Blue Aluminium sanding disc without holes paper backing round abrasive sandpaper 40#-800# grit hoop&look backing for angle grinder for polishing

Product Overview

The Blue Aluminum Oxide Sanding Disc is specifically designed for angle grinders. Featuring premium aluminum oxide abrasive and a durable hook & loop backing system, it offers a full grit range from 40# to 800#, catering to multi-stage processing needs from coarse grinding to fine polishing.

Key Features

1. Premium Blue Aluminum Oxide Abrasive

• Made with high-purity aluminum oxide grains for exceptional hardness and wear resistance

• Distinctive blue coating for easy grit identification

• Uniform grain distribution ensures consistent sanding performance

2. Hook & Loop Backing System

• High-strength hook & loop design for quick and easy installation/removal

• Secure adhesion that resists detachment during high-speed operation

• Compatible with standard angle grinder backing pads

3. Complete Grit Range (40#-800#)

• Coarse Grits (40#-80#): Rapid material removal, weld seam grinding

• Medium Grits (100#-240#): Surface leveling, scratch removal

• Fine Grits (320#-600#): Fine finishing, paint preparation

• Polishing (800#): Final surface treatment, high-gloss pre-finishing

Specifications

Applications

Metalworking

• Stainless steel and aluminum surface finishing

• Weld seam grinding and leveling

• Rust and oxide layer removal

Woodworking

• Hardwood surface rough sanding

• Furniture edge finishing

Automotive Repair

• Auto body repair and sanding

• Old paint removal

DIY Projects

• Home renovation

• Craft and model making

Usage Instructions

Angle Grinder Preparation

1. Ensure your angle grinder is equipped with a hook & loop backing pad

2. Check equipment speed settings (refer to grit-specific recommendations)

Disc Installation

1. Align the disc's center hole with the backing pad

2. Press evenly to ensure full hook & loop contact

3. Gently tug to test adhesion security

Sanding Techniques

1. Maintain consistent angle (15°-30°)

2. Use even movements to avoid localized over-sanding

3. Clean disc surface regularly to extend service life

4. Follow grit progression for optimal results