High-Temp grade is available by customer specifications.
 Typical 25 kg, 1 metric ton bag packing.
 Customer specific size and packing are provided.

 

HE-MS*

HE-M

HE-L

Chemical
Analysis
(%)

MgO

97 2

96 3

95 3

CaO

1.2 0.5

1.2 0.5

2.0 0.5

SiO2

1.2 1

1.2 1

1.5 1

Al2O3

0.7 0.5

0.7 0.5

0.7 0.5

Fe2O3

0.2 0.1

0.3 0.1

0.4 0.1

Sieve
Analysis
(%)

40 mesh (425 m)

1.0 1.0

1.0 1.0

1.0 1.0

60 mesh (250 m)

30 10

30 10

30 10

80 mesh (180 m)

22 7

22 7

22 7

200 mesh (75 m)

35 7

35 7

35 7

325 mesh (45 m)

8 4

8 4

8 4

-325 mesh

4 3

4 3

4 3

Tap Density (ASTM) (g/cc)

2.300.05

2.300.05

2.300.05

Flow Rate (ASTM) (sec/100g)

220 >

220 >

240 >

Insulation
 Resistance
(M)

400 C (752 F)

 

 

2000 <

700 C (1,292 F)

60 <

40 <

 

Electric Grade

Mid-Temp

Mid-Temp

Low-Temp

Silicon Coated

Coated

 

 

SPECIFICATION

 

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