Which lapping plate to use?

A General Guide to which Kemet Plate and Abrasive to select to lap or polish a given material.

Key:

L = Typical Lapping Plate and Kemet Diamond Micron Size
P = Typical Polishing Plate and Kemet Micron Size
P* = Mirror finish polish
PP = Prepolish

C = Cerium Oxide
* = Kemox 0-800 Abrasive
+ = No Abrasive Required

Material Plate Type
ASFL-A Pol. Cloth Col-K Kemet LP Kemet XF Kemet XP Kemet Copper Kemet PR3 Kemet BP Kemet Iron Cast Iron
Altic       P  < 1μ   L 6μ       L 6μ
Aluminium P 3μ P*               L *
Brass P 3μ         P 3μ       L *
Technical Ceramic         P 3μ       L 6μ L 14μ
Carbon           P 3μ     L 6μ L *
Ferrite       P 1μ P 3μ       L 8μ  
Ni Resist P 3μ                 L *
Plastics P 3μ                 L*
Hard Steel P 3μ P*     P 3μ P 3μ     L 14μ  
Soft Steel P 3μ         P 3μ     L 14μ L *
Mould Steel P 3μ P*       P 3μ       L *
Sapphire               P 1μ     
Silicon Carbide         P 3μ       L 14μ  
Stellite P 3μ P*     P 3μ         L*
Tungsten Carbide P 3μ       P 3μ     P 3μ L 14μ L 14μ
Stainless Steel P 3μ P*         P 6μ      
Optics             C 1μ      
Cobalt Chrome   P* L 10μ     PP 6μ     L 14μ  
Titanium   P* L 10μ     PP 6μ     L14μ