Low-iron electrical grade fused magnesia

Model:	HR-985/99
Brand:	N.HERO
Origin:	Made In China
Category:	Metallurgy , Mining & Energy / Metallurgy & Mining / Non-metallic Mineral Products
Label:	Fused Mgo , Mgo Powder , Low-iron Mgo
Price:	¥6 / KG
Min. Order:	1000 KG

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Product Description

CHEMICAL COMPOSITION:(%)
FE2O3                0.09MAX
SIO2                   0.2MAX
CaO                    0.8MAX
AL2O3                0.07MAX
MGO                  98.5MIN
B.D                     3.56MIN
MAGNETIC FE(PPM)    50MAX
C(PPM)                50MAX
S(PPM)                15MAX
B(PPM)                35+/-25

ELECTRICAL GRADE MAGNESIUM OXIDE

TYPICAL PROPERTIES	HR3A	HR3B	HR3C	HR3D
PHYSICAL PROPERTIES
F Density(g/cc)	2.4	2.39	2.39	2.38
F Flow(sec/100g)	180	180	180	180
Magnetic Iron(wt.%)	0.003	0.003	0.003	0.003
Sieve Analysis (% Retained)
U.S.Std Sieves
40	0	0	0	0
60	32	34	34	34
80	16	15	15	15
100	10	9	9	9
200	27	27	27	27
325	9	9	9	10
-325	6	6	6	6

ELECTRICAL PROPERTIES
mA at 11w/cm2	0.06
mA at 10w/cm2		0.06
mA at 9w/cm2			0.06
mA at 8w/cm2				0.06

CHEMICAL ANALYSIS(WT.%)
Sio2	1.7	2	2	6
Cao	0.2	0.4	0.8	2
Fe2O3	0.05	0.07	0.08	0.06
Al2O3	0.04	0.05	0.06	0.01
S(ppm)	15	15	15	15
B(ppm)	35	35	35	35
C(ppm)	25	25	25	25
Mgo	98	97.5	97	92

LOI (WT.%)	0.01	0.01	0.01	0.01


determined on a 7.5mm to 6.0mm O.D.roll reduced incaloy element with a heated length of 2000mm having a 3mm O.D.