230x280mm Waterproof Sandpaper Sheets P60–P2500 | Silicon Carbide Wet Dry Sanding for Metal Wood Auto

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Sale price$3.70 USD
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In stock (500 units), ready to be shipped

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Description

🔧 Broad‑Coverage Sanding with Waterproof Durability — 230x280mm Silicon Carbide Square Sandpaper Sheets P60–P2500. Equip your shop with a single sandpaper format that handles everything from aggressive stock removal to fine surface finishing. These full A4‑sized sheets give you ample working area for hand-sanding blocks, orbital sanders, and any task where more extensive coverage means faster progress. Premium silicon carbide abrasive is bonded to a waterproof kraft paper backing—sharp enough to cut through metal and wood, yet tough enough to resist tearing during wet sanding. The wide grit spectrum, from P60 to P2500, covers every step of surface preparation: heavy rust and paint removal, leveling, smoothing, and final polishing. Whether you're working on automotive panels, furniture, or fabricated metal parts, this sandpaper delivers consistent results you can count on.

⚙️ Key Features of the 230x280mm Waterproof Sandpaper

📐

Generous 230mm x 280mm Sheet Size

Larger than typical sandpaper, providing broad surface coverage for efficient hand sanding on walls, panels, and tabletops. Can be cut or folded to fit power sanders and custom blocks.

📏

Full Grit Range: P60 – P2500

P60–P120 for rapid material removal and rust stripping. P150–P320 for leveling and smoothing. P400–P800 for fine finishing. P1000–P2500 for ultra‑fine polishing and surface refinement.

💧

Waterproof Kraft Paper Backing

Resists soaking and softening during wet sanding. The durable kraft paper base holds the abrasive firmly, preventing grain loss and extending sheet life in both wet and dry applications.

⚙️

Sharp Silicon Carbide Abrasive

Hard, self‑sharpening grain delivers fast, clean cuts on metal, wood, and painted surfaces. Maintains cutting efficiency throughout use by continually exposing fresh edges.

🛡️

Versatile Across Materials & Industries

Effective on stainless steel, alloy products, non‑ferrous metals, ferrous metals, wood, plastics, and painted surfaces. Suitable for automotive, metalworking, woodworking, and general shop tasks.

🧰

Hand or Machine Sanding

The large sheet size is ideal for hand-sanding blocks and can be easily trimmed to fit orbital sanders, detail sanders, and other power tools. One sandpaper size adapts to multiple sanding methods.

📐 Technical Specifications

Sheet Dimensions 230mm W x 280mm L (approx. 9" x 11")
Grit Range P60, P80, P100, P120, P150, P180, P240, P320, P400, P600, P800, P1000, P1200, P1500, P2000, P2500
Abrasive Material Silicon Carbide
Backing Material Waterproof kraft paper
Application Wet and dry sanding — hand or machine
Suitable Materials Stainless steel, alloy, non‑ferrous metal, ferrous metal, wood, plastic, painted surfaces
Package Includes Square sandpaper sheets (quantity varies; select grit when ordering)

❓ Frequently Asked Questions

💧 Can I use these sheets for both wet and dry sanding?
Yes. The waterproof kraft paper backing is designed to handle both wet and dry applications. Wet sanding reduces dust and helps prevent clogging, making it ideal for automotive paint finishing and metal polishing.
📏 Which grit should I choose for removing rust from steel?
Start with P60 or P80 for heavy rust removal. Progress through P120–P240 to smooth the surface. If you plan to paint the metal, finish with P320–P400 for a clean, paint‑ready surface.
🛡️ Does the Kraft paper backing hold up to prolonged wet sanding?
Yes. The Kraft paper is treated to resist water absorption and softening. It maintains its integrity during extended wet use, though, like all paper‑backed abrasives, it should be allowed to dry flat after use for the longest life.
⚙️ Can I use these sheets on wood as well as metal?
Absolutely. Silicon carbide works effectively on wood, particularly for finish sanding and between‑coat leveling. For rough wood shaping, coarser grits like P60–P80 remove material quickly.
🧰 How do I cut these large sheets to fit my orbital sander?
Trace your sander's backing pad onto the sheet and cut with scissors or a utility knife. The 230x280mm size provides enough material for multiple custom‑cut pieces, making it economical for power tool use.
Pro tip: For the best finish when wet sanding, work through grits progressively and keep the surface and sheet well‑lubricated. Rinse the sandpaper frequently to remove debris and maintain cutting performance.

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