... material, non-corrosive b, packing soft, do not wear copier parts Copy Paper 1. GSM :70 \75 \80 ... in weight 2. Size :A4, 8.5'*11' ,8.5'*13'/14,A3 3. Brightness:94%-96,98%-100%,102%- ... in weight2. Size : 8.5'*11' (216mm*279mm),A4(210mm*297mm) ,8.5'*13'(216mm*330mm).parallel to the ... , in accordance with international standards, water content 4.5% ~ 5.5%, caused by excessive moisture copy is not clear, ...