Под заказ 99% Al2o3 керамические пластины/листы/подложки из оксида алюминия с высокой

Сохранить в закладки 1600295045083:


Цена:10,00 $ - 20,00 $*

Количество:

  • В избранное

Описание и отзывы

Характеристики







Products Description




Alumina ceramic plates
Alumina ceramic plates can withstand high temperature and maintain high strength and hardness. And it also has superb performances in electrical insulation, high chemical resistance, good were resistance and heat resistance, and low thermal expansion.
Advantage
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) Stiffness texture


Technical Parameters


Property
Units
Al2O3 Content
%
96
98
99.5
99.7
Density
g / cm3
3.70
3.80
3.90
3.92
Color
-
White
White
Ivory
Ivory
Compressive Strength @ 25 C
Mpa
2229
2091
2512
2350
Tensile Strength @ 25 C
MPa
200
200
248
252
Flexural Strength @ 25 C
MPa
331
276
324
320
Elastic Modulus @ 25 C
GPa
290
331
366
380
Hardness : Knoop Rockwell
(Gpa) Kg/mm2
R45N
(11.7) 1196
79
(12.5) 1276
77
(14) 1428
85
(15) 1510 90
Thermal Conductivity @ 25 C
W / m-Deg K
20.8
28.1
30.7
31.6
Coefficient of Thermal Expansion @ 25-1000 C
1 X 10-6 /
Deg C
7.9
8.5
8.1
8.0
Specific Heat @ 25 C
cal / g / Deg C
.184
.184
.182
.180
Maximum Working Temp.
Deg C
1650
1650
1700
1700
VolumeResitivity @25C @700 C
ohm-cm
ohm-cm
1 X 10-13
1 X 10-8
1X 10-13
2.2 X 10-9
1 X 10-13
6 x 10-7
1 X 10-13
6 x 10-7
Dielectric Strength
(@Thickness) 100Mils
ac volts
per mil
350

340
335
330
Dielectric Constant 1Mhz
@25C
e' / eo
8.6
9.4
9.7
10.0
Dissipation Factor 1 Mhz
@25C
Tan Delta
.0004
.0003
.0003
.0002
























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