... 280g/300g/350g/400g/450g/500g quality: AAA grade, AA grade, A grade and B gradeQuality Introduction:1.High surface intensity suitable ... example HEIDELBERG,ROLAND, KBA, MITSUBISHI, LITHRONE etc..2.Super surface coating, good surface smoothness, stable ink absorbability, ... low surface roughness and rich printing dots, makes excellent printing result.3.Good ...