Aluminum silicate tap hole cone is used for blocking the aluminum liquid at the casting table, or melting furnace or filter box.
	Normal specification: Ф30*40,  Ф50*70,  Ф55*90,  Ф60*95,  Ф70*115, Ф80*115,  Ф80*140,  Ф90*130,  Ф100*180.
	Composition: Si0263.3%,  AL20336%,  Ti02 0.5%, Fe2030.1% other<0.1%.Density of hole cone: 0.30-0.35g/cm3.
	Thermal property:
	1) Resistance temperature: 1100℃
	2) Max. working temperature: 1000℃
	3) Continuous usage: 800℃Thickness: ±1mm







