... . 100%Polyester (ND-M3-AT) 2, 100%Rayon (ND-M3-AR) 3, 40%Rayon+60%Polyester (ND-M3-4R6T) 4 70%Rayon ... room applications.Material : 1. 100%Polyester (ND-M3-AT)2, 100%Rayon (ND-M3-AR)3, 40%Rayon+60%Polyester (ND ... -M3-4R6T)4, 70%Rayon+30%Polyester (ND-M3-7R3T)Size: 25cm*25cm Application: ... Chemical , instrument, Laboratory, Food indusries etc., Cleanroom Wipers (ND-M3 series)