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Shanghai Guangyao Ceramics Co., Ltd.
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High Temperature Resistant Yellow 99% Alumina / AL2O3 Ceramic Tubes Wear Parts

High Temperature Resistant Yellow 99% Alumina / AL2O3 Ceramic Tubes Wear Parts

Brand Name : Guangyao
Place of Origin : Shanghai
Certification : CE, QS, CCC
MOQ : Negotiable
Packaging Details : Standard Packaging
Payment Terms : L/C,T/T,Western Union,MoneyGram,Paypal Escrow
Supply Ability : 50000 Set/Sets per Month
Delivery Time : 7-20 Days
Price : Negotiable
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High Temperature Resistant Yellow 99% Alumina / AL2O3 Ceramic Tubes Wear Parts


Description:

1. Material: 99% AL2O3 (Cr/Mn)

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

3. Color:yellow

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.


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℃


9

9.7

9.7

Dielectric strength


ac-kV/mm (ac V/mil)

8.3 (210)

8.7 (220)

8.7 (220)

Volume Resistivity

100℃

ohm-cm

> 1013

> 1014

> 1014


Product Tags:

alumina ceramic properties

      

high alumina ceramic

      
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