- Overview
- Product Description
- Product Parameters
- Our Advantages
- Packaging & Shipping
- Detailed Photos
Basic Info.
Model NO.
16, 22, 28mm
Output Signal Type
Thermocouple Protection Tube
Production Process
Ceramics
Material
Silicon Nitride, Ceramics
Measuring Medium
Temperature
Certification
CE
Customized
Customized
Length
200-1200mm
Melting Point
1700c
Hardness
80-90hra
Usage
Protection Thermometer
Transport Package
Wooden Case
Specification
16, 22, 28mm
Trademark
no
Origin
China
HS Code
9025900090
Production Capacity
10, 0000 Unit
Packaging & Delivery
Package Size
40.00cm * 10.00cm * 15.00cm
Package Gross Weight
2.000kg
Product Description
Sialon Syalon Si3n4 Ceramic Thermocouple Tube Thermocouple Sheath
1. Introduction
Silicon nitride thermocouple protection tube usually made by CIP (cold isostatic pressing) / RB(reaction bonded) , both are have excellent abrasion resistance and corrosion resistance , and can be used under 1400°C .
2. Physical and chemical index
| Types | GPSN | RSSN |
| Density | >3.2g/cm3 | >2.4g/cm3 |
| Si3N4 content | >92% | >92% |
| Flexural strength | >600Mpa | >200Mpa |
| Compressive strength | >1500Mpa | |
| Thermal conductivity(W/mk) | >22 | >14 |
| Porosity | 0 | <15% |
| Thermal expansion coeff.(RT-1000ºC) | 3.2 | 2.8 |
| Max temperature In air | 1400ºC | 1400ºC |
| Hardness(HRA) | >92 | >85 |
3. Features
1, Moulding: Cold isostatic pressing(CIP)
2, Sintering: GPSN/RSSN
3, High strength and good compactness
4, Low thermal expansion coefficient
5, Excellent thermal shock resistance
6, No wetting by molten aluminum and non-ferrous metal
7, Good corrosion resistance
4. Recommended Sizes
| OD(mm) | ID(mm) | Length(mm) |
| 16 | 8 | 300-750 |
| 22 | 12 | 300-900 |
| 28 | 16 | 300-1600 |
| 30 | 18 | 300-1600 |
| 45 | 25 | 300-1600 |
We can also produce other sizes according to your drawing.
5. Application:
Widly used in aluminium alloy casting ,non-ferrousmetal metallurgy ect.
5. Application:
Widly used in aluminium alloy casting ,non-ferrousmetal metallurgy ect.
6. Packaging:
Polyfoam filled, plywood box outside and according to your requirements.
7.Other related Thermocouple protection tubes.
Other thermocouple tubes.1. Alumina Al2I3 tubes
2. Cast Iron tubes
