LD-189 Aluminum Oxide Sanding Sponge Set | Wholesale Supplier

LD-189 Aluminum Oxide Sanding Sponge Set | Wholesale Supplier

SKU: LD-189

LD-189 Aluminum Oxide Sanding Sponge Set features dual-angle wedge-shaped blocks with assorted grit aluminum oxide abrasive for drywall, wood, metal, and automotive sanding applications.

MOQ:100
Price Range:$1.50 - $5.00 / set
Material:Aluminum Oxide Abrasive / High-Density PU Foam Backing / Resin Bond
Certifications:CE / ISO 9001
Size Range:100mm x 70mm x 25mm block; Grits 60 / 80 / 100 / 120 / 150 / 180 / 220; Set of 3-6 pcs
Color Options:Yellow Sponge / Blue Sponge / Red Sponge / Green Sponge
Weight:120
Packing:Blister card or polybag packaging, 3-6 piece set per pack, 100 packs per carton
Lead Time:10-15 days
Sample:Available
Customization:OEM grit combination, custom sponge color, private label packaging, custom block size
Mixed Order:true

Product Details

LD-189 Aluminum Oxide Sanding Sponge Set

LD-189 Aluminum Oxide Sanding Sponge Set provides dual-angle wedge-shaped sanding blocks with assorted grit aluminum oxide abrasive for versatile drywall, wood, metal, and automotive surface preparation.

The LD-189 Aluminum Oxide Sanding Sponge Set is a versatile hand-sanding solution designed for professionals and DIY users who need efficient material removal and smooth surface finishing across drywall, wood, metal, and automotive bodywork. Each sanding block features a high-density polyurethane foam backing that conforms to curved surfaces and maintains its shape through repeated use, unlike traditional sandpaper that tears and creases. The dual-angle wedge design includes both a flat broad face for large surface areas and a narrow angled edge for reaching into corners, along moldings, and between spindles where conventional sanding blocks cannot access. The aluminum oxide abrasive is resin-bonded to the foam substrate for long cutting life and consistent scratch pattern, available in grits from coarse 60 for aggressive material removal through fine 220 for final finish smoothing between paint coats. The open-cell foam construction allows dust to pass through rather than loading the abrasive surface, maintaining cutting efficiency longer than closed-cell alternatives. These sponges are suitable for both dry sanding of drywall compound and wood fillers, and wet sanding of automotive primers and topcoats when used with water as a lubricant. Whether smoothing drywall joints in new construction, preparing wood furniture for staining, removing rust from metal surfaces, or feathering automotive body filler before painting, the LD-189 sanding sponge set provides the right grit and shape for every sanding task.

Core Features

  • Dual-angle wedge design for flat surfaces and corner access
  • High-density PU foam backing conforms to curved surfaces
  • Aluminum oxide abrasive with resin bond for long cutting life
  • Open-cell foam reduces dust loading and extends abrasive life
  • Assorted grits from 60 coarse to 220 fine for complete finishing
  • Wet and dry compatible for versatile material applications

Application Scenarios

  • Drywall joint compound sanding in new construction and renovation
  • Wood furniture and cabinetry finish preparation
  • Automotive body filler and primer sanding
  • Metal surface rust and oxidation removal
  • Paint stripping and between-coat smoothing
  • Corner, edge, and molding detail sanding

FAQ

What is the difference between sanding sponges and sandpaper?

Sanding sponges have a foam backing that conforms to curved surfaces and maintains shape. They are reusable, washable, and easier to grip than loose sandpaper. Sandpaper is thinner, more flexible for wrapping around blocks, and cheaper for large flat areas but tears easily and does not conform to contours.

Can these sponges be used wet for automotive sanding?

Yes, the LD-189 sponges are suitable for wet sanding when used with water as a lubricant. Wet sanding reduces dust, prevents clogging, and produces a finer finish ideal for automotive primer and clear coat preparation. Rinse and allow to dry completely before storage.

How do I clean a sanding sponge to extend its life?

Tap the sponge against a hard surface to dislodge dust, or rinse under water for wet-compatible applications. Avoid using compressed air as it can damage the foam structure. Replace the sponge when the abrasive surface becomes smooth or the foam loses its resilience.

Which grit should I use for different stages of finishing?

Use 60-80 grit for aggressive material removal and rough shaping. Use 100-120 grit for general smoothing and removing scratches from coarser grits. Use 150-180 grit for final preparation before staining or priming. Use 220 grit for between-coat sanding of paint and varnish.