A3 500 l, light -bundles, 80 g/m2, whiteness 146% CIE, class C (price for 500 sheets)

leaf paper for office equipment svetocopy.

The number of sheets: 500 ± 2%; a sheet of A3 format - 297 x 420 mm; deviation in size of the sheet: not more than ± 0.5 mm, in kosin + 0.5 mm.

characteristics:

• mass of paper with an area of ​​1 m2, g - 80.0 ± 3
• thickness, microns - 104 ± 2
• The stiffness of MD, MN - 125 ± 20
• The stiffness of CD, MN - 55 ± 10
• roughness, ml/min - 215 ± 85
• white - cie, % - 146 ± 3
• whiteness - ISO D65/10O, % - 105 ± 1.5
• whiteness - ISO C/2O, % - 95 ± 1
• Oppressiveness, % - at least 91
• surface strength along Dennison - at least 14
• surface absorption of water (Cobb60), g/m2 - 25 ± 5
• breathability, ml/min - 800 ± 250
• Humidity, % - 4.6 ± 0.7
• Mass share of ash, % - % at least 18