Product is mainly used to penetration-proof,airproof &separation in rubbish burying square,man-made lake,channel,pool,basement Use:Product is mainly used to penetration-proof,airproof &separation in rubbish burying square,man-made lake,channel,pool,basement,subway,etc.Main Specification:Product width:4200-6200mmMoving fabric speed:2.5-3m/min Bentonite complex waterproof pad production line