ESD&dust-free notebook in class 100 1)Excellent ESD Performance 2)static sensitive ... leadtim ESD&dust-freenotebookBasic weight:72gsm, Caliper:5.0mil A3,A4,A5,A6,B5 available.esd Notebooks are the only notebooks ... retrieval. Size; A3,A4, A5 are available. Sewn-bound and spiral package. 20,32, 50 sheets per notebook for choose.Specification:Basic ...