Industry Knowledge

Dry Sanding, Wet Sanding, and Sponge Sanding? - Expert Guidance

2026-07-09

When it comes to sanding, when should you use dry sanding? When should you use wet sanding? And when should you use sponge sanding? This isn’t simply a matter of personal preference; it depends on the type of material, surface requirements, dust control, subsequent coating, sanding efficiency, and final quality.

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Non-Woven Abrasive Pads for Stainless Steel Surface Conditioning

2026-06-15

A Guide to Using Scouring Pads in Stainless Steel Surface Finishing (Graining / Cleaning / Oxide Removal) In the processing and maintenance of stainless steel, surface finishing typically involves three core steps: graining, cleaning, and oxide removal.

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How to Choose the Right Sanding Disc Hole Pattern?

2026-06-11

The correct approach is not to ask, “Which hole pattern is better?” but rather, “Does the hole pattern match the customer’s equipment and the grinding material?”

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Guide to Selecting Abrasives for Wood, Metal, Automotive, and Coating Pre-treatment

2026-06-03

This guide explains how to select abrasives for wood sanding, metal sanding, automotive refinishing, and coating preparation. It also compares different abrasive materials, including aluminum oxide, silicon carbide, ceramic abrasive, zirconia alumina, non-woven abrasive, mesh abrasive, and sponge abrasive.

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How to Choose the Right Abrasive Backing for Industrial Sanding Applications

2026-06-01

In the field of industrial grinding, particle size is only one aspect of an abrasive’s performance. The backing material also determines how effectively the abrasive product performs on the surface.

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Hook and Loop Sandpaper vs PSA Sandpaper: Which Is Better for B2B Buyers?

2026-05-25

The advantages of hook-and-loop fasteners include quick sandpaper changes, flexible use, and suitability for multi-step sanding. The advantages of pressure-sensitive adhesive (PSA) include stable adhesion, even contact, and suitability for long-term continuous production.

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Are Sanding Blocks Better Than Sandpaper?

2026-05-22

At Aozhong, we do not view sanding blocks and sandpaper as competing products. We see them as different components of a complete abrasive system.

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Why Progressive Sandpaper Grit Grading Is Critical in Automotive Paint Repair

2026-05-21

In automotive paint repair, the final quality of the paint finish is determined long before the spray gun is even used. A smooth, glossy, and durable paint finish begins with proper surface preparation, and progressive sandpaper grit grading is one of the most critical steps in this process.

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