Testing services / Kappa number of paper, board, or pulp according to ISO 302

Kappa number of paper, board, or pulp according to ISO 302

The Kappa number describes the lignin content or bleachability of pulp. With this test, the kappa number is determined as per the ISO 302 standard, which applies to all kinds of chemical and semi-chemical pulps within a Kappa number range from 1 to 100.

For pulps with higher Kappa numbers, the ISO 3260 procedure is recommended.

Suitable sample matrices: Paper, board, pulp
Typical turnaround time: 3 weeks after receiving the samples
Quality system: Accredited test method
Device types: Standard specific equipment
Standard: ISO 302
Method expert: Oona Korhonen
oona.korhonen@measurlabs.com +358 50 911 5214

Paper and board

Questions? We're happy to help.

info@measurlabs.com

+358 50 336 6128

Questions? We're happy to help.

info@measurlabs.com

+358 50 336 6128

Ringing phone

Other tests we offer

Metal screening by ICP-SFMS

pH of aqueous extracts in cold or hot water extractions of paper, board or pulp

ISO 6588, PN 84/P-50109

Metals in oil and solvents by ICP-SFMS (Al, As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, Zn, V)

Ash content of paper, board or pulp

Oxygen transmission rate (OTR) of films and sheeting

ASTM D3985, ASTM F1927, …

Sensory analysis – transfer of odor and flavor from food contact materials (DIN 10955)

Water vapor transmission rate (WVTR) of films and sheeting

ASTM F1249, ISO 15106-2

Sensory analysis – odor and flavor (EN 1230-1 and -2)

EN 1230-1, EN 1230-2

ISO brightness of paper or paperboard

Transfer of color from paper or board to food

Results in four easy steps

Person selecting tests on a computer

1

Select the tests you need

Order confirmation message

2

Get an order confirmation

Sample shipping package

3

Ship your samples to us

Person receives an email on his phone

4

Receive your test report