Delivery Time:Depends on the quantity, always in a month.
Certification:ROHS

 White  AL2O3 / Aluminum Oxide / Alumina Ceramic Axises / Shafs With 1650℃ Use Temperature

Description:

1. Material: 95% AL2O3 

2. Method of molding: Thermal casting/dry press/extrusion

3. Color:white

4. Sintering temperature: 1750℃

5. Surface finish: Ra0.4&simRa0.8&mum

6. Packing: Pack with carton and ship with wooden case

7. Produce products according to molds or drawings provided by the client and quote according the data 

   of the products

8. The mould fee of the non-standard products: According the quotation of product.

Applications:

Our products can be used in mechanical,electronics,chemical,textile,aeronautic and other fields.

The enterprises of electricity, steel, smelt, mechanism, colliery, mine, chemical, cement, oil field, will choose 

the different products according to their special requirements for the wearable mechanical instruments that 

works in the system of coal transfer, material transfer, milling, dust removing and so on.

Specifications:

95%,99%,99.7% Al2O3 Material Parameters:

Item	Test Condition	Unit Symbol	95%Alumina  ceramics	99%Alumina  ceramics	99.7%Alumina  ceramics
The main chemical  ingredient			Al2O3	Al2O3	Al2O3
Bulk Density		g/cm3	3.6	3.89	3.96
Maximum Use  Temperature			1450℃	1600℃	1650℃
Water absorption		%	0	0	0
ROHS Hardness			≥85	≥89	≥89
Flexural strength	20° C	MPa (psi x 103)	358 (52)	550	550
Compressive Strength	20° C	MPa (psi x 103)	2068 (300)	2600(377)	2600(377)
Fracture Toughness	K(I c)	Mpa m1/2	4-5	5.6	6
Coefficient of  thermal expansion	25-1000° C	1X 10-6/°C	7.6	7.9	8.2
Coefficient of  thermal conductivity	20° C	W/m °K	16	30.0	30.4
Thermal Shock Resistance	Tc	°C	250	200	200
Dielectricity constant	1MHz.25℃