- Place of Origin:CN;SHN
- Type:Ceramic Tubes
- Application:Industrial Ceramic
- Material:Alumina Ceramic
- Model Number:Customer's Requirements
- Brand Name:DKJL
High Temperature Thermocouple Protection 99% Alumina Ceramic Tube
Ceramic tube 99 is hi-tech advanced ceramic products made with patented cool isostatic pressing technique and over 50 years of professional manufacturing experience.
Ceramic tubes are widely used in roller kilns for firing wall tile, floor tile, table ware, sitall tile, magnetic materials and electronic ceramic, etc.
Characteristics | Items | Types |
VS-2000 | S-2000 | S-4000 | S-6000 |
Physical properties | Bulk densityg/cm3 | ≥2.4 | ≥2.4 | ≥2.6 | ≥2.8 |
Apparent porosity% | 20-23 | 20-25 | 15-20 | 10-15 |
Water absorption% | 8-10 | 8-12 | 7-10 | 4-7 |
Bending strength 25/1350,Mpa | >55/35 | >50/30 | >60/50 | >70/60 |
Thermal expansion coefficient *10(-6)/ (25~1000) | 5.8-6.0 | 5.8-6.2 | 5.8-6.2 | 5.8-6.0 |
Thermal shock resistance1300~25 | Good | Very good | Very good | Good |
Working Temp | ≤1200 | ≤1230 | ≤1300 | ≤1350 |
Composition | Al2O3(5) | 74-76 | 74-76 | 72-74 | 78-80 |
SiO2(%) | 20-22 | 20-22 | 19-21 | 14-16 |
Fe2O3(%) | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.2 |
Reference loading | Φ50*3800mm | 5.0 1200 | 4.5 1230 | 6.0 1300 | 7.5 1350 |
Pictures of ceramic tube
Packing of ceramic tube : Standard export wooden case
Shipping of ceramic tube : By vessel or plane from any Chinese port

1.Timely response,
Timely response to your inquiry, multiple choice recommendations based on your demand,quickly respond mails and provide solutions.
2.Sample evaluation
Ceramic tube 99 sample and trial order are accepted for the quality evaluation
3.Strict quality control
Arrange production on time and control quality strictly.
4.Shorter delivery time.
Book the earliest vessel or plane to guarantee the delivery time
5.Professional Services
Provide all the detailed news and pictures from order to delivery;
Offer relative export documents and original certificate if needed;
Warm and considerable after-sale service
DKJL refractories exporting company is one of the most professional suppliers of refractories in China.The main products are refractory bricks,thermal insulation material,heating elements and industrial ceramics.They are available in various sizes and shapes.Our products enjoy a good reputation for their excellent quality and service in domestic and international markets.

FAQ
Q1.How can I get your prompt quotation?
A:We can give our offer quickly if you kindly send the inquiry with following factors:dimension(length*ID*OD),density,application and quantity.
Q2:What is the MOQ(minimum order quantity )?
100 pipes.
3.What is the HS code?
The HS code is 69060000
4.How is about the sample?
We can offer a free sample but the freight charge arised by the sample is assumed by the buyers.
5. How can I contact you?

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