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Al2o3 Insulating Threaded 99% Alumina Ceramic Rod High Temperature Resistance

Categories Alumina Ceramic Rod
Brand Name: Mingrui
Model Number: Customized
Certification: ISO9001:2015,
Place of Origin: China
MOQ: 20 pieces
Price: negotiable
Payment Terms: L/C, T/T, Western Union, MoneyGram, D/P, D/A
Supply Ability: 10000 pieces month
Delivery Time: 20 working days after the order confirmed
Packaging Details: wooden case or carton box with foam
Material: 95%-99% alumina Ceramic
standard: as the drawings
Purity: 99%
Max. working temperature:: 1700℃
Density: 3.65 - 3.90 g/cm3
Corrosion Resistance: High
Thermal Shock Resistance: 180 - 220 T(°C)
Flexural Strength: 280 - 300 Mpa
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Al2o3 Insulating Threaded 99% Alumina Ceramic Rod High Temperature Resistance

High Purity Threaded 99% Alumina Ceramic Al2o3 Insulating Rods


Material: 95%AL2O3, 99%AL2O3,99.3%AL2O3,99.5% AL2O3 ceramic


Alumina rod/ceramic shaft Specifications:

1. Alumina Purity: 99-99.7%
2. Working temperaure: 1800C
3. Diater :M5/M6/M8/M10 ect
4. Mating 99 alumina ceramic sleeve

Features:


1.Alumina is an electrically insulating material, with a high electrical resistivity, increasing with purity.


2.Very good electrical insulation (1x1014 to 1x1015 Ωcm)


3.Moderate to extremely high mechanical strength (300 to 630 MPa)


4.Very high compressive strength (2,000 to 4,000 MPa)


Typical properties

●Good strength and stiffness

●Good hardness and wear resistance

●Good corrosion resistance

●High thermal conductivity

●High temperature resistance

●Electrical insulation

●Low dielectric constant

Application examples

●Mechanical seal rings

●Plungers or pistons for valves

●Electronic substrates

●High temperature thermocouple tubes

●Textile eyelets or guides

●Electrical insulators

●Wear resistant nozzles

●Ceramic parts for high temperature furnace


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

ItemTest ConditionUnit Symbol95%Alumina ceramics99%Alumina ceramics99.7%Alumina ceramics
The main chemical ingredientAl2O3Al2O3Al2O3
Bulk Densityg/cm33.63.893.96
Maximum Use Temperature1450°C1600°C1650°C
Water absorption%000
ROHS Hardness≥85≥89≥89
Flexural strength20° CMPa (psi x 103)358 (52)550550
Compressive Strength20° CMPa (psi x 103)2068 (300)2600(377)2600(377)
Fracture ToughnessK(I c)Mpa m1/24-55.66

Coefficient of

thermal expansion

25-1000° C1X 10-6/°C7.67.98.2

Coefficient of

thermal conductivity

20° CW/m °K1630.030.4
Thermal Shock ResistanceTc°C250200200
Dielectricity constant1MHz.25°C99.79.7
Dielectric strengthac-kV/mm (ac V/mil)8.3 (210)8.7 (220)8.7 (220)
Volume Resistivity100°Cohm-cm> 1013> 1014> 1014


Factory Shows:

alumina ceramic bushing

Company Introduction:


Dongguan Ming Rui Ceramic Technology Co., LTD., a professional manufacturer of machined ceramic parts, has 10 senior engineers and lots of technicians. We produce strengthened structure zirconia ceramic bar, ceramic tube, ceramic shaft, ceramic plate, ceramic sleeve, ceramic valve, ceramic plunger and ceramic arm. The products are applicable to instruments, medical instruments, clocks and electronic products, mills, energy and power, machine and metals, autocar and military and some other high-end areas.


In cooperation with Tsinghua University, we've achieved great successes in particular requirements. With our professional knowledge and business experience in machined ceramic parts, low-budget and high-performance new ceramic products are made of high–quality raw materials. The value of our ceramic products is greatly increased due to the composite technology and precise processing.


Our high efficiency machined ceramic parts, perfect service and good reputation roots in our professional machined ceramic technology, continuous innovation, great sincerity and our pursuit for sustainable development. We have a unique technnology called “mirror polishing” that has improved the brightness, color, smoothness of our ceramic parts.

FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have any other question, pls feel free to contact us .

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