BAVARIAN PORCELAIN GROG 0-1 P612NF

Bavarian porcelain grog 20% de molochite 0-1 mm - P612

T° Bisqueware / 980°C

T° Firing / 1200 - 1280°C

 

Technical characteristics /

Porosity at 1280°C / 0.15

Expansion coefficient 20-500 / 56 x 10-7

Chemical analysis % :

SiO₂………………… 59.10

Al₂O₃ ..…………….. 33.80

Fe₂O₃ ………………   0.70

TiO₂ …………………    0.40

MgO ………………… 0.12

CaO …………………. 0.28

K₂O ………………….  1.60

Na₂O ………………… 2.40

Fire loss …………7.80

 

Modulus of rupture :

On dry at 40°C .......   1,35 N mm2

 

Shrinkage :                 

wet to dry ...... 6

from dry to cooked ..........   9.50%

 

Water absorption at 1280°C ................ 0.15

 

Coefficient of expansion from 20 to 500°C : 56 x10-7

 

Presentation : Only in 10 kg deaerated loaves