95% Hot Sale Alumina Ceramic Heating Bead

• Application: Industrial Ceramic
• Purity: 95%
• Type: Ceramic Parts
• Model NO.: TCH
• Al2O3: 95% Al2O3
• Color: White / Pink
• Material: Alumina Ceramic
• Transport Package: Standard Export Pack
• Specification: SGS ISO
• Trademark: ZALY
• Origin: Lianyungang, China
• HS Code: 69091900
• Production Capacity: 300000 PCS/Month

Product Description

Higher density, surface finish and unifomity than heat press cast method, excellent thermal conductivity.

Application: As ceramic parts of flexible pad and channel heaters at operations of pre and postweld heat treatment
 
 
Special Ceramic is characterized by high strength,high hardness, heat-resistance,corrosion resistant,wear resistant,pressure,good insulation property.
 
Customized products is provided according to your requirement.

Property		Unit	92% Alumina Ceramic	95% Alumina Ceramic	99% Alumina Ceramic
Density		g/cm3	≥ 3.63	≥ 3.68	≥ 3.83
Water absorption		%	O	O	O
Sintering temperature		°C	1500-1700	1600-1800	1700-1800
Hardness		HV	≥ 1400	≥ 1500	≥ 1650
Flexural strength		Kgf/cm2	3000	3000	3000
Compressive strength		Kgf/cm2	24000	25000	26000
Fracture toughness		Map.m3/2	3~4	3~4	4~5
Maximum temperature		°C	1600	1700	1800
Coefficient of thermal expansion		/°C	8*10-6	8*10-6	8*10-6
Heat shock		T(°C)	220	220	220
Thermal conductivity		W/m.k(25-300°C)	25 14	25 14	25 14
	20°C		>1012	>1012	>1012
Volume resistivity	100°C	>.cm	1012-1013	1012-1013	1012-1013
	300°C		>1010	>1010	>1010
Insulation breakdown strength		KV/mm	14	16	18
Dielectric constant		100MHz(E)	8.5	9	9.5