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Cenosphere(hollow, from fly ash) (235622)
Details:

CAS  93924-19-7

Chemical composition 

Component

SiO2

Al2O3

Fe2O3

SO3

CaO

MgO

K2O

Na2O

Content (%)

50-55

28-33

2-4

0.1-0.2

0.2-0.4

0.8-1.2

0.5-1.1

0.3-0.9


Physical properties 

Item

Test index

Item

Test index

Appearance

High mobility spherical powder

Particle diameter(um)

10-400

Color

Grayish white

Specific resistance(Ω·CM)

1010-1013

True density(g/cm3)

0.5-0.99

Mohs hardness

6-7

Bulk density (g/cm3)

0.3-0.6

pH(in water)

6

Refractoriness(°C)

1450

Melting point (°C)

≥1400

Thermal diffusivity(m2/h)

0.000903-0.0015

Thermal conductivity (w/m·k)

0.054-0.095

Compressive strength (Mpa)

≥35

Refractive index

1.54

Loss on ignition(%)

1.33

Oil absorbency(g(oil)/g)

0.68-0.69


 

Specifications

Grade

Specification

Application

Price($/500g)

235622-P-1

40 mesh

General purposes

85

235622-P-2

60 mesh

General purposes

85

235622-P-3

80 mesh

General purposes

85

235622-P-4

100 mesh

General purposes

85

235622-P-5

150 mesh

General purposes

85

235622-P-6

200 mesh

General purposes

85

235622-C-1

8-20 mesh

Thermal insulation

105

235622-C-2

20-30 mesh

Thermal insulation

105

235622-C-3

30-60 mesh

Thermal insulation

105

235622-C-4

60-80 mesh

Thermal insulation

105

235622-M-A

1.0-1.2 g/ml

Oil field drilling

112

235622-M-B

0.9-1.0 g/ml

Oil field drilling

112

235622-M-C

0.8-0.9 g/ml

Oil field drilling

112

235622-M-D

0.7-0.8 g/ml

Oil field drilling

112

235622-M-E

0.6-0.7 g/ml

Oil field drilling

112


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