Офисная бумага А4

A4Duplicate pape 1, 70, 75, 80gsm, 2.Size:A3, A4, B4, B5, 8.5"x11", 8.5"x13". 3.100% virgin wood pulp, 4.500sheets/ream.5-10reams/carton 5.White and color 6.Supply OEM service. PHYSICAL TEST UNIT SPECIFICATION Grammage g/m2 70 75 80 Thickness µm ≥91 95 101 Density g/cm3 ≥0.72 Roughness WS ml /min. 200 350 200 400 200 400 FS ml /min. 200 350 200 400 200 400 Brightness % ≥102 Opacity % ≥82 ≥84 ≥86 Cobb60 Data g/m2 ≤30 Tensile MD Kg /15 mm 4.5 5 6.2 Strenghth CD Kg /15 mm 2 2 2.5 Moisture % 4 7 Wax picking A ≥14 Usage Office Packing 500sheets/ream, 5-10reams/carton.