Alumina Crucibles

Specifications 40years of experience on High Alumina High Corundum Crucibles,Pipes,Tubes,Plates,Boards Etc. . Alumina Ceramic Crucibles ’ features: 1) High purity: Al203> 99%, Good chemical resistance 2) Good temperature resistance: Long-term use in 1700°C, short-term in 1800°C 3), Good resistance to rapid cooling and rapid heating, not easy to burst. 4) Slip casting and high density   1. Description & Application Used for Industrial  smelting, laboratory.   2.Common Rim Diam 5ml 10ml 15ml 20ml 25ml 30ml 50ml 100ml 150ml 200ml or supply as customer's requirements.   3.Technical Specification of the Alumina Ceramic Crucibles Alumina Ceramic Crucibles ’ Chemical Composition 

Al2O3 ≥ 99.7%

R2O ≤ 0.2

Fe2O3 ≤ 0.1

SiO2 ≤ 0.2

Volume density (g/cm2) ≥ 3.80

Apparent porosity (%) <1

Bending strength (Mpa)> 350

Compressive strength (Mpa)> 2500

Dielectric constant Σ (1MHz) 2

Thermal Shock : Good

The highest operation temperature (°C) 1800

  Alumina Ceramic Crucibles ’ Physical Parameters 

Typical Phisical Properties
Al2O3	60	75	80	85	92	95	99	99.8
Density (g/cm3)	3.0	3.1	3.3	3.4	3.6	3.7	3.81	3.91
Flexural strength (MPa)	205	210	215.7	230	312	324	340	370
Thermal Conductivity (w/(m.R))	16	17	17	17	18	20	34	35
Dielectric strength	10	10	10	10	10	10	10	10
Max. service Temp. (°C)	1350	1100	1300	1350	1500	1600	1700	1800

95%-99.7% alumina content ceramics,mainly used in the production of industrial ceramics,such as textiles  and ceramics.99 porcelain is mainly used in the production casing Tancifaxin take over the seat of electronic products such as ceramics plates.   Company Information Established in 1964.our company own abundant tachnical and plentiful experience,covering floor of more than 40,000square meter's over 500 employees and up to 40 junior and senior technicians.as the secondary network supplier forSINOPEC and CNPC and appointed supplier toBASF,BAYERetc. top level group.        Photoes for  Alumina Ceramic Crucibles       Alumina Ceramic Crucibles Services Fax:0086-0731-23183385 Tel: 0086-0731-23183388-8010 Contact: Frank Email: export4 @ fq-porcelain.com skype: fuqiangceramics Web:www.fq-porcelain.com Welcome for your contact and inquiry!