90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit
90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit
90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit
90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit
90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit
90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit
90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit
90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit
90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit
90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit
90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit
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90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit

90*90*90mm Triangular Sponge Sandpaper Wet & dry Sanding Paper 300 -3000 grit

HomeDIYer
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By HomeDIYer®

Types: Red Sand
Grit#: 300#-400#
Amount(pcs): 1
Price:
$1.35 USD
Stock:
In stock (500 units), ready to be shipped

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Description

🧽 90mm Triangular Sponge Sanding Pads – Wet/Dry 300-3000 Grit

🛠️ Precision sanding for corners, contours, and fine finishes. Whether you're refinishing furniture, prepping drywall, or polishing automotive clear coat, these triangular sponge sanding sheets give you the flexibility and control that rigid paper can't match. The foam backing conforms to curves and edges, while the premium abrasive delivers a consistent scratch pattern from rough shaping (300 grit) to ultra‑smooth polishing (3000 grit). Washable, reusable, and designed for both wet and dry applications — a must‑have for woodworkers, metal fabricators, and serious DIYers.

✨ Premium Triangular Sponge Sanding Sheet Features

  • 🔺 Triangular 90x90x90mm Design — Three sharp points reach tight corners, edges, and detailed profiles where rectangular sandpaper simply can’t go. Perfect for door frames, spindles, and trim work.
  • 💧 Wet & Dry Sanding Capability — Use dry for fast material removal or wet to minimize dust, prevent clogging, and achieve an ultra‑fine finish. Ideal for automotive clear coat, lacquer, and metal polishing.
  • 🔄 Washable & Reusable Foam Backing — The flexible, high‑density sponge rinses clean under running water. Clogged abrasive? Just rinse and keep working — extends pad life up to 5x vs. standard paper.
  • 📏 Full Grit Range (300 to 3000) — From aggressive stock removal to mirror‑like polishing. Use 300-600 for shaping/rough sanding, 800-1500 for surface prep, and 2000-3000 for final finishing.
  • ⚡ Anti‑Clogging Aluminum Oxide Grain — Premium sharp abrasive bonded to a durable cloth backing ensures fast cutting and consistent results on wood, metal, plastic, drywall, and painted surfaces.
  • 🧼 Smooth, Uniform Scratching — The cushioning sponge layer helps prevent gouging and over‑sanding on delicate surfaces. Great for blending and removing orange peel or runs.

📋 Technical Specifications – 90mm Triangular Wet/Dry Sponge Sandpaper

Shape / Dimensions Triangular – 90mm x 90mm x 90mm (3.54" sides), thickness approx. 5mm
Grit Range 300, 400, 600, 800, 1000, 1200, 1500, 2000, 2500, 3000 (select from variations)
Abrasive Material Premium aluminum oxide (AO) grain
Backing Flexible, high‑density sponge foam with strong cloth attachment
Wet / Dry Use Yes — fully compatible with water, soapy solutions, or dry sanding
Condition Brand new, unopened, undamaged
Country of Manufacture China
Package Contents Sold as an individual sheet or a multi‑pack (check variant selection)
Compatibility Hand sanding; also can be used with hook‑and‑loop adapter pads (not included)

❓ Frequently Asked Questions – Triangular Sanding Sponges

Q1. Can I use these triangular sponge sanding sheets with water? Will the abrasive wash off?
✅ Absolutely. These are specifically designed for wet & dry sanding. The waterproof resin bonding keeps the abrasive grains firmly attached even when submerged. Wet sanding reduces heat, prevents clogging, and produces a finer finish — especially on automotive paint, gelcoat, and metal. Rinse the pad frequently to maintain peak performance.
Q2. How do these compare to regular sandpaper or sanding sponges? Are they washable?
🔄 Unlike traditional paper‑backed sheets, the foam core is both flexible and durable. You can rinse out sanding dust and debris under a tap — the pad will recover much of its cutting ability. Many users report getting 3–5 times more use compared to non‑washable abrasives. The triangular shape is also superior for corners and intricate profiles.
Q3. What grit should I choose for my project? (300 to 3000?)
📊 300–600 grit: Rapid paint removal, wood shaping, and smoothing rough drywall.
800–1500 grit: General surface prep, between coats, sanding, removing light scratches.
2000–3000 grit: Final polishing, wet sanding clear coat, achieving a glossy finish on metal or resin. For best results, work through grits progressively.
Q4. Is the foam backing durable enough for metal or sharp edges?
⚙️ Yes. The high‑density foam provides excellent support while still conforming to contours. On sharp edges or heavy burrs, the abrasive will wear first — the foam is resilient and won't tear easily. For heavy deburring, start with a coarser grit (300–400) and let the sandpaper do the work. The sponge cushion also reduces the risk of "flat‑spotting" curved surfaces.
Q5. Can these be used on plastic, drywall, or fiberglass?
🧴 Definitely. They’re excellent on plastic (model kits, 3D prints), drywall compound, fiberglass, gelcoat, and even glass with fine grits. Wet sanding is recommended for plastics and fiberglass to prevent melting or static. The sponge's flexibility helps follow compound curves without scuffing adjacent areas.
Q6. Do these fit standard hook & loop sanders?
🛠️ These are primarily hand-sanding pads. However, with a triangular hook‑and‑loop interface pad (often sold separately for multi‑tools), they may be attached to oscillating tools. For hand use, they're ready to go — just grip and sand.

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