REFRACTORY MATERIALS

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The series of advanced silicon carbide products include silicon nitride bonded silicon carbide blast furnace brice,kiln furniture furniture(board,support),silicon carbide tube,sialon bonded silicon carbide brick and silica bonded silicon carbide product.They are widely used in the field of nonferrous,metallurgical,electron,ceramic,mechanical and chemical industry series as furnace lining,blast furnace ruyere brick,deek,supporting column,pusher,flame-proof board,abrasive parts and heat exchanger tubes.

Oxygen bonded silicon carbide product

Apparent porosity %	< 18
Mpa cold temperature bending strength	30
Bulk density g/cm³	> 2.58
Refractoriness ℃	≤1650
Mpa cold crushing strength	>100
Using Service Temperature ℃	≥1350
SIC %	≥85
Fe₂O₃	≤0.5

Property silicon nitride bonded silicon carbide product

Characteristics		Silicon nitride bonded silicon carbide product
Characteristics		Blast furnace brick	Kiln brick	SiC tubes
Bulk density g/cm³		≥2.60	≥2.60	≥2.55
Apparent porosity %		≤18	18-20	≤20
Mpa Crushing strength Mpa		≥150	≥150	≥120
Mpa MOR	room temp1400℃	≥40 ≥45	≥40 ≥40	≥30 ≥35
Thermal expansion(×10⁶/℃)		4.5(20-1000℃)	4.4(20-1000℃)	16.4(1000℃)
Thermal conductivity(W/mk)		15.7(1300℃)	15(1200℃)
Highest service temp		1500℃	1500℃	1500℃
chemical content SIC		≥70	≥70	≥70

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