High Pure Si3n4 Silicon Nitride Protection Tube for Thermocouple

• Application: Refractory, Structure Ceramic, Industrial Ceramic
• Material: Si3n4 Silicon Nitride
• Type: Ceramic Tubes
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: YN-549
• Color: Black Shining
• Shape: Square,Tubular,Oval,Rectangular,Half
• Use: Thermocouples,Furnace,Temperature Measurement
• Temperature: 1000c,1200c,1400c
• Type of Ends: Both Ends Open Obe or Beo,One End Closed Coe
• Machining: Drill Hole,Notch or Slot,Flange,Collar,Thread,Spir
• Synonym: Si3n4
• Transport Package: Plywood Case
• Specification: OD 16-50
• Trademark: Yunnuo
• Origin: China
• HS Code: 8547100000
• Production Capacity: 5000000 PCS Per Year

Product Description

Silicon nitride ceramic items:

          With high strength,high temperature resistance,corrosion resistance, thermal shock resistance, oxidation resistance, wear resistance and other excellent properties. It has a wide range of applications in aerospace, automotive engine, machinery, chemical, petroleum and other fields. The main products include silicon nitride ceramic bearings, cutters, tools, pump plungers, seals, ball valves, pump bodies, vaporizers, filters, rolls, transfer rollers, thermowells, metal heat treatment supports, crucibles, aluminum liquid ducts and special refractory materials.

Material data:

Gas press sintered silicon nitride
Density:> 3.2g / cm3
Si3N4 content:> 92%
Flexural strength:> 600Mpa
Compressive strength:> 1500Mpa
Thermal conductivity (W/mk): 16-22
Porosity: 0
Coefficient of thermal expansion (RT-1000C): 3.2
Maximum working temperature (in air): 1400C
Hardness (HRA):> 92

Features:
1.Good compactness and high strength
2.Excellent thermal conductivity and thermal shock resistance
3.High density and uniformity, high dimensional accuracy and resistance to metal melting
4.High temperature resistance and low thermal expansion coefficient

Silicon nitride thermocouple protection tube is easy to install and use. It can be used for special temperature measurement occasions of metal solution with temperature of 0-1400C.

Size:

OD mm	ID mm	Length mm
16	8	300-600
22	12	300-800
28	16	300-900
30	18	300-900
45	25	300-900