7-12 (12) VHANDY Alumina Ceramic White Honeycomb For Heat Exchanger
7-12 (12) VHANDY Alumina Ceramic White Honeycomb For Heat Exchanger
1.VHANDY 95% Alumina Ceramic Parts
VHANDY is professional with high quality 95%, 99%, 99.7% alumina ceramic parts;
Molding process is mainly hot, dry pressure, isostatic pressing;
Products alumina purity to meet customer requirements, tolerances can be controlled within ± 0.001mm range;
Surface roughness can reach Ra0.2um, for deep processing, the surface roughness can be controlled below Ra0.02um;
According to the use of ceramic pieces of the environment, recommend the best solution for customers.
2.Advanced Ceramics Features
1) A variety of specifications available 2) Satisfy various technical request
3) Lower medium spoilage 4) Good insulation performance
5) High strength 6) Wear resistant performance
7) High density 8) refractory and high temperature resistance
|
Item
|
Unit
|
95% Al2O3
|
99% Al2O3
|
99.7% Al2O3
|
ZTA
|
|
% Al2O3
|
%
|
95
|
99
|
99.7
|
70
|
|
Density
|
g/cm³
|
3.6
|
3.89
|
3.9
|
4.3
|
|
Porosity
|
%
|
0
|
0
|
0
|
0
|
|
Firing Temp
|
°C
|
1680
|
1700
|
1800
|
1600
|
|
Hardness
|
HV
|
1500
|
1600
|
1700
|
2000
|
|
Flexural Strength
|
Kgf/cm²
|
3000
|
3500
|
3500
|
4500
|
|
Compressive Strength
|
Kgf/cm²
|
25000
|
30000
|
30000
|
45000
|
|
Fracture Toughness
|
MPa/m
|
3~4
|
3.8
|
4
|
5~6
|
|
Max Operating Temp
|
°C
|
1450
|
1600
|
1700
|
1500
|
|
Coefficient
|
cm/cm/°C
|
8
|
5.6
|
8
|
8
|
|
Thermal Expansion
|
(RT to 700°C)
|
||||
|
Thermal Conductivity
|
W/m°K
|
22
|
25 |
27
|
2.7
|
|
Volume Resistivity
|
20°C
(ohm - cm)
|
1012
|
1012
|
1012
|
1012
|
|
100°C
(ohm - cm)
|
1012~1013
|
1012~1013
|
1012~1013
|
1012~1013
|
|
|
300°C
(ohm - cm)
|
1010
|
1012
|
1012
|
1010
|
|
|
Dielectric Strength
|
Volts/mil
|
210
|
216 |
220
|
210
|
Shenyang Vhandy Technology Co., Ltd. has been committed to the design, development and manufacture of industrial ceramics, specialized in manufacturing and exporting ceramic products, such as zirconia ceramic, alumina ceramic, cordierite, mullite, ZTA, silicon carbide, silicon nitride, boron carbide, boron nitride, etc.
After years of efforts and explorations, rich experience has been accumulated, especially in domestic and oversea ceramic processing. Producing capabilities include the latest pressing and compaction technologies, state of the art CNC green machining, sintering and precision diamond grinding techniques. With senior scientists and skilled technicians, we can handle customer drawings under the R&D, producing and processing all types of ceramic pieces. Our products have already passed the ISO 9001 quality certification system and SGS ROSH system. Because of stable performance and high precision, our products have been successfully used in various areas, including electronic, mechanical, aerospace, textile, chemical fileds, as well as scientific researches.
Quality, service and reputation are three main purposes of our company. We will manage our production and check standards strictly according to client’s drawings. We promise we will spare no efforts to serving our clients with high-quality products. Welcome clients around the world come to contact us.
Q: Are you trading company or manufacturer?
A: We are manufacturer.
Q: How long is your delivery time?
A: Generally within 30 working days, it is according to quantity.
Q: Do you provide samples? Is it free or extra?
A: The samples can be provided, but the shipping cost should be on buyer's account.
Q: What is your term of payment?
A: Payment<=10000 USD, 100% in advance. Payment>=10000 USD, 70% T/T in advance, balance before shipment.
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