To provide a cleaning material and sealing material of a particulate substance which can prevent the fraying of threads caused by cutting.
This cleaning material 30 comprises a support layer 31 made of a cushioning material, a slide contact layer 33 bonded with an adhesive film 32 to the front surface of the support layer 31, and a sticking layer 34 formed on the rear surface of the support layer 31. The slide contact layer 33 comprises a base fabric 35 comprising a knit fabric obtained by the warp knitting of threads and a plurality of pile threads 36 knitted so as to gig on the base fabric 35. This cleaning material 30 is attached to a support facing a moving body brought into contact with a fine particulate substance, scrapes away a fine particulate substance attached to the surface of the moving body with the pile threads to clean the surface of the moving body, and collects a fine particulate substance leaking through the gap between the moving body and the support to seal the leak of a fine particulate substance.
NAKAYAMA MASARU