The Cleanroom Foam Swab FS750 is engineered for precision cleaning in critical environments where contamination control is essential. Made from compressed, 100 PPI (Z) open-cell polyurethane foam, the swab head is free from organic contaminants and delivers excellent solvent absorption with minimal residue. The foam head is thermally bonded to a rigid handle, eliminating the risk of adhesive contamination. 它是 …