These are German Made Silicone polishers impregnated with silicon carbide. Silicone polishers can be used for step-by-step surface prepping to final polishing. Silicones are available in 4 grades and can be used for deburring, cleaning, smoothing and final polishing soft nonferrous metals especially suited for precious metals.
WHITE 130 µm: Coarse for quick removal of material
Black 80 µm: Medium flexible Pre-polish, removes scratches, leaves a smooth surface.
Blue 22 µm: Fine for high shine.
Pink 4µm: Extra Fine for a high luster mirror finish look.
Applications: Precious metals (including alloys), including gold and silver
SPECIFICATIONS: JETS Product # 0113-170 X10
Composition: Silicone Carbide
Color: Blue Fine
Dimensions: 6.5mm Diameter x 25mm Length (Approx.)
Grade/Grit: Fine (Finishing, No-Cutting)
Applications: Polishing soft metals
Composition: Silicone Carbide, Overall Length: 25mm (Approx.), Diameter: 6.5mm (Approx.), Grade/Grit: Fine (Finishing, No-Cutting), For more information check detail page