Type
Item
Feldspar
Feldspar-Mullite
Mullite
Mullite-Corundum
Corundum
Chemical composition
%
Al2O3
20-30
30-45
45-70
70-90
≥90
Al2O3+SiO2
Fe2O3
≤1
Water absorption %
≤5
Acid resistance, %
≥98
Alkali resistance,%
≥80
≥82
≥85
≥95
Thermal resistance,℃
≥1300
≥1400
≥1500
≥1600
≥1700
Crushing Strength(N/pc)
Φ3
≥120
≥140
≥150
≥160
≥200
Φ6
≥400
≥420
≥440
≥480
≥500
Φ8
≥520
≥600
≥620
≥650
Φ10
≥700
≥800
≥900
≥1000
Φ13
≥1100
≥1800
Φ16
≥2300
≥2600
Φ20
≥2000
≥2800
≥3200
Φ25
≥2500
≥3600
≥4000
Φ30
≥3000
≥3500
≥4500
Φ38
≥5000
≥5500
≥6000
Φ50
≥6500
≥7000
≥8500
≥10000
Φ75
≥11000
≥12000
≥14000
≥15000
Bulk density, kg/m3
1300-1400
1400-1500
1500-1600
1600-1800
≥1900
Note: The data of bulk density is given for reference only, not as the acceptance criterion
Diameter, mm
Φ3
Φ6
Φ8
Φ60
Tolerance, mm
±1.0
±1.5
±2.0
±3.0
4. Implementation of standard
Contact person:Jane peng E-mail:jane@pxlihua.com
Skype:pxlihuajane
Tel:0086-799-6886893 Fax:0086-799-6835693 Mobile:0086-18979985936