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Alpha Sandpaper Discs

Alpha® Sandpaper discs combine waterproof hook and loop backing with silicon carbide abrasive to deliver reliable performance on marble, travertine, onyx, and other softer stones. Available in multiple grits and 4 inch and 5 inch sizes, they resist clogging in wet use and provide consistent cutting action for polishing and sanding work.

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Original price $20.38
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Original price $20.38
Current price $15.72
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Current price $15.72
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SKU ALP-SANDPAPER-4-80-MP40080
Size: 4"
Grit: 80

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Description

Alpha® Sandpaper discs provide a dependable option for tile installers, restoration professionals, and contractors who need consistent sanding and surface finishing performance. Built with a waterproof hook and loop backing and silicon carbide abrasive, these discs are suited for working on softer natural stones such as marble, travertine, and onyx. They are designed for wet use to help reduce clogging and support an even surface finish.

Key Features

  • Waterproof Hook and Loop Backing: Provides secure attachment and supports fast disc changes during sanding or polishing.
  • Silicon Carbide Abrasive: Suitable for marble, travertine, onyx, and other softer natural stone surfaces.
  • Wet Use Design: Helps resist clogging and maintain consistent cutting action.
  • Multi-Surface Capability: Can be used on select applications involving concrete, glass, metal, wood, primer, and body filler.
  • Multiple Grit Options: Available in a wide range of grits for leveling, smoothing, and surface preparation.
  • Common Disc Sizes: Offered in 4 inch and 5 inch diameters to fit standard backer pads.

Specifications

Part No. Size Type Grit Qty
MP40080 4" Hook & Loop 80 50
MP40120 4" Hook & Loop 120 50
MP40240 4" Hook & Loop 240 50
MP40320 4" Hook & Loop 320 50
MP40400 4" Hook & Loop 400 50
MP40500 4" Hook & Loop 500 50
MP40600 4" Hook & Loop 600 50
MP40KIT 4" Hook & Loop Assortment 50
MP50080 5" Hook & Loop 80 50
MP50120 5" Hook & Loop 120 50
MP50240 5" Hook & Loop 240 50
MP50320 5" Hook & Loop 320 50
MP50400 5" Hook & Loop 400 50
MP50500 5" Hook & Loop 500 50
MP50600 5" Hook & Loop 600 50
MP50KIT 5" Hook & Loop Assortment 50

Alpha® Sandpaper discs provide consistent sanding and surface preparation performance for softer natural stone and compatible materials. Their waterproof backing, silicon carbide abrasive, and wide grit selection support controlled results in both shop and onsite environments.

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Frequently Asked Questions

What materials are Alpha Sandpaper best suited for?
Alpha Sandpaper discs are well suited for softer natural stones such as marble, travertine, and onyx. They can also be used for selected tasks on concrete, glass, metal, and wood where a silicon carbide abrasive and controlled cutting action are appropriate.
Can these sandpaper discs be used with water?
Yes. Alpha Sandpaper discs are designed for wet use and feature waterproof hook and loop backing. Using them with water helps reduce clogging, extend disc life, and improve the overall quality and consistency of the polished or sanded surface.
What sizes and grits are available?
Alpha Sandpaper discs are offered in 4 inch and 5 inch diameters and a wide range of grits, including coarse through fine options. This progression allows users to handle leveling, smoothing, and pre polishing steps as part of a complete finishing process.
Do these discs work with hook and loop backer pads?
Yes. Alpha Sandpaper discs are manufactured with a hook and loop backing so they attach securely to compatible backer pads. This design allows fast changes between grits and helps maintain a stable connection during polishing and sanding operations.
Are Alpha Sandpaper discs suitable for onsite use?
Alpha Sandpaper discs are suitable for both shop and onsite use. Their durable construction, wet use capability, and hook and loop attachment make them practical for field repairs, edge work, touch ups, and detailed finishing on softer stone surfaces.
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