Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1979-12-27
1981-07-28
McCarthy, Helen M.
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 734, 106 45, 264 66, C04B 3518, C04B 3520
Patent
active
042808456
ABSTRACT:
Cordierite ceramic consisting mainly of cordierite in crystal phase after fired and having a mean pore size of 2-50 microns and a thermal expansion coefficient of not more than 16.times.10.sup.-7 (1/.degree. C.) over the range of 25-1000.degree. C. and being produced by starting from a batch including a magnesia raw material with an average particle size of 5-150 microns.
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Matsuhisa Tadaaki
Soejima Shigeo
McCarthy Helen M.
NGK Insulators Ltd.
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