China 60g Uncoated Woodfree Offset Printing Paper, Find details about China Offset Paper, Offset Printing Paper from 60g Uncoated Woodfree Offset Printing Paper
50gsm 55gsm 60gsm 70gsm 80gsm White woodfree offset printing paper
Physical Test | UNIT | Specification(offet printing paper ) | |||||||
Grammage | g/m2 | 50 | 56 | 60 | 70 | 80 | 90 | 100-120 | |
Moisture | % | 67 | |||||||
Thickness | um | 62 | 67 | 72 | 86 | 98 | 110 | 120-140 | |
Brightness | % | 90 | |||||||
Smoothness | WS | Sec./10 cc | 25 | ||||||
FS | Sec./10 cc | 25 | |||||||
Density | g/m3 | 0.73 | |||||||
Opacity | % | 72 | 74 | 76 | 80 | 84 | 87 | 90 | |
Cobb60 Data | g/m2 | ≤40 | |||||||
Tensile Strenghth | MD | kg/15 mm | 2.6 | 3 | 3.7 | 5 | 6 | 6.5 | 7-7.5 |
CD | kg/15 mm | 1.1 | 1.2 | 1.5 | 2 | 2.5 | 2.8 | 3-3.5 | |
Wax Packing | A | 14 | |||||||
Packing | 500 sheets/ream,25-30 reams/wooden pallent or in roll |