... by SGS 3.Tip sponge head with ESD Polypropylene handle 4.No contaminants DescriptionShenzhen Cleanmo Technology Co., Ltd. has been ... supported flexible paddle . Laundered and packed under an ISO Class 4 Cleanroom, The foam exhibits low particulate and ionic content. ... parts-Used in the electronics, semiconductor, hard disk drive, LCD,PCB,SMT, IC, medical and biotech industry . Packing Info:500swabs/ ...