| 
 | 
 | 
 | 
 | 
 | 
  Black Silicon Carbide
  Green Silicon Carbide
  Boron Carbide
  White Aluminum Oxide
  Brown Aluminum Oxide
  Calcined Alumina
   Precision Graded
  Calcined Alumina
   PN-202
   DN-206
   MZS
   MZS-3
   MPS
   MDS
   MDS-6 
  Reactive Grade Alumina
  Polishing Grade Calcined Alumina
  Sub Micron Alumina
  Sinterable Silicon Carbide Powders
  Refractory Materials
  Abrasive Media
  Lapping Slurries
  Spherical Media
  Surplus Raw Materials
   
   

Calcined Alumina - PN 202

The Martinswerk PN - 202 is a soft, fine grained calcined alumina utilized in variety of polishing applications. Specified for polishing agents, pastes, slurries and emulsions for stainless steel , non ferrous metals as well as steel. The PN -202 is often used for fine grinding of plastics, lacquers and some forms of glass.

 
Typical Analysis
(Al2O3)
»99.3 %

(SiO2)

< 0.03 %
(Fe2O3)
< 0.03 %
(Na2O) total
< 0.05 %
(CaO)
< 0.05 %
Alpha Al2O3
>70%
Loss on Ignition
< 0.03 %
Specific Surface Area (BET)
8 - 15 m²/g
Primary Crystal Size
1.0 um
Bulk Density
»550 kg/m3
 
Typical Particle Size Distribution

0-10% maximum

>45 um
d90 20-40 um
d50 2.0-4.0 um
d3 0.5-0.7 um
 


320 Constance Drive | Warminster | Pennsylvania | 18974 | P (215) 444-9315 | F (215) 444-9317