Detailed product description Chamex multi copy paper a4 80gsm - substance g/m2 80 + - 2.5 - substance variation cd g/m2 equal to/below 4 - thickness um 106-112 - thickness difference cd % equal to/below 10 - brightness % 100-102 - opacity % equal to/below 90 - breaking length average m equal to/above 3200 8 smoothness average of two sides g 20-25 variation of two sides % equal to/below 30 - surface absorbing weight g/m2 equal to/below 30 - shrinking variation cd % equal to/below 2.8 - folding endurance cd times equal to/more than 15 - dirt (0.2-1.5 mm2) point/m2 equal to/below 65 more than. 5mm2 0 - moisture content % 4.5-6.0 - ash % equal to/below 16.0 - sizing mm equal to/more than 0.75mm - substance :80g/m2 - brightness : 102=104% - whiteness : cie 167 Minimum order 1 contaier 20ft