Boron Nitride Tube, Boron Nitride Rod, Boron Nitride Pipe manufacturer / supplier in China, offering 98% Purity Boron Nitride Rod, Different Size Alumina Ceramic Thermocouple-Protection Tubes, 95%, 99%, 99.7% Alumina Ceramic Insulated Tube Stock and so on.
Min. Order / Reference FOB Price | |
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100 Piece | US $100.00/ Piece |
Local Area: | Zhuzhou, Hunan, China |
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R&D Capacity: | OEM, ODM, Other |
Payment Terms: | LC, T/T, PayPal |
Refractoriness (℃): | 1580< Refractoriness< 1770 |
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Feature: | Long Time Materials, Instant Materials |
Type: | Refractory Material |
Al2O3 / Alumina Ceramic Thermocouple Insulating Tube
Product Description
alumina ceramic tube:
1.Great mechanical strength.
2.Good heat resistant.
3.Good quality and best price.
4.Long life time.
1. We produce 95-99.7% alumina crucibles, boats, insulating parts, rods, wear resistance parts, high temperature ceramic parts etc of alumina ceramic tube products.
2. Mainly used in thermalcouple temperature, liquid steel continous temperature, various industrial furnace of alumina ceramic tube.
3. Especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout, military project etc industry of alumina ceramic tube.
Main performance index about alumina ceramic tube:
Project
Test the condition
Unit
99 porcelain
95 porcelain
Talc porcelain
Backbone
99%AL2O3
95%AL2O3
MgO.SiO2
Physical property
Density of volume
Normal atmospheric temperature
g/cm3
3.8
3.6
2.8
Airtight
Normal atmospheric temperature
.
.Pass
Pass
-
Absorbing water rate
Normal atmospheric temperature
%
0
0
0
Temperature that frit
°C
1800
1650
1350
Mechanical performance
Rockwell hardness
Normal atmospheric temperature
HRA
88
86
76
Resist the intensity of turning back
Normal atmospheric temperature
Mpa
350
320
150
Compression strength
Normal atmospheric temperature
Mpa
1300
1200
900
Hot performance
Use temperature at most
°C
1700
1600
1200
Heat resistant shaking
20O°C-1100O°C
10Num
Pass
Pass
Pass
Hot coefficient of expansion
20O°C-80O°C
x10-6mm/°C
6.5-8.5
6.5-8.0
5.0-6.2
Heat-conduction rate
25°C
W/m.k
29
25
2.9
300°C
W/m.k
18
13
2
Dielectric constant
The medium lossing
1MHz2O°C
x10-4
≤2.5
≤4
≤8.0
The angle tangent is worth
1MHz8O°C
x10-4
≤3.5
≤4.2
-
Dielectric strength
Normal atmospheric temperature
KV/mm
15
16
20
Dielectric constant
1MHz2O°C
9-10.5
9-10
≤7.5
Resistivity of volume
2O°C
Ω.cm
>1012
>1012
>1013
10O°C
Ω.cm
1012-1013
1012-1013
1010-1011
30O°C
Ω.cm
>1012
3.1x109
5x108
The sample pictures for alumina tube for your reference:
Packaging & Shipping
Packaging of alumina ceramic tube: PE bag inside outer carton(930*630*230mm),finally make the wooden pallet(950*950mm 950*1000mm) or according to your requirement
Shipping of alumina ceramic tube: delivery within 15 days after confirm the order.
Company Information
Hunan RuiYue is a modern enterprise management company, who devote themselves to the service of product research and development, construction and maintenance.
Our company has a long history. We own the advanced equipment, a young, energetic, proficient and experienced team of professionals which with leading technology strength, excellent operational management and high-quality services what made us be recognized by customers of the chemical, petroleum, electric power, metallurgy, building material, aerospace, machinery and other industries.
Our Services
Why choose Rui Yue?
High puriy material make sure high max working temperature,
Tight tolerance make sure the right installation.
Large quantity in stock ensured fast delivery.
Large capacity reduce materical prices.
Our service from RuiYue:
Inquiry response: Your inquiries will be replied in 24 hours.
Sample support: samples are available in 30 days.
Delivery time: Your shipment will be loaded in 15~25days.depends on quantity.
Payment term: T/T, L/C, D/P, D/A, Western Union (Sample only) We can supply the products according to customer's drawings, samples and performance requirement.
FAQ
Please follow the using specifications to expand the working lifetime and better
the heat conductivity of alumina ceramic tube.
A piece of instruction paper will be found in bag of alumina ceramic tube,If manual book is
required, please notice in advance.
If any questions please feel free to let us know anytime.