Property table our ceramic materials VDE 0335 (DIN 40865).
Heading d. material	KER 410 (C410)	KER 511 (B 511)
Color	White	Brown
Shaping	Pressed	Pressed
Wasseraufnahmevemögen %	0	5
Density kg/mm2	2,1	1,9
Compressive strenght N/mm2	300	200
RigidityN/mm2	50	35
Mohs-hardness	7	6
Wärmefeitfärigkeit (kcal/m.h.m.grd)	1,7-2,0	1,1-1,3
Temperaturwechselkeit (grad Celcius)	250	340-380
Fire resistance to Seger cones	--	18-32
Cone case point to the degree	---	1520-1710

Corrosion resistance:
Ceramic insulation are against corrosive effects of the atmosphere in the presence of salt, acid and alkalihaligen Dämpen and Lower beating - with the exception vo hydrofluoric acid - durable.

Kennzeichnende characteristics:
Large temperature resistance, the specific operating conditions of the electric heating appliances adapted

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