... light durability 4.Attractive packaging Carbonless NCR Paper GradesNCR PaperSubstance (gsm)CB white or tinted: 48,50,52,55,60CFB white or tinted:50,52,55CF ... white or tinted: 48,50,52,55 ... ,60*Tinted: green, pink, yellow, blueBasis Weight variation±5%;Whiteness≥85%Opacity≥60%Paper ...