The Dust Test Tape is applied with thumb pressure to the Dust Test Comparator in a section which contrasts to the colour of the dust. The quantity and size of dust particles on the Tape is assessed by visually comparing an area of the Tape with equivalent-sized areas of the pictorial references shown on the Comparator.
Dust Test Comparator charts (Pack 50)
The Dust Test Comparator when used with the Dust Test Tape will allow you to assess the quantity and size of dust particles on blast-cleaned steel.
The Dust Test Comparator Chart shows 5 classifications of dust particles and 4 sections of contrasting backgrounds where the Dust Test Tape can be applied.
Compliant to ISO 8502-3.
Dust Test Comparator charts (Pack 50) - Ref: T01-30467