
- Verified manufacturer
- Pre-shipment inspection
- DDP door-to-door
Sourced by GoodsFromChina
- Free quote, compared across factories
- Samples consolidated & checked
- AQL inspection before balance payment
- Sea, air, express & DDP shipping
Syalons Si3n4 Thermocouple Protection Tube Ceramic Tube Ceramic Pipe
Sensor made of silicon nitride and ceramics — Usage Protection Thermometer, Certification CE. MOQ 2 pieces, US$20.00 – 350.00/piece.
- Material
- Silicon Nitride, Ceramics
- Application
- Widly used in aluminum alloy casting ,non-ferrousmetal metallurgy ect.
- Usage
- Protection Thermometer
- Certification
- CE
- Installation Type
- Duct Type
- Sensing Type
- Thermocouple
At a glance
- Product
- Syalons Si3n4 Thermocouple Protection Tube Ceramic Tube Ceramic Pipe
- Category
- Sensor
- Price
- US$20.00 – 350.00 / piece
- Minimum order
- 2 pieces
- Origin
- China
- Customization
- Available
- Certification
- CE
- Packaging
- Wooden Case
- HS code
- 9025900090
Last updated
Specifications
| Customization | Available |
|---|---|
| Installation Type | Duct Type |
| Sensing Type | Thermocouple |
| Model NO. | Si3n4 Tube |
| Contact | Contact |
| 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 |
| Origin | China |
| HS Code | 9025900090 |
| Production Capacity | 10, 0000 Unit |
| Package Size | 40.00cm * 10.00cm * 15.00cm |
| Package Gross Weight | 2.000kg |
| Application | Widly used in aluminum alloy casting ,non-ferrousmetal metallurgy ect. |
| Packaging | Polyfoam filled, plywood box outside and according to your requirements. |
| 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 |
| OD(mm) | ID(mm) | Length(mm) |
|---|---|---|
| 16 | 8 | 300-750 |
| 22 | 12 | 300-900 |
| 28 | 16 | 300-1200 |
| 30 | 18 | 300-1000 |
| 45 | 25 | 300-1000 |
Product details
Syalons Si3n4 Thermocouple Protection Tube Ceramic Tube Ceramic Pipe is a sensor product manufactured in China and available to buyers worldwide through the GoodsFromChina sourcing service. Typical uses include Protection Thermometer.
Key features
- Material: Silicon Nitride, Ceramics
- Application: Widly used in aluminum alloy casting ,non-ferrousmetal metallurgy ect.
- Usage: Protection Thermometer
- Certification: CE
- Installation Type: Duct Type
- Sensing Type: Thermocouple
- Contact: Contact
- Production Process: Ceramics
Ordering & packaging
Minimum order quantity is 2 pieces. Standard export packaging: Wooden Case. HS code: 9025900090. Every order can include a pre-shipment quality inspection and consolidated shipping by sea, air or express, including DDP delivery.
How we source this product for you
- 1
Send your inquiry
Choose options, quantity and requirements. No payment needed.
- 2
Get a factory quote
We confirm price, MOQ and lead time — and compare alternatives.
- 3
Production & inspection
We follow up production and inspect goods before shipment.
- 4
Delivered to your door
Sea, air or express with customs clearance and DDP options.
Frequently asked questions
What is the minimum order quantity for Syalons Si3n4 Thermocouple Protection Tube Ceramic Tube?
The MOQ is 2 pieces. Smaller trial orders can sometimes be negotiated — tell us your quantity in the inquiry.
How much does Syalons Si3n4 Thermocouple Protection Tube Ceramic Tube cost?
The listed factory price is US$20.00 – 350.00 per piece, depending on quantity. Your final quote includes our service fee and shipping options.
Can it be customized with my logo or specifications?
Yes. The manufacturer offers customization — logo printing, packaging, colors or modified specifications. Describe your requirements in the inquiry form.
How long does production and shipping take?
Typical production time is 15–45 days depending on quantity. Shipping to the US takes about 5–8 days by express, 8–12 days by air and 25–40 days by sea, with DDP door-to-door delivery available.
How do you check product quality?
We verify the manufacturer before ordering and can perform a pre-shipment inspection (AQL sampling) with a photo report before you pay the balance.





















