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Ceramic Roller

QDS1100,QDS1200S,QDS1250, QDS1300

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Description

Ceramic Roller
Specifications:
, characteristics
Items
Types
QDS1100QDS1200SQDS1250 QDS1300
Physical Properties
Bulk Density(g/cm3) 2.3~2.5 2.5~2.7 2.5~2.7 2.5~2.7
Straightness <0.07%*L<0.07%*L <0.07%*L <0.07%*L
Apparent Porosity(%) 20~25 17~22 17~22 15~20
Water Absorption(%) 8~10 6~8 6~8 6~8
Bending Strength
(Mpa)
Room Temp. 40~50 45~55 45~55 60~67
High Temp.(1300°C) >20 >30 >40 >40
Thermal Expansion Coefficient
(×10-6/°C)(25-1000°C)
5.5~5.7 5.7~6.0 5.6~5.9 5.7~6.0
Thermal Shock Resistance Good Excellent
Very
good
Very
good
Max.Working Temp.(°C) 1100 1200 1250 1300
Chemical Composition
Al2O3(%) 65~68 74~76 74~76 70~72
SiO2(%) 25~27 22~24 22~24 21~23
ZrO2(%) - - - 4~7
Application
Roller Kiln × × × ×
Glazed Wall Tile × × × ×
Glazed floor Tile × × × ×
Porcelain Tile × × × ×
Tableware × ×
Magnetic Ceramics ×
Sanitary Ceramics ×
Hi-tech Ceramics
Specification ?21-70mm,Length up to≤ 4500mm

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