Norton ProSand 150B Medium Grit Paper Sheet. Sand super alloys, metals, woods and fiberglass composites with the ProSand 150B medium grit paper sheet, and enjoy an excellent cut rate and long-lasting durability. The sheet is crafted with a heat-treated abrasive affixed to a fiber-reinforced backing that maintains flexibility while ensuring excellent grain retention. An open coat, non-pigmented, water-based stearate coating prevents color transfer and produces minimal loading. An ideal product for moderate material removal and finishing, this versatile sandpaper delivers great results with a sanding block or board, or when used for hand-sanding projects.

Abrasive: Aluminum Oxide
Attachment: Machine Dependent
Backing Material: C-wt. Anti Loading Paper
Coated or Non-woven: Coated