... . Main products:carbonless copy paper in sheet 4. Gsm:30-80 Specification:Our regular spec of ncr is: 787*1092mm,889*1194mm ... or blue imageRegular grammage45, 50, 55, 80 CB white or tinted;47, 50, 55, 80 CF white or tinted;50, 52 CFB ... %;ΔD≥88% (3 ply prints);TSI (MD)≥60 N.m/g;Surface strength (medium viscosity printing ink)≥0.5 m/s ...