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| 原產地：江西 | 二氧化矽含量：51.7（%） | 品級：優等品 |
| 熱膨脹系數：6.5*10-6mm/mm.攝氏度 | 類別：超細粉 | 折光系數：1.63 |
| 熔點：1544（℃） | 莫氏硬度：4.5-5 | 密度：2.78---2.91（g/cm3） |
| 白度：90（%） | PH值：7-9 |
| 產品圖片 |
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| 產品特點及用途 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
註：可以按照客戶的需求生產不同白度、純度、細度的矽灰石粉。
英文版The English version
Silicon ash powder 400-2500 mesh
Second, the related technical parameters
Gauge,
Determination of project
400 m
800 m
1250 m
2000 m
2500 m
SiO2
Silica % or less
49.8
49.8
49.8
49.8
49.8
cao
Calcium carbonate % p
47.2
47.2
47.2
47.2
47.2
Fe2O3
Ferric oxide % or less
0.2
0.02
0.02
0.02
0.02
MgO style
Magnesium oxide % or less
0.25
0.25
0.25
0.25
0.25
Al2O3
3 oxidation 2 aluminium % or less
0.25
0.25
0.25
0.25
0.25
PH Value
The PH
7-9
7-9
7-9
7-9
7-9
whiteness
Whiteness % p
90
91
92
92
92
The True Specific Gravity
True ratio (t/m3)
2.8
2.8
2.8
2.8
2.8
Postulate Specific Gravity
False ratio (t/m3)
0.6 to 1.4
0.6 to 1.4
0.6 to 1.4
0.6 to 1.4
0.6 to 1.4
The Moh s Hardness
Mohs hardness
4.5 to 5.5
4.5 to 5.5
4.5 to 5.5
4.5 to 5.5
4.5 to 5.5
Refraction Coefficient
Refraction coefficient
1.63
1.63
1.63
1.63
1.63
Melting Point
Melting point ℃
1540
1540
1540
1540
1540
density
The density of the
2.75
2.75
2.75
2.75
2.75
Coefficient of Thermal Expansion
Thermal expansion coefficient
6.5 * 10-6
6.5 * 10-6
6.5 * 10-6
6.5 * 10-6
6.5 * 10-6
The Length Density
Length to diameter ratio
20 - spake
10 - those days
10 - those days
10-15
10-15
Loose Density
Loose density (g/cm2)
0.1 to 0.15
0.2 to 0.25
0.25 to 0.28
0.35 to 0.4
0.4 to 0.5
Compacted Density
The compaction density (g/cm2)
0.8 to 0.85
0.8 to 0.85
0.8 to 0.85
0.8 to 0.85
0.8 to 0.85
Loss on lgnition
Ignition loss %
2
2
2
2
2
Moisture Content
The moisture % or less
0.3
0.3
0.3
0.3
0.3
Sieve Test
45 microns screenings (20 microns or less
0.02
0.001
0
0
0
Particle Size
Particle size of D97 (microns) or less
40
16
10
6
5
The Product Shape
The product shape
fibrous
fibrous
fibrous
fibrous
fibrous
The Appearance
The appearance
White powder
White powder
White powder
White powder
White powder
Note: can according to customer demand production of different whiteness, purity, silicon ash powder fineness.
Three, product main purposes
Is widely used in composite materials, electronic components, packaging materials, high-performance rubber products, auto, mould shell), papermaking, ceramics, building materials, rubber, plastic, paint, coating, metallurgy, chemical industry, welding electrode, nylon powder and as asbestos substitute, etc.
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