... : 70gsm 3 Brightness :92%~110% 4 OEM service available High CIE Copy Paper 1, 70gsm, 2. Size: A4, B4, B5, 8 ... high quality with good price Basis weightg/m270Caliperum93Brightness%100-103%CIE 160±5Opacity ≥%90 Cobb g/m220~35SmoothnessAverage of both sides ...