Ceramic Sheath
Description
Technical Parameters
Products Description
The ceramic sheath uses high-purity alumina and mullite as raw materials. After sufficient sintering in the kiln, AL2O and ZrO undergo phase transformation, forming a dense structure. We pursue dimensional accuracy while ensuring excellent performance (Ceramic sheaths collection standards: JC/T508-1994, JC/T509-1994).
Mainly used to isolate temperature measuring components from the outside world, protecting them from corrosion, oxidation, and damage in air, hydrogen, nitrogen, inert gases, carbon monoxide, or vacuum environments. Ceramic insulators are used to separate the different poles of temperature measurement components to prevent electrode contact and short circuits, ensuring accurate measurement results.
product data
Dimensions not included in the table can be customized upon request. 2 shapes of tubes are available to one same size: both ends open and one end closed tube.
| ODxID (mm) |
LENGTH (mm) |
ODxID (mm) |
LENGTH (mm) |
| 6x4 | <1500 | 18x14 | <2500 |
| 8x5 | <2500 | 20x15 | |
| 10x7 | 22x16 | ||
| 12x8 | 24x18 | ||
| 15x11 | 25x19 | ||
| 16x12 | 28x22 | ||
| 17x13 | 30x24 |
advantage
1. The products are available in 92% alumina, 95% alumina, 99% alumina, and mullite to suit different working conditions. Users can choose materials based on actual working temperature, corrosion level, and service life requirements. The maximum applicable temperature can reach 1800 ° C, and it is recommended to operate continuously and stably at 1700 ° C.
2. After sufficient high-temperature sintering, the phase transition of alumina forms a dense structure. It has strong resistance to high-temperature softening and bending, especially when installed vertically, which effectively extends its service life and avoids material wear caused by high-temperature deformation.
3. Ceramic sheaths can resist corrosion and oxidation in air, steam, hydrogen, carbon monoxide, inert gases, and vacuum environments. It does not react with most metal vapors, chemical media, or dust, thus maintaining stable performance over long-term use and not contaminating protected components.
4. We strictly control the outer diameter, inner diameter, length, and wall thickness. The product has good straightness and uniform wall thickness, making it easy to install and match with various sensors and thermocouples.
Instructions and precautions for use
1. Ceramic sheath must be completely dried before use to avoid cracking caused by rapid evaporation of moisture at high temperatures.
2. Uniform heating is necessary to prevent thermal shock during the heating and cooling process, ensuring uniform temperature changes. Avoid contact between high-temperature products and objects with large temperature differences to prevent cracks caused by thermal shock.
3. Although the maximum applicable temperature for reasonable temperature control is 1800 ° C, it is recommended to operate continuously at 1700 ° C to extend its lifespan.
4. Vertical installation and placement are preferred to reduce bending stress and prevent deformation or fracture at high temperatures.
5. Different materials are matched to adapt to different environments. We suggest that users provide on-site working conditions so that we can recommend the most suitable materials.
Why choose us
1. Stable quality, no complaint records
For many years, we have been focusing on ceramic protective components and have a complete quality control system. The product has maintained a zero quality complaint record during its long-term supply to domestic and foreign customers.
2. Multiple material grades and complete certification
We offer options of 92%, 95%, and 99% alumina and mullite, and have passed ISO quality system, SGS, and BV certifications to meet international market access requirements.
3. Powerful customization capability
We can customize the size, length, and structure according to the customer's equipment parameters and installation space.
4. Compliant with industry standards
The product design and production strictly follow the JC/T508-1994 and JC/T509-1994 standards, with stable performance and high compatibility with mainstream equipment.
FAQ
Q1: What are the main products?
A1: We are a professional manufacturer and supplier of alumina based products, including alumina ceramic series products such as tiles, ceramic balls, and ceramic tubes; Refractory raw materials, such as flake alumina, white fused alumina, and brown fused alumina.
Q2: Can you provide free samples?
A2: Yes, we can provide it. Please send us your specific requirements and we will choose suitable product samples.
Q3: How to ensure product quality?
A3: Before shipment, we will take photos, samples, and send them to the laboratory for physical testing. Send to a third-party organization for chemical testing to ensure product quality.
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