PAPER
In Poland, according to the standards, paper products are: paper
(grammature to 250 g/m2) and cardboard (from 250 g/m2). According
to international regulations, the border is 225 g/m2.
There is also a customary division:
- tissue-papers (to 28 g/m2),
- papers (from 29 to 160 g/m2),
- thin cardboards (from 161 to 315 g/m2),
- cardboards (from 315 g/m2),
- bibulous papers (from 65 to 250 g/m2).
The clasification of papers using for printing:
- luxury printing papers
- papers for printing multicolor magazines
- news-papers
- special papers
- multicoat cardboards for printing, also high processed
Characteristic of paper depends on its properties, for example:
some of size
and structure
properties : |
- grammature
- thickness
- volumen
- size
- size stability
- smoothness
- cihesion of the basis
- doublesizing
- anizotrophy |
some of durability
properties: |
- extensibility
- tearing durability
- partly tearing durability
- bending durability
- breaking durability
- hardness
- softness
- stratifying resistance |
some of optical
properties: |
- whiteness
- tint
- polish |
some of properties
hydrophoboic and hydophilic: |
- absolute moisture
of the paper
- relative moisture of the paper
- proneness to waving
- water resistance |
some of special
properties : |
- time resistance
- proneness to powdering
- proneness to electrifying
- lye resistance
- printability |
(Stefan Jakucewicz: "Papier
w poligrafii", Inicjał Warszawa 1999)
TABLES
Paper formats
A
|
B
|
C
|
format
symbol
|
sheet size (mm)
|
format
symbol
|
sheet size
(mm)
|
format symbol
|
sheet size
(mm)
|
4A0
|
1682x2378
|
|
|
|
|
2A0
|
1189x1682
|
|
|
|
|
A0
|
841x1189
|
B0
|
1000x1414
|
C0
|
917x1297
|
A1
|
594x841
|
B1
|
707x1000
|
C1
|
648x917
|
A2
|
420x594
|
B2
|
500x707
|
C2
|
458x648
|
A3
|
297x420
|
B3
|
353x500
|
C3
|
324x458
|
A4
|
210x297
|
B4
|
250x353
|
C4
|
229x324
|
A5
|
148x210
|
B5
|
176x250
|
C5
|
162x229
|
A6
|
105x148
|
B6
|
125x176
|
C6
|
114x162
|
A7
|
74x105
|
B7
|
88x125
|
C7
|
81x114
|
A8
|
52x74
|
B8
|
62x88
|
C8
|
57x81
|
A9
|
37x52
|
B9
|
44x62
|
C9
|
40x57
|
A10
|
26x37
|
B10
|
31x44
|
C10
|
28x40
|
|
|
|