H490 is H550 with 3.5% added yellow iron oxide. The red color only lasts until cone 8.
H490 fired test bars. Top is cone 10R. Below that going downward: cone 10, 9, 8 oxidation.
H490 with Textured Engobe fired at cone 10R. By Joe Schmidt.
Safety Data SheetClick here for web view.
|Plainsman Clays Ltd.|
702 Wood Street, Medicine Hat, Alberta T1A 1E9
Phone: 403-527-8535 FAX:403-527-7508