Flexible Ceramic Cloth Sanding Belt 4 x 24

Product Description

The R121S Flexible Ceramic Cloth Sanding Belt is made with premium ceramic abrasive grain and flexible J-weight cloth backing, designed for precision sanding, surface finishing, contour grinding, and polishing applications. With approximately 34% ceramic abrasive content, this belt provides a good balance of cutting performance, flexibility, and surface finish quality.

This sanding belt uses Korean HORSE brand R121S abrasive material, offering stable sanding performance and smooth surface results. The flexible J-weight cloth backing allows the belt to conform well to curved surfaces, edges, profiles, and irregular workpieces, making it suitable for both metal finishing and fine sanding applications.

Compared with heavy-duty ceramic sanding belts, R121S flexible ceramic sanding belts are softer and more flexible, making them ideal for applications requiring better surface control rather than aggressive stock removal.

Available grit sizes: #80 #100 #120 #150 #180 #240 #320 #400 #600

Product Specification

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💡 FAQs

1. What backing material does R121S use?

R121S uses J-weight flexible cloth backing. Compared with X-weight or Y-weight backing, J-weight cloth is softer and more flexible, making it suitable for curved surfaces, edges, profiles, and irregular workpieces.

2. Is R121S suitable for heavy-duty grinding?

R121S is not mainly designed for heavy-duty stock removal. It is better for fine grinding, surface finishing, contour sanding, and polishing preparation. For heavy-duty metal grinding, CA788 ceramic sanding belt or KY533 zirconia sanding belt is more suitable.

3. What grit sizes are available?

Available grit sizes include:

#80 #100 #120 #150 #180 #240 #320 #400 #600

4. Is R121S suitable for stainless steel sanding?

Yes. R121S can be used for stainless steel surface finishing, light grinding, polishing preparation, and contour sanding, especially when a smoother and more uniform surface finish is required.

5. What is the advantage of J-weight cloth backing?

J-weight cloth backing provides excellent flexibility and better workpiece contact. It is ideal for sanding curves, edges, corners, profiles, and irregular surfaces.

6. How is R121S different from CA788 ceramic sanding belt?

CA788 is a heavy-duty ceramic sanding belt with stronger cutting power, designed for stainless steel grinding, weld removal, and hard metal grinding. R121S is softer and more flexible, designed for fine grinding, contour sanding, and surface finishing.

7. Do you support custom sizes?

Yes. Custom belt sizes are available according to customer machines and application requirements.

8. Do you support OEM orders?

Yes. OEM service is supported, including custom sizes, private label printing, custom packaging, and bulk supply for distributors and industrial customers.