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Geometric Pre-Polishing Discs

Featuring a geometric pattern, these pre-polishing discs are recommended* for soft/general purpose (Gold) materials and hard (Silver) materials preparation grit range 400 (P800) – 1200 (P4000). They are best when used with Extec Diamond Suspensions 15 micron to 3 micron.

Included with every pre-polishing disc is the Extec Maxima GS Diamond Tool. Since each disc is delivered with a protective coating on the surface, it is imperative to remove the protective coating with the Extec Maxima GS Diamond Tool.

Available in 200mm (~8”), 250mm (~10”), 300mm (~12”) diameter and are Magnetic Compatible (MC). Special orders for PSA (Pressure Sensitive Adhesive) backed Maxima Pre-Polishing Discs and special-sizes are accepted.

*This series of Extec ® Maxima Geometric Pre-Polishing discs is not recommended for non-ferrous materials.

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C-K:
Fast, convenient and economical, the C-K (Clear-Kling) System uses a revolutionary clear backing that allows adhesion without adhesives. C-K discs can be applied to any platen. Select your desired C-K cloth, abrasive disc or diamond lapping film and apply to platen - it instantly adheres. When finished just lift and replace with the next item. C-K discs stay on the platen and may be used repeatedly. Available on a variety of Extec products.
PSA:
PSA (Pressure Sensitive Adhesive) backing that is oil, water & alcohol resistant.
Cloth:
Cloth backing is available for most products.
Plain:
Plain backing is available for most products.
Poly Back:
Extec Poly backing.
Maxima:
Non-metallic, magnetic compatible backing.