Features:1) Polyester and nylon blended micro-denier filament double-knitted construction2) 4 edges are cut and sealed by laser to prevent release of particles and lints3) 17 mega-ohm de-ionized water ensure the highest levels of cleanliness and purity4) Laundered and packaged in class 10 (ISO 4) clean room5) Excellent water and oil absorption, ultra low particles, ionic contaminants and extractable6) Softness and abrasion resistance is more superior to normal wiper7) ISO9001 quality control program to guarantee consistent quality8) Suited to class 10-100 environment and where abrasion resistance is critically neededSpecifications:1) Type (basis weight): a)SC4009 (200gsm) b)SC4109 (190gsm) c)SC4209 (170gsm)2) Sizes (package): a) 9" x 9" (100pcs/bag, 10 bags/ctn) b) 6" x 6" (100pcs/bag, 20 bags/ctn) c) 4" x 4" (300pcs/bag, 20 bags/ctn)