Contact Information

Address: Ida, By-Pass Road, Peddapuram, Andhra Pradesh, India, 533437
Country: [India]
Phone: - - 91-8852-243220
Mobile: -
Fax: - -
home products Prespin Spinel

Prespin Spinel

Product Details:

Keywords Loose Gemstone, Prespin Spinel, , White Circle Oxides Ltd, India
Category Timepieces, Jewelry, Eyewear > Jewelry >Loose Gemstone
Payment Terms
Group

Detailed Product Description


 

Type

Magnesia rich

Alumina rich

GRADE

PRESPIN - 65

PRESPIN 78

PRESPIN 90

Typical chemical analysis (%)

Typical Range

Min.

Max.

Typical Range

Min.

Max.

Typical Range

Min.

Max.

Al2O3

64.50 65.50

64.00

66.00

76.00 78.00

74.00

79.00

89.00 90.00

88.00

91.00

MgO

33.00 34.50

31.00

35.00

22.00 23.00

20.00

25.00

9.00 10.00

8.00

11.00

CaO

0.75 0.90

-

1.25

0.75 0.90

-

1.25

0.30 0.50

-

0.60

SiO2

0.60 0.80

-

1.00

0.60 0.80

-

1.00

0.30 0.50

-

0.70

Na2O

0.02 0.07

-

0.10

0.05 0.10

-

0.12

0.05 0.08

-

0.12

Fe2O3

0.30 0.50

-

0.50

0.30 0.50

-

0.50

0.20 0.40

-

0.50

LOI

1.00 2.00

-

3.00

1.00 2.00

-

3.00

1.00 -2.00

-

3.00

Fineness

(-) 325 mesh

 

 

(-) 325 mesh

 

 

(-) 325 mesh

 

 

D50

1 2 µm

 

 

< 1 µm

 

 

< 1 µm

 

 

BET

Surface area (m2/g)

6 - 8

 

 

7 9

 

 

7 9

 

 



Prespin Spinel

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