| Customization: | Available |
|---|---|
| Application: | Structure Ceramic, Industrial Ceramic |
| Material: | Alumina Ceramic |
|
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| Product Name | 95%/99%/99.5%/99.7% Alumina Ceramic Thermocouple Protection Tube |
| Material | 95%/99%/99.5%/99.7% Alumina |
| Size | Customized |
| Forming Method | Slip Casting |
| Payment | T/T |
| Transport | Air Transportation;Sea Transportation |
| Delivery Time | Stock Products:3-7 days after receiving payment. Production Products:35-45 days after receiving payment. |
Our tubes can work as high temperature tubes.
According to temperature difference we uaually provide 95% alumina tubes and 99.7% alumina tubes for this usage
MAX working temperature: 95% alumina tube, 1550C;
99.7% alumina tubes, 1700C.
Two types: two ends open and one end closed
Advantages
-Hard, wear-resistant
-Excellent dielectric properties from DC to GHz frequencies
-Resists strong acid and alkali attack at elevated
temperatures
-Excellent size and shape capability
-High strength and stiffness
-High thermal shock resistance
size specification
| OD | 5 | 6 | 8 | 10 | 11 | 12 | 14 | 15 | 16 | 17 | 19 | 20 | 22 | 24 | 25 | 26 | 28 | 30 |
| ID | 3 | 4 | 5 | 6 | 8 | 7 | 10 | 11 | 12 | 12 | 14 | 14 | 16 | 17 | 19 | 20 | 22 | 24 |
| Lenght | ≤2000mm | ≤3000mm | ||||||||||||||||
| Material | Alumina | Zirconia | Recrystallization Silicon carbide |
Silicon Nitride bonded Silicon Carbide |
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| Properties | Units | AL997 | AL995 | AL99 | AL95 | Zro2 | RSiC | NSiC |
| %Alumina | -- | 99.70% | 99.50% | 99.00% | 95% | -- | -- | -- |
| Color | -- | lvory | lvory | lvory | lvory&White | lvory White | black | gray |
| Permeability | -- | Gas-tight | Gas-tight | Gas-tight | Gas-tight | Gas-tight | -- | -- |
| Density | g/cm³ | 3.94 | 3.9 | 3.8 | 3.75 | 5.89 | 2.7 | 2.8 |
| Straightness | -- | 1‰ | 1‰ | 1‰ | 1‰ | 1‰ | 1‰ | 1‰ |
| Hardness | Mohs Scale | 9 | 9 | 9 | 8.8 | 8.5 | 9.5 | 9 |
| Water Absorption | -- | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | 0 | 0 | 0 |
| Flexural Strength (Typical 20ºC) |
Mpa | 375 | 370 | 340 | 304 | 1200 | 90 | 180 |
| Compressive Strength (Typical 20ºC) |
Mpa | 2300 | 2300 | 2210 | 1910 | 5700 | 600 | 650 |
| Coefficient of Thermal Expansion (25ºC to 800ºC) |
10-6/ºC | 7.6 | 7.6 | 7.6 | 7.6 | 10 | 4.7 | 5 |
| Dielectric Strength (5mm Thickness) |
AC-kv/mm | 10 | 10 | 10 | 10 | -- | -- | -- |
| Dielectric Loss 25ºC@1MHz |
-- | <0.0001 | <0.0001 | 0.0006 | 0.0004 | 0.001 | -- | -- |
| Dielectric Constant |
25ºC@1MHz | 9.8 | 9.7 | 9.5 | 9.2 | 29 | -- | -- |
| Volume Resistivity (20ºC) (300ºC) |
Ω·cm³ | >1014 2*1012 |
>1014 2*1012 |
>1014 4*1011 |
>1014 2*1011 |
>1013 5*108 |
-- | -- |
| Long-term operating temperature |
ºC | 1700 | 1650 | 1600 | 1400 | 2200 | 1650 | 1450 |
| Thermal Conductivity (25ºC) |
W/m·K | 35 | 35 | 34 | 20 | 3 | 23 | 15 |
Yixing City is the famous pottery capital in China. Most of Chinese ceramic industry is in Yixing. Jiangsu Fist Special Ceramic Co., Ltd is located in Yixing, established in 2016.
1. We support OEM and ODM;
2.Timely response to your inquiry, multiple choice recommendations based on your demand, quickly respond mails and provide solutions;
3.Provide sample and trial order are accepted for the quality evaluation;
4.Arrange production on time and control quality strictly;
5. Book the earliest vessel or plane to guarantee the delivery time;
6. Provide all the detailed news and pictures from order to delivery;
Offer relative export documents and original certificate if needed;
7. Warm and considerable after-sale service.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-30 days if the goods are not in stock or customeriziation, it is according to quantity.
Q: How about the payment terms?
A: T/T or L/C are okay. We can negotiate.
Q: How can you get quotation?
A: Please kindly send me your drawing with technical requirement and demand quantity.
If you don't have the drawing,please kindly courier samples to us.We will quote our best price as soon as possible.
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