Description
Reference standards: UNI EN ISO 5636-5: 2014 (for the determination of air permeability of papers and paperboards)
The apparatus is made by an external chrome-plated bronze cylinder and an internal cylinder in oxidized duralumin which constitutes the measuring element, having the following dimensions: ø external: 76,2mm and internal ø: 74,1mm
Height: 254mm
Weight: 20oz = 567g
Surface test area: 1sq.inc = 6.45 cm²
On the inner cylinder are engraved graduation that correspond to an internal area volume of: 25-50-100-150-200-250-300-350 cm³
Equipped with:
N.1 adapter plate: this is a reducer of the test area at 0.25 sq.inc = 1.61cm² for porous papers.
N.1 bottle of special oil for tests.
Optional:
Ultra light cylinder: weight 141.75g for very porous (tissue) papers
