Bona Black Disc 7in x 5/16in 24 Grit

Bona Black Sandpaper – Reliable, High-Cut Abrasive for Floor Prep and Between-Coat Sanding

Bona Black Sandpaper is a versatile, cost-effective abrasive trusted by professional floor sanding contractors for a wide range of applications. Designed with sharp silicon carbide grain, Bona Black cuts quickly and delivers a fine, consistent scratch pattern—making it ideal for between-coat abrasion, screen & recoat prep, and light surface preparation.

Its open-coat construction resists loading, especially on softer finishes and sealers, while helping ensure smooth, even finish adhesion and reduced swirl marks. Whether you’re prepping gym floors, residential spaces, or light commercial jobs, Bona Black is a reliable go-to abrasive that gets the job done.

Why Choose Bona Black Sandpaper?

• Sharp Silicon Carbide Grain
  Provides fast cutting action and leaves a clean, even scratch pattern—perfect for intercoat abrasion.

• Excellent Value
  An economical option for everyday floor prep and maintenance applications.

• Open-Coat Design
  Helps prevent clogging when used on soft finishes, sealers, and during screen & recoat work.

• Consistent Performance
  Produces a smooth surface that promotes better finish bonding—reducing the risk of delamination or adhesion issues.

• Easy to Use
  Works seamlessly with buffers, rotary sanders, and orbital machines.

Product Details:

• Formats:

  • Typically used with pad drivers and maroon/white pads for optimal surface prep

• Grain: Silicon carbide

• Backing: Open-coat paper or screen depending on model

Perfect For:

• Between-coat abrasion for waterborne and oil-based finishes

• Screen & recoat prep on commercial, gym, or residential floors

• Final surface prep before applying sealer or finish

• Maintenance sanding where fast cut and swirl-free results are needed

Pro Tip:

Pair Bona Black Sandpaper with a maroon pad on your buffer to control scratch depth and optimize performance—perfect for fine-tuning adhesion prep between coats of waterborne finish.

Bona Black Sandpaper offers flooring professionals a dependable, affordable abrasive for routine floor prep, screen & recoat, and fine sanding work—helping you deliver smooth, professional results with confidence.