MRC:
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.AAGR
Cross Sectional Shape:
Square/rectangular bottom ring
MRC:
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.AAGR
Cross Sectional Shape:
Square/rectangular top ring
MRC:
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.AAGR
Cross Sectional Shape:
Square/rectangular intermediate ring
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Asbestos bottom ring and graphite bottom ring
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Asbestos intermediate ring and graphite intermediate ring
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Asbestos top ring and graphite top ring