom ( 3 ply)

3 ply “E” Flute, straight fluted, made out of good quality virgin Kraft paper with chromo board on top with overprinting and varnish coated.  Pasting of joints should be done on the sides should be done on the sides only with PVA based synthetic adhesive.  Bottom should not have any joint.

 

Bursting strength

Grammage :

  • Individual

 

        b.   Combined

9 kgs / sq.cm (min.)

 

160 + 160 GSM (min) for Kraft paper.
+325 GSM Minimum for Chromo Board
700 ± 5 % GSM.

 

 C.   Top lid ( 3 ply)

3 ply “E” Flute, straight fluted, made out of good quality virgin Kraft paper with chromo board on top with over printing and varnish coated.  Pasting of joints should be done with PVA based synthetic adhesive only.

 

Bursting strength

Grammage :

  1. Individual

 

  1. Combined

9 kgs / sq.cm (min.)

 

160 + 160 GSM (min) for Kraft paper + 325 GSM (min) for chromo board.
700 ± 5 %  GSM.

3.

Creasing

By machine scoring

4.

Glue

PVA based synthetic adhesive