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Core Cardboard is intended for production of sleeves for the production of pulp and paper mills, sleeve for stretch film, an adhesive tape, and also for production of various cardboard wound barrels, cans, tubes and other products. The cardboard is made in rolls and a cardboard tape (reels). Width of a roll can vary according to request of the consumer.

OS 00287846-002-2008

The core cardboard of TG grade is intended for production of paper sleeves, plugs, spools, drums of different function.
It is made in rolls and in a cardboard tape in reels.
Roll format, reel width – in coordination with the consumer.

Technical characteristics of cardboards:

Indicator name
Weight 1m2, g 190 – 430
Deviation on weight 1m2 ,± g, no more:
For a cardboard weighing 1m²190 – 250
260 – 430
15
20
Thickness, mm 0,3 – 0,7
on thickness, ±mm, no more: for a cardboard weighing 1m² : 190 -250
260 – 430
0,025
0,05
Destroying effort on the average in two directions, kgf, not less:
For a cardboard weighing 1m²:190-250
260 – 430
12
15
Resistance to stratifying, N, not less 120,0
Absolute resistance to breakdown, kPa 330 – 490
Humidity, % 5,0 – 9,0
Absorbency at unilateral wetting, kobb 60, g/m² 30 – 70
Dirtiness (number of motes on 1 m²):
– The amount of inclusions from 1, 0 to 4, 0 мм²
– The amount of inclusions from 4, 0 to 6, 0 mm²
650
75

It is offered for delivery core cardboard PORI 350,400,500,600 grades of CORENSO OY production.