Ceramic > Ceramic Rollers

Technical Characteristics

Characteristics Items Types
S-1000/
VF85
VS-3000/
VJ95
VS-4000/
SC95
S-3000/
VF95
S-4000/
DF95
S-5000/
GF95
S-6000/
GF98
Physical Properties Bulk Density (g/cm3) 2.3-2.5 2.5-2.7 2.4-2.6 2.5-2.7 2.5-2.7 2.6-2.9 2.7-3.0
Apparent Porosity (%) 20-25 17-22 18-21 17-22 15-20 14-18 14-18
Water Absorption (%) 6-8 6-8 6-8 6-8 6-7.5 4-6 4-6
Bending Strength (Mpa) Indoor Temp. 40-50 45-55 55-65 45-55 50-60 55-65 60-70
High. Temp. >40 >30 >40 >30 >40 >50 >60
1200°C 1350°C 1200°C 1350°C 1350°C 1350°C 1350°C
Thermal Expansion Coefficient
(x10-6/°C)(25-1000°C)
5.4-5.9 5.6-6.0 5.0-5.5 5.6-6.0 5.7-6.1 5.8-6.2 5.8-6.2
Thermal Shock Resistance Good Very Good Very Good Very Good Very Good Very Good Very Good
Max. Working Temp. (°C) 1000 1200 1200 1200 1300 1350 1400
Composition A12O3 (%) 67-69 70-72 35-45 70-72 70-72 70-72 72-74
SiO2 (%) 25-27 23-25 15-20 23-25 21-23 21-23 17-19
ZrO2 (%) - 3-5 - 3-5 4-7 4-7 5-8
Fe2O3 (%) 0.4-0.6 0.4-0.6 0.3-0.4 0.4-0.6 0.3-0.4 0.3-0.4 0.2-0.3
SiC - - 45-55 - - - -
Application Roller Kiln    
Glazed Wall Tile    
Glazed Floor Tile    
Porcelain Tile
Tableware      
Magnetic Ceramics        
Microcrystal Tile        
Sanitary Ceramics        
Hi-tech Ceramics          
Specification O.D. Φ21-70mm, Length up to ≤4800mm
Linearity ≤0.07% x L