Product Details

high quality best service resistance mullite bolts corundum mullite ceramic screw

1. Material: Mullite

Name		Alumina	Dense Cordierite	Porous Cordierite	Cordierite-Mullite	Mullite	Corundum mullite
Density(g/cm3)		2.0~2.3	2.1 ~2.5	1.5 ~1.9	1.8~2.3	2.0 ~2.5	2.3 ~2.7
Coefficient of heat expansion(×10-6K-1)(20~800°C)		≤5	≤3.5	≤3.0	≤3.5	≤5	≤6
Specific Heat (J/Kg.K)(20~1000°C)		900~1150	900~1100	900~1100	900~1150	1000~1150	1100 ~1300
Thermal Conductivity (W/m.k) (20~1000°C)		1.5~2.0	1.5~2.5	1.2~1.8	1.5~2.0	1.5~2.0	1.5~2.5
Impact Thermal Resistance(°C/min)		≥300	≥300	≥350	≥350	≥350	≥300
Max. Working Tem.(°C)		1350	1300	1300	1320	1450	1550
Water absorption(%)		15-25	≤2	15~25	15 ~25	15~25	15 ~25
Compressive strength(MPa)		≥28	≥28	≥25	≥25	≥28	≥30
Chemical composition (%)	Al2O3	55 ~65	25 ~38	28 ~38	40~52	60 ~70	70 ~80
	SiO2	25~35	50 ~60	45 ~55	45 ~55	25 ~35	15 ~25
	MgO	1~3	5 ~10	11 ~14	7~9	0 ~1	0 ~2
	others	<5	<5	<5	<5	<5	<5

2. Feature:

1). low thermal expansion
2). large specific heat capacity
3). high specific surface area
4). low pressure drop
5). small thermal resistance
6). good thermal conductivity
7). good heat-shock resisting ability

3. Application:

1)Electric appliance industry

2)Automotive industry

3)Mechanical industry

4)Engineer industry

4. About us:
Jiangsu Sailamike Precision Ceramic is a worldwide leader in the development and production of advanced insulating ceramics. We provide a wide selection of advanced ceramics including Alumina ceramic, Zirconia ceramic, cordierite, steatite ceramic and mullite, which improves and extends the performance of your product, process, or system. Whether you need high temperature stability, high hardness and wear resistance surfaces, improved stiffness to weight radiations, anti-corrosive barriers or low thermal expansion rates - we can deliver. We can offer significant performance and cost advantages to meet your needs.

Welcome you contact us for more information.

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