Perlite

ID: perlite

Description

A form of volcanic glass that has undergone expansion.

Oxide	Analysis	Formula	Tolerance
al2o3	13.50%	1.02	-
sio2	72.50%	9.34	-
na2o	3.50%	0.44	-
k2o	4.00%	0.33	-
cao	1.00%	0.14	-
mgo	0.50%	0.10	-
fe2o3	1.00%	0.05	-
Oxide Weight			743.34
Formula Weight			774.31