The only certified cleanroom sponge. Blown urethane sponges Class 100 cleanroom packaged and processed level 2 bag.
Ultra Clean Sponge
Blown urethane sponges, Class 100 (ISO 5) cleanroom packaged and processed in level 2 bag. Less than 100 particles per cu. ft. 3 oz. Sponges are sold individually. The only certified cleanroom cleaned sponge.
