FRITTE FR4 SILICO-ALCALINO-CALCAIRE

FRIT FR4 SILICO-ALKALINE-LIMESTONE

Silica-Alkaline-Limestone Frit

Ref : FR4 (SIO² NAKO)


Delivered in welded plastic bag.

Frit without alumina and very rich in CaO, Na2O, K²0 with little silica.

It can be used as a base for Raku or earthenware glazes or for high temperature glazes.

Molar formulas:

CaO = 0.30 Al2O3= 0.03 SiO2= 2.40

Na2O = 0,40               

K2O= 0,30

Molar mass: 217g

Tips :
Firing range 1000° C - 1300° C
Expansion coefficient 25-300°C: 50

 
Group I - Lead free frit for food