копировальная бумага

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 % 102-104%,98-100%,92-96% 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. Dimention (I)Internation standard A4(210mm*297mm),A3(420mm*297mm), (II)America standard 8.5inch*11inch (216mm*279mm), 8.5inch*13inch(216mm*330mm). Material:; 1. Mixed wood pulp( featuring ordinary quality ,and ordinary brightness ) 2. 100% wood pulp ( featuring super quality ,and super brightness)