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Matt Frits

Matt Frits – product code started with HM- are suitable for high quality matt glazes for floor tiles, wall tiles and semi-porcelain tiles. They can be used with raw materials as quartz, feldspar, calcium carbonate, dolomite, zirconium silicate, zinc oxide…to get glazes with desired whiteness and surface.

Code

Chemical composition (%)

COE 3*α
(10-7 K-1)

Softening point
 (oC)

Fire-temprature
 (oC)

SiO2

Al2O3

Na2O

K2O

CaO

MgO

BaO

ZnO

B2O3

ZrO2

P2O5

TiO2

SrO

HM007

52-55

10-13

0-2

4-6

9-12

0-2

8-10

6-8

1-3

 

 

 

 

219 ± 9

-

1130-1160

HM002

52-54

8-10

0-2

2-4

7-9

1-2

10-13

13-15

 

 

 

 

 

159 ± 9

-

1125-1165

HP427

47-50

14-17

2-3

2-4

18-21

2-4

1-3

6-8

 

 

 

 

 

216 ± 9

>950

1160-1220