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
|
|