Glaze / Enamel / Engobe

Clays firing to cream-white, yellow and red.
Chamotte as non-binding agent provides AI₂O₃.
Potassium feldspathic sand (pegmatite) and sodium feldspar.

Clay

available:

raw lumpy
shredded
directly ground
dry ground up to < 63 μm

Firing colour	Type Data in [%]	AI₂O₃	TiO₂	Fe₂O₃	K₂O
	CLAY GF plastic refractory	32,50	1,62	1,58	0,88	Details
	CLAY GFR plastic refractory	29,20	1,78	1,93	0,42	Details
	CLAY GFU plastic refractory	26,70	1,81	3,42	0,56	Details
	CLAY GTR stabilising colour plastic	22,60	1,19	6,45	2,61	Details
	CLAY GWE 38 refractory	38,60	1,89	1,02	0,72	Details

Chamotte

available:

also fractional
ground in the range < 30 mm up to < 63 μm

Firing colour	Type Data in [%]	AI₂O₃	TiO₂	Fe₂O₃	K₂O
	Chamotte GF refractory	32,60	1,57	1,58	0,81	Details
	Chamotte GFR refractory	29,40	1,69	1,76	0,45	Details
	Chamotte GWE 38 refractory	38,60	1,89	1,02	0,72	Details

Feldspar

available:

sieved 0-8 mm
ground in the range < 500 μm up to < 63 μm

Firing colour	Type Data in [%]	TiO₂	Fe₂O₃	K₂O	Na₂O
	Pegmatit GP 33	0,11	0,10	3,94	0,15	Details
	Pegmatit GPA 45	0,12	0,09	6,03	0,28	Details
	Sodium feldspar FSN intensiv vitrification	0,21	0,05	0,28	10,50	Details
	Sodium feldspar FSN-W intensiv vitrification	0,13	0,03	0,28	10,50	Details

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