High-Efficiency Intermediate Sanding: 1950 Siaspeed 5″ Adhesive Back Discs

The sia Abrasives 1950 Siaspeed 5″ Sanding Disc is engineered for high-performance intermediate surface preparation, balancing efficient material removal with a smooth, uniform finish. Utilizing a durable, FSC-certified paper backing and semi-friable aluminum oxide grit, this 220 GRIT abrasive delivers superior stock removal and a consistent scratch pattern. It is a top choice for professionals in automotive refinishing, woodworking, and industrial metalworking who require reliable adhesion with its Adhesive Back format. The multi-hole pattern ensures efficient dust extraction, improving work efficiency and contributing to a cleaner, safer environment.

Optimized for Primer Flatting and Body Filler

This 220 GRIT 1950 Siaspeed disc is optimized for crucial intermediate tasks, including flatting of body filler and composite materials, sanding out unevenness at repaired edges, and the initial fine sanding of primer filler. The robust paper backing provides a strong foundation, while the electrostatic open coating helps minimize clogging, especially on fillers and primers, maximizing the disc’s lifespan. This controlled sanding ensures a highly effective base for subsequent finer grits, reducing downtime and significantly boosting the quality and productivity of your finishing process.

Versatile Abrasive for Coating and Impurity Removal

From sanding of old coatings and impurities to preparing plastics and old lacquers, the 1950 Siaspeed delivers consistent, professional-grade results across a wide range of materials. Its durable grit and special Stearate coating ensure high clog resistance and excellent performance. The combination of its stock removal capability and the secure hold of the adhesive backing makes this disc an essential and economical solution for achieving a uniformly keyed surface ready for top-coating systems.