Refractory chamotte,Calcined chamotte,Calcined bauxite

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Product Overview

Description

Refractory chamotte,Calcined chamotte,Calcined bauxite

Characteristics:

1. High refractoriness.

2. Physicochemical stability.

3. Bulk density high .

4. Low porosity.

5. Low water absorption.

6. Fully calcined

7. Low impurity content.

8. Pure white.

 

Size and used:

Size of sand: 8-16,16-30,30-60,30-80,60-80,80-120 (mesh):Used for investment casting.

Size of powder: -200mesh,-270mesh,-325mesh: Used for investment casting and refractories.

Size of particle: 0-1mm,1-3mm,3-5mm,5-8mm,8-15mm,0-5mm,0-50mm:Used for refractories.

 

Physical and chemical index:

Item/Grade

YNS45

YNS45

YNS44

YNS44

YNS43

YNS42

YNS40

YNS36

A

B

A

B

 AL2O3 %  

46-48

45-48

44-48

44-48

43-48

42-46

40-46

36-42

SiO2 %

49-52

49-52

50-53

50-53

50-53

50-53

50-54

50-55

Fe2O3 %   (max)

1.0

1.15

1.3

1.5

2.0

2.5

3.0

3.5

Ti02 %   (max)

0.8

0.8

0.9

0.9

1.0

1.1

1.2

1.3

K2O+Na2O %   (max)

0.3

0.3

0.4

0.4

0.4

0.5

0.5

0.6

Ca0+Mg0 %   (max)

0.5

0.5

0.5

0.5

0.5

0.6

0.7

0.8

Bulk density g/cm³(min)

2.58

2.55

2.52

2.50

2.45

2.40

2.37

2.30

Refractoriness °C(min)

1780

1770

1760

1750

1740

1720

1710

1700

Impurities %  (max)

0.5

1.5

2.0

2.5

3.0

3.5

4.0

4.5

Applications:

Refractory chmotte is mainly used for manufacturing high-quality refractory products, refractory castable, sagger, kiln furniture, crucibles, ceramic fiber, precision casting sand, ceramics products, etc.

 

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