SiC Refractory NSR

??Nomenclature		NSR
Properties		FR-90	FR-85	SB-A	SD-D	SB-C
%	SiC	89.8	89.5	88	86.5	88.3
Chemical	SiO2	8.9	8.5	9	9.5	9.8
Composition	Al2O3	0.5	0.7	1.8	1.8	0.5
?	Fe2O3	0.3	0.6	0.8	1.2	0.6
Apparent Porosity		7.5	11.2	13.5	15	9.6
Bulk Density		2.75	2.68	2.65	2.6	2.7
Cold Crushing Strength		1,500	1,300	1,200	1,100	1,600
Transverse Strength		450	350	300	270	480
Thermal Expansion at 1000?		0.48	0.48	0.48	0.48	0.48
Heat Conductivity at 1000?		14	14	13.5	13.5	14
Refractoriness Under Load		?1,700?	?1,700?	?1,700?	?1,700?	?1,700?
		* Various annealing kiln furnace, slabs plates, supports post, seggers.
Application		*Thermal radiation plate, tub (pipe)
		*Magnetic material smelting furnace, furnace chamber plate, pusher plates.
		*Steel anneal furnace, trial brick, flannel coating furnace.
		*Al melting furnace, arc melting furnace, non fero metal melting furnace linear.
		*Acid liquid recovery tank, linear, filtering material.
		*Incinerator linear refractory.