Highly Polished Carbon Planchets

The highly polished carbon planchets have a smooth, virtually mirror finish on one side with a surface roughness of 0.05 to 0.01um. The material for the cabon discs is spectroscopically pure carbon Grade 1 (soft graphite) with total impurities equal to or less than 2ppm with each single element 1ppm or less. Properties same as Carbon Planchets above. The polished planchets are 1.4 to 1.5mm (0.55" to 0.06") thick. Available in the popular 12.7mm (1/2") and 25.4mm (1") diameter.

16501-P -Highly Polished Carbon Planchets, 9.5mm diameter

16504-P -Highly Polished Carbon Planchets, 10mm diameter

16502-P -Highly Polished Carbon Planchets, 12.2mm diameter

16503-P -Highly Polished Carbon Planchets, 12.5mm diameter

16500-P - Highly Polished Carbon Planchets, 12.7mm diameter

16505-P -Highly Polished Carbon Planchets, 15mm diameter

16508-P -Highly Polished Carbon Planchets, 18mm diameter

16510-P - Highly Polished Carbon Planchets, 25.4mm diameter

16512-P - Highly Polished Carbon Planchets, 32mm diameter