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Brand Name	80D	80P	85D	85P	PCPF90	ZIR	ZM
Raw Material base	low ferric cal bauxita/ brown fused alumina	low ferric cal bauxita/ brown fused alumina phosphate bonded	low ferric cal bauxita/ brown fused alumina	low ferric cal bauxita/ brown fused alumina phosphate bonded	made of low cement castables/ brown tabular alumina	Fused Zirconium oxide grains	Fused mulite & Fused zirmul grains
Al₂O₃%	Al₂O₃% : 78-80%	Al₂O₃% : 78-80%	Al₂O₃% : 84-85%	Al₂O₃% : 84-85%	Al₂O₃% : 88-90%	ZrO₂% : 64%	Al₂O₃% : 68%
Fe₂O₃%	1.6	1.6	1.5	1.5	1.5	0.5	0.5
Physical Properties
P.C.E - Orton/Deg .C	37	37	37	37	37	37	37
App. Prorosity(%)	19	18	19	18	NIL	18	18
B.D	2.75	2.75	2.8	2.8	3	3.3	3.1
CCS	820	820	850	850	1100	750	750
Thermal Properties
RUL	1500	1500	1500	1500	1500	1600	1700
PLC	+/- 0.5 at 1500ºC/2 Hrs	+/- 2.0 at 1500ºC/2 Hrs	+/- 0.5 at 1500ºC/2 Hrs	+/- 0.5 at 1500ºC/2 Hrs	+/- 0.5 at 1500ºC/2 Hrs	+/- 0.5 at 1600ºC/2 Hrs	+/- 0.5 at 1700ºC/2 Hrs
Size Tolerance	+/- 1.5% or 2mm whichever is greater

Brand Name	B62D	B70	B70L	B70LF	B70LIP	B70M
Chemical Analysis
Al₂O₃% Min.	62-64	68-70	68-70	70-71	70-71	71-72
Fe₂O₃% Max.	1.2	3.5	2.5	2	2	0.5
					(1.5 % PB)
Physical Properties
P.C.E - Orton/Deg .C	36	36	36	36	36	37
App. Prorosity(%)	18	23	22	22	19	18
B.D(gm/cc) Min	2.5	2.6	2.6	2.65	2.65	2.60
CCS(Kg/cm2)	650	650	700	780	780	750

Thermal Properties
RUL	1550	1450	1460	1470	1470	1600
PLC	+/- 0.5 at 1500ºC/2 Hrs	+/- 2.0 at 1450ºC/2 Hrs	+/- 1.0 at 1450ºC/2 Hrs	+/- 2.0 at 1500ºC/2 Hrs	+/- 2.0 at 1500ºC/2 Hrs	+/- 2.0 at 1600ºC/2 Hrs
Size Tolerance	+/- 1.5% or 2mm whichever is greater