The Definitive Sandpaper Buying Guide for Wood, Metal, and More

How to Choose the Right Sandpaper for Your Project

Whether you're a carpenter, metal fabricator, or enthusiast, selecting the right sandpaper is essential for achieving a smooth, high-quality finish. At Maruti Industries, we produce a wide range of sandpaper sheets and rolls designed for different materials and applications. In this guide, we break down how to select the ideal sandpaper based on grit size, backing, and material compatibility.

Step 1: Understand Grit Sizes

Sandpaper comes in various grit sizes, which determine how coarse or fine the abrasive is:

40–60 Grit (Coarse): Ideal for heavy material removal, paint stripping, or smoothing very rough surfaces.

80–120 Grit (Medium): Best for general-purpose sanding and preparing surfaces for finishing.

180–220 Grit (Fine): Used for final sanding before applying paint or varnish.

320+ Grit (Very Fine): Perfect for polishing and in-between coat sanding.

Step 2: Match the Abrasive to the Surface

Wood: Use flint paper or standard sandpaper with medium-to-fine grit depending on the stage.

Metal: Choose emery paper or aloxide rolls with fine grit for deburring or surface prep.

Plastic or Painted Surfaces: Use ultra-fine sandpaper (400+ grit) to avoid surface damage.

Step 3: Pick the Right Format

Sheets: Great for hand sanding or block sanding.

Rolls: Ideal for industrial setups or larger surface areas.

Discs: Best used with orbital sanders for efficiency.

Step 4: Consider Backing and Durability

Maruti Industries offers sandpapers with strong backings designed for longer life, minimal clogging, and even grit distribution—ensuring consistent results throughout the job.