ONORM EN 20534:1993被替代

Explains two methods of measuring the thickness of paper and board and of calculating the apparent bulk density or the apparent sheet density from the thickness determinations. Not applicable to corrugated fibreboard and, to certain soft papers. It should be noted that two alternative pressures are permitted in the pressure of 100 kPa plus or minus 10 kPa is preferred. Covers normative references, definitions, principle, apparatus, sampling, conditioning, preparations of test pieces, procedure, expression of results, precision and test report.

ONORM EN ISO 534:2005

NF EN 20534:1993 - Identical

BS EN 20534:1994 - Identical

NBN EN 20534:1994 - Identical

I.S. EN 20534:1994 - Identical

ISO 534:2005 - Identical

UNI EN 20534:1994 - Identical

UNE EN 20534:1994 - Identical

SS EN 20534 Ed. 1 (1994) - Identical

DIN EN 20534 (1993-10) - Identical

SN EN 20534:1994 - Identical