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Standard Material List


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Standard Material List

Name Main Chemical Bulk Density (gms/cc) MOR (psi) Specific Gravity Water Absorption (%) Max Temperature (F°)
A-1 SiO2 - 64% AL2O3 - 22.7% 1.85 / 1.93* 3190  5870* 2.48 13.9 / 11.5* 2150
A-5 SiO2 - 46% AL2O3 - 39.3%  1.96 3710 2.73 14.5 2400
Alcast-99 AL2O3- 99.7% SiO2 - .02%
3.34** 7825** 3.9** 4.27** 3400
B-47 SiO2 - 54% AL2O3 - 38.8%  1.89 1610 2.61 14.6 2250
H-8-F AL2O3- 73.6% SiO2 - .23.7% 2.2 790 3.37 15.7 3000
K-9 SiO2 - 57.2% AL2O3 - 33.1%  1.92 2690 2.62 14 2150
M-19A AL2O3- 91.7% SiO2 - .7.6% 2.8 6675 3.61 8.1 3000
PA-1 SiO2 - 56.7% AL2O3- 38.7%  2.43 3630  8380* 2.75 4.8 / .4* 2150
PA-61  SiO2 - 67.7% AL2O3- 19.7%    7300 9200*   .9  / .01*  
Porcelain  SiO2 - 76.1% AL2O3- 18.6% 2.31 4180 2.48 3.2  / 0.6*  
R-21  SiO2 - 50.2% AL2O3- 44.3%  1.97 / 2.05* 1780 4840* 2.85   2.84* 15.5  / 13.5* 2650
Superceram AL2O3- 65.6%   SiO2 - 29.3%  2.88 / 2.92* 9440 18,000* 2.92 .4  / 0* 2300

All data is for pressed items unless noted

This chart is intended to illustrate typical properties of materials.  Engineering data is representative.   The customer should recognize that exact properties may vary according to product configuration.  The information set forth herein is offered for comparison only, and is not to be construed as absolute engineering data of constitute a warranty to a representation for which we assume legal responsibility.

Data Measurements:  All data measurements are typical and made at room temperature.  Ceramic property values vary with method of manufacture, size and shape of the part. 

A complete chemical analysis of the above materials are available upon request.

Notes: * data is for extruded items  ** data is for cast items.


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