Pulp and Paper Institute, Bogišićeva 8, 1000 Ljubljana, SL
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Special technical paper and board

Cover paper and carrier board

Cover paper and carrier board are using in the laboratory production of papers on the laboratory sheet former Rapid Koethen. Complies with the requirements of ISO 5269-2 and Tappi T205.

Paper Specification - Cover and carrier board 

  

Absorbent (blotting) board

The blotting board is used at laboratory tests of the water absorption of paper Cobb and at making laboratory papers on conventional sheet formers because it suits the requirements of ISO 535 and ISO 5269-1.

Paper Specification - Absorbent (blotting) board 

 

Parameter

Standard

Cover paper and carrier board

Blotting paper

Basis weight  [g/m2]

SIST EN ISO 536

65 ± 5

200 ± 10

250 ± 25

COBB60  [g/m2]

SIST EN ISO 535

15 ± 2

20 ± 5

 
Smoothnes – Bekk [s]

ISO 5627

80 - 120

20 - 25

 
Absorption Klemm [mm]

ISO 8787

   

70 ± 20

Water uptake [g/m2]

ISO 5269-1

   

450 ± 50

 

Andrej Šinkovec

Andrej Šinkovec

P: +386 1 200 28 30
andrej.sinkovec@icp-lj.si