BS 3983(1989) : AMD 7810
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
METHOD FOR DETERMINATION OF THICKNESS AND APPARENT BULK DENSITY OR APPARENT SHEET DENSITY OF PAPER AND BOARD
02-15-1994
11-23-2012
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 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. BS AMD 7810 RENUMBERS THIS STANDARD TO BS EN 20534
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