Professional-Grade Multipurpose Sandpaper Sheets — 9" x 11"

USA1 Abrasives ProStar Aluminum Oxide Sandpaper Sheets are engineered for professionals who demand consistent, long-lasting performance across a wide range of materials. Built on a heavyweight C-weight paper backing with an open-coat design, ProStar sheets cut faster, resist clogging, and outlast standard sandpaper on the job.

Technical Specifications

• Abrasive Material: Aluminum oxide
• Backing: Heavyweight C-weight paper
• Coat Type: Open coat for maximum clog resistance
• Bond Type: Resin bond for durability
• Sheet Size: 9" x 11" (standard full sheet)
• Package Size: 25 sheets (36–60 grit) / 50 sheets (80–280 grit)
• Application: Dry sanding on all surface types

Key Features & Benefits

• Open Coat Design: Widely spaced abrasive grains prevent loading and clogging — sheets last significantly longer
• High Cutting Capability: Sharp aluminum oxide grains remove material quickly and efficiently
• Heavyweight Backing: C-weight paper resists tearing under firm hand sanding pressure
• Multipurpose: Works on wood, metal, paint, drywall, and composite materials
• Self-Sharpening Grains: Aluminum oxide fractures during use to expose fresh cutting edges
• Professional Longevity: Outlasts economy sandpaper in demanding applications

Recommended Applications

• General purpose hand sanding on all surface types
• Block sanding for flat, even surfaces
• Paint and varnish removal
• Wood surface preparation before staining or finishing
• Metal surface preparation and deburring
• Drywall finishing and smoothing
• Sheet sander use (cut to 1/4, 1/3, or 1/2 sheet sizes)

Grit Selection Guide

• 36-60 Grit (25 sheets): Heavy stock removal, paint stripping, rough shaping
• 80-120 Grit (50 sheets): General purpose smoothing, removing mill marks
• 150-180 Grit (50 sheets): Fine sanding before stain or primer
• 220-280 Grit (50 sheets): Final finish sanding, between-coat sanding

ProStar Quality. Professional Performance. Built to Last Longer.