Model#: BT-10 US Standard Screen Size: 100-170 Bead Size Range (Dia, Inches): .0059-.0035 MIL. SPEC. (PRF-9954D) No. 10 Blast-O-Lite glass beads, produced by Flex-O-Lite, are the ultimate in glass bead technology. Specially formulated of chemically inert soda-lime glass to produce a clean surface for parts and equipment, Blast-O-Lite glass beads are spheres of uniform size and hardness that impact the surface of the part. Blast-O-Lite glass beads meet OSHA standards for finishing, deburring, peening and cleaning operations. They are environmentally and user-friendly. They release no free silica or toxins that may harm workers or the environment, and if the glass beads breakdown during use they fracture and do not contaminate work pieces. Flex-O-Lite's Blast-O-Lite glass beads will not harm the environment, so when the spent glass needs to be disposed of it's less expensive, and requires much less paperwork then disposing of chemical cleaners.