Features:1) 100% continuous polyester filament in a double-knit construction2) 4 edges are cut and sealed by laser to prevent release of particles and lints3) Excellent water and oil absorption, extremely low ionic contaminants and extractable4) Laundered and packaged in class 10 (ISO 4) cleanroom5) 17 mega-ohm de-oinized water ensure the highest levels of cleanliness and purity6) ISO9001 quality control program to guarantee consistent qualitySpecifications:1) Type (basis weight): a) SC1109 (115gsm) b) SC1209 (130gsm) c) SC1309 (150gsm)2) Sizes (package): a) 9" x 9" (150pcs/bag, 10bags/ctn) b) 6" x 6" (300pcs/bag, 10bags/ctn) c) 4" x 4" (600pcs/bag, 10bags/ctn)3) For class100, class1000, class10000 cleanroom