chrome and tin again

updated tue 14 feb 12

pat gilmartin on sun 12 feb 12

Will it damage firebrick or kiln elements to fire a glaze containing =3D

=3D0A=3D0AWill it damage firebrick or kiln elements to fire a glaze contain=
ing =3D
both tin and chrome?=3D0A=3D0AThanks,=3DA0=3DA0=3DA0 PG=3D0A