ITW Texwipe TX49P Vertex is a cleanroom wiper constructed of a 100% polyester, double-knit, continuous-filament material - pre-wetted with 70% IPA. While offering an extremely low particle release and fiber levels, these wipers are able to prevent contamination in the most important places within the cleanroom. Optimized for general wiping and spill control within critical environments with its high absorbency features.