... ,100% Polyester. 2, No fiber off, non-scratched. 3, Laser sealed. 4, Washed in Class 100 cleanroom. Wiper KB-3009 130gsm ... of 100% Polyester Single-Knit, Soft texture;2, cut and sealed by machine, with lower particles;3, abrasion and chemical resistant ... products are exported to Europe, Northern America, Southeastern Asia. Microfiber-Sealed edge wiper 1009LE 130gsm