Ultra Fine Sanding Block
Ultra-fine sanding blocks are made of high-quality abrasive particles and PU foam, offering a longer service life than traditional sandpaper. The 90-degree right-angle design fits the corners of metal, furniture, and walls, greatly improving grinding efficiency.
Product Introduction
Products Description
Aluminum Oxide Abrasive Grain
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Premium aluminum oxide grains provide stable cutting performance and extended durability.
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Maintains cutting efficiency during continuous sanding operations.
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Reduces abrasive replacement frequency and improves production efficiency.
Flexible High-Resilience Foam Core
- The sanding sponge block uses durable PU foam that compresses evenly under pressure and quickly returns to shape.
- The sponge block adapts naturally to irregular surfaces while maintaining abrasive contact.
- Helps minimize pressure spots and inconsistent sanding depth.
Wet & Dry Sanding Capability
- The sanding sponge blocks can be used for both dry sanding and wet surface preparation.
- Wet sanding reduces dust loading and lowers sanding heat buildup.
- Improves abrasive life while creating a cleaner finishing process.
90° Angled Edge Design
- The 90-degree angled structure reaches corners, edges, and profiles more efficiently than traditional flat sanding pads.
- Operators gain better sanding control in difficult areas without folding abrasive sheets by hand.
- Reduces uneven sanding marks.
High-Quality Abrasive Particles: The PU surface of the aluminum oxide sanding sponge block is coated with evenly distributed, dense brown
corundum particles. These provide continuous and stable cutting power and allow for precise grinding of the workpiece surface. Brown corundum particles have excellent sharpness and cutting performance, making them ideal for tasks such as removing burrs, grinding welds, and trimming corners.
Right-Angle Design: The 90-degree design of the ultra-fine sanding block fits corners precisely-whether on furniture edges, door and window frames, or metal products. This design ensures seamless grinding, leaves corners flat and smooth, and prevents defects caused by uneven sanding.
Smooth and Flawless Surface: The ultra-fine aluminum oxide particles in our sponge sanding blocks create a smooth, flawless finish. They effectively remove minor scratches, blemishes, and imperfections, leaving the workpiece surface polished and even.
High Resilience: The wet-and-dry sanding block is made of high-resilience sponge material with excellent compression resistance. Even under heavy pressure or prolonged use, it quickly returns to its original shape, reducing the loss of grinding efficiency due to deformation and extending the block's service life. This elasticity ensures consistent contact with the workpiece, maintaining uniform pressure distribution throughout the grinding process.
Ultra Fine Sanding Block Specification
|
Type |
SP500 |
|
Specification |
100*70*25mm |
|
Color |
Blue (220) |
|
Grain |
Premium Aluminum Oxide |
|
Backing |
Foam PU (Polyurethane solvent-free) |
|
Bonding |
Resin over Resin |
|
Coating |
4-sided |
|
Application |
Precision sanding of wood, lacquer, high-gloss finishes, paint imperfections and drips, orange peel texture, filler, primer, plastics, composites, and general metal surfaces, suitable for both dry and wet sanding applications. |
|
Package |
250pcs/carton, Customized packages are available |
Grit to Guide
|
Grit |
Recommended Application |
Surface Stage |
Typical Industries |
|
60# |
Heavy material removal, paint stripping, and rough edge leveling. |
Initial sanding |
Automotive repair, metal fabrication, and woodworking. |
|
80# |
Surface shaping, weld blending, rough wood preparation. |
Coarse sanding |
Furniture manufacturing, body repair. |
|
100# |
Filler sanding, primer leveling, surface correction. |
Surface preparation |
Automotive refinishing, composite sanding. |
|
120# |
Edge smoothing, contour sanding, and wood surface preparation. |
Intermediate sanding |
Cabinet production, woodworking. |
|
150# |
Fine surface leveling before primer or coating. |
Pre-finishing |
Metal finishing, paint preparation. |
|
180# |
Scratch refinement, light primer sanding. |
Fine sanding |
Automotive paint shops, furniture finishing. |
|
220# |
Smooth surface preparation before painting or coating |
Finish preparation |
Wood coating, primer, and sanding |
|
240# |
Fine finishing and surface blending |
Final finishing |
Lacquer sanding, decorative finishing |
Why More Distributors Are Switching to Sponge Sanding Blocks?
Compared with traditional abrasive sheets, sanding sponge blocks offer:
- Better flexibility;
- Improved corner access;
- Lower rework rates;
- More uniform sanding pressure;
- Improved operator comfort
- Reusable wet sanding capability
For distributors and private label buyers, sponge sanding blocks also provide strong market demand in:
- Automotive aftermarket
- Woodworking supply
- Paint preparation
- Industrial finishing
As a professional manufacturer, Golden Abrasive can customize sponge sanding blocks of different colors and sizes for you. We have a professional team to solve a series of grinding problems for you. If you are interested, please contact us by email: sales@goldenabrasives.com.
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