Close-up of a 4-inch 100mm purple sandpaper disc with a high 10000 grit for ultra-fine wet sanding and polishing.
Stack of purple wet and dry sanding discs, showing their waterproof backing and uniform 100mm diameter.
4-inch 100mm purple sanding disc attached to a random orbital sander, ready for use on a woodworking project.
Side view of a hook-and-loop backed purple sanding disc, demonstrating its low profile for detailed sanding work.
Assortment of 4-inch purple sandpaper discs from coarse 60 grit to very fine 10000 grit for a complete sanding workflow.
Waterproof purple sanding disc being used with water for wet sanding automotive paint to a smooth finish.
Packaging of 4-inch 100mm wet and dry sandpaper discs, highlighting the grit count and purple color.
Macro detail of the abrasive surface on a purple 100mm sanding disc, showing the consistent grit distribution.
Full product lineup of 4-inch purple sandpaper discs from 60 to 10000 grit, organized by coarseness.
Close-up of a 4-inch 100mm purple sanding disc, showing its waterproof surface and fine grit texture.
Stack of 4-inch 100mm wet and dry purple sandpaper discs, demonstrating the product quantity and consistent color.
Side-angle view of a 4-inch purple sanding disc, highlighting its low profile and backing pad attachment.
4-inch 100mm waterproof sanding disc held in a hand, showing scale and the vibrant purple abrasive surface.
Macro detail shot of the 60 to 10000 grit purple sandpaper surface, emphasizing its abrasive structure for DIY projects.
Package of 4-inch purple sanding discs with clear grit label, showcasing the product range from coarse to ultra-fine.
A 4-inch wet and dry sanding disc attached to an orbital sander, demonstrating its intended use for woodworking and metal polishing.
Flat-lay composition of multiple 100mm purple sandpaper discs, displaying the full product set and their uniform purple color.
Roll over image to zoom in Click on image to zoom
Close-up of a 4-inch 100mm purple sandpaper disc with a high 10000 grit for ultra-fine wet sanding and polishing.Stack of purple wet and dry sanding discs, showing their waterproof backing and uniform 100mm diameter.4-inch 100mm purple sanding disc attached to a random orbital sander, ready for use on a woodworking project.Side view of a hook-and-loop backed purple sanding disc, demonstrating its low profile for detailed sanding work.Assortment of 4-inch purple sandpaper discs from coarse 60 grit to very fine 10000 grit for a complete sanding workflow.Waterproof purple sanding disc being used with water for wet sanding automotive paint to a smooth finish.Packaging of 4-inch 100mm wet and dry sandpaper discs, highlighting the grit count and purple color.Macro detail of the abrasive surface on a purple 100mm sanding disc, showing the consistent grit distribution.Full product lineup of 4-inch purple sandpaper discs from 60 to 10000 grit, organized by coarseness.Close-up of a 4-inch 100mm purple sanding disc, showing its waterproof surface and fine grit texture.Stack of 4-inch 100mm wet and dry purple sandpaper discs, demonstrating the product quantity and consistent color.Side-angle view of a 4-inch purple sanding disc, highlighting its low profile and backing pad attachment.4-inch 100mm waterproof sanding disc held in a hand, showing scale and the vibrant purple abrasive surface.Macro detail shot of the 60 to 10000 grit purple sandpaper surface, emphasizing its abrasive structure for DIY projects.Package of 4-inch purple sanding discs with clear grit label, showcasing the product range from coarse to ultra-fine.A 4-inch wet and dry sanding disc attached to an orbital sander, demonstrating its intended use for woodworking and metal polishing.Flat-lay composition of multiple 100mm purple sandpaper discs, displaying the full product set and their uniform purple color.

4 Inch 100mm Purple Sandpaper Wet And Dry Sanding Discs Waterproof 60-10000 Grit

HomeDIYer
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By HomeDIYer®

Price:
$1.85 USD
Stock:
In stock (500 units), ready to be shipped

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Description

💜 4 Inch Purple Sandpaper - 100mm Wet & Dry Sanding Discs (Waterproof 60-10000 Grit)

Elevate your sanding projects with our premium 4 Inch Purple Sandpaper! These 100mm wet and dry sanding discs blend durability, versatility, and high performance—perfect for everything from rough grinding to mirror-like polishing on metal, alloy, and more.

📊 4 Inch Purple Sandpaper Specification Chart

Attribute Details
Product Name 4 Inch 100mm Purple Sandpaper Wet & Dry Sanding Discs
Abrasive Material High-Quality Aluminum Oxide
Diameter 4 Inch (100mm)
Grit Range 60 Grit (Coarse) to 10000 Grit (Ultra-Fine Polishing)
Backing Material Durable Waterproof Latex Paper
Waterproof Performance Resistant to soaking, no easy sand dropping

✨ Standout Features of 100mm Purple Sanding Discs

  • Exceptional Toughness: These 4 Inch purple sandpaper discs feature a latex paper backing base with excellent toughness. It resists tearing even on curved surfaces or during high-pressure sanding, ensuring long-lasting use.
  • Sharp Aluminum Oxide Abrasive: Crafted with premium aluminum oxide, the abrasive is sharp, high-hardness, and boasts good self-sharpening properties. This delivers a consistent sanding effect, leaving workpiece surfaces flat and smooth while boosting overall work efficiency.
  • Reliable Waterproof Design: The waterproof latex paper backing makes these wet and dry sanding discs perfect for both wet and dry applications. They resist prolonged soaking, won’t easily drop sand, and maintain performance in humid or wet conditions.
  • Full Grit Spectrum: From 60 grit (for heavy material removal) to 10000 grit (for ultra-fine polishing), every sanding stage is covered—ideal for multi-step projects that require precise finishing.

🔧 Versatile Applications of 4 Inch Purple Sandpaper

Our 100mm wet and dry sanding discs are widely used for:

  • Polishing and grinding of common metals (steel, iron, copper, etc.)
  • Alloy products, stainless steel products, and non-ferrous metal surfaces
  • Grinding and polishing of ferrous metal plates and impeller blades
  • Woodworking projects (sanding wood furniture, preparing for painting/staining)
  • Automotive detailing (scratch removal, paint correction, clear coat polishing)
  • Plastic and fiberglass surfaces (shaping and fine finishing)

❓ FAQs About 4 Inch 100mm Purple Sandpaper

Q: How do I choose the right grit for my project with these purple sanding discs?

A: Use 60-120 grit for rough sanding/material removal, 180-400 grit for medium smoothing, 600-2000 grit for fine sanding, and 3000-10000 grit for ultra-fine polishing to get a mirror-like finish.

Q: Are these 4 Inch purple sandpaper discs compatible with my orbital sander?

A: Yes! They fit all standard 4 Inch (100mm) orbital sanders, random orbital sanders, and palm sanders—just ensure your sander’s pad size matches the 100mm diameter.

Q: Can I reuse these wet and dry sanding discs?

A: Absolutely! For wet sanding, rinse the disc with water after use to remove debris; for dry sanding, tap gently to shake off dust. Reuse until the abrasive becomes dull or the backing loses its integrity.

Q: Why is aluminum oxide a good choice for these 100mm sanding discs?

A: Aluminum oxide is harder than most abrasives, retains sharpness longer, and self-sharpens as it wears—meaning it maintains consistent cutting power throughout its lifespan, even on tough metals.

Q: Can these purple sandpaper discs be used on stainless steel?

A: Yes! They’re perfect for stainless steel polishing and grinding—start with lower grits to remove scratches/oxidation and move to higher grits for a smooth, shiny finish.

Q: How should I store these 4 Inch wet and dry sanding discs?

A: Store them in a cool, dry place away from direct sunlight and moisture. Avoid stacking heavy objects on top to prevent warping the latex paper backing.

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