Hommel Frit 440

ID: hommel-frit-440

Description

This substance is a zirconium-based sodium borate frit containing a one percent lead content.

Oxide	Analysis	Formula	Tolerance
k2o	0.65%	0.04	-
na2o	7.23%	0.72	-
cao	1.71%	0.19	-
mgo	0.09%	0.01	-
pbo	1.06%	0.03	-
al2o3	6.72%	0.41	-
b2o3	15.87%	1.42	-
sio2	55.69%	5.76	-
zro2	10.93%	0.55	-
Oxide Weight			620.90
Formula Weight			620.90