100% synthetic polyester (continuous-filament, double-knit polyester) Features100% synthetic polyester (continuous-filament, double-knit polyester);Laser sealed border; Thermal method and Ultrasonic method are also available;Class10 cleanroom laundered and vacuumized, both folder and in bulk packaging options;Stable quality control, etc.BenefitsPrevents cleanroom contamination with ultraslow ...