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Silicon Carbon Protective Tube

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MOQ : 400 Kilograms

Silicon Carbon Protective Tube Specification

Structure
Tube

Media
Industrial Gases, Liquids

Material
Silicon Carbide

Color
Gray

Max Operating Temperature
Up to 1650C

Length
Customized as per requirement (commonly 300mm to 1800mm)

Application
Protection of thermocouple sensor elements in high temperature furnaces

Usage
Thermocouple protection, high temperature measurement applications

Density
3.1 g/cm3

Features
Wear-resistant, anti-oxidation, thermal shock resistance, strong acid and alkali resistance

Thermal Conductivity
20-30 W/mK

Shape
Round

Corrosion Resistance
Excellent

Outer Diameter
Available in multiple sizes (commonly 25mm, 32mm, 40mm, 50mm)

Hardness
Mohs 9

Silicon Carbon Protective Tube Trade Information

Minimum Order Quantity
400 Kilograms

FOB Port
Foshan

Supply Ability
400 Kilograms Per Month

Delivery Time
3 Days

Sample Available
Yes

About Silicon Carbon Protective Tube

Specifications of Silicon Carbon Protective Tube

1 No tasteno toxicityno contamination 2 Resistant high temperature 3 ISO90012008 Approved

Silicon Carbide Thermocouple Protection Tube possess excellent properties of high thermal stability antioxidant capacity and good dimensional precision of products As silicon nitride is covalent compounds with high bond energy and can form protective film of oxide in the air so its good chemical stability can make silicon nirtide not be oxidized below 1200C and generate protective film to prevent further oxidation between 12001600C Silicon nitride can not be infiltrated and corroded by aluminium lead tin silver brass nickel and other molten metals but can be corroded by molten metal like magnesium nicochrome and stainless steel

Technical Data

Packaging Delivery in eight days

Item Unit Data

SiC 59

Si3N4 40

Si3N4 10

Service Temperature

1500

Bulk Density gcm 2426

Porosity 20

Compressive Strength Mpa 85

Coefficient of Thermal Expansion k1 106 45

Robust Protection for High-Temperature Sensing

Designed for thermocouple protection in industrial furnaces, Silicon Carbon Protective Tubes provide reliable performance under extreme conditions. Their high density and superior hardness guard sensors against mechanical stress and chemical attack, while the excellent thermal shock resistance maintains sensor longevity during rapid temperature fluctuations.

Tailored to Your Specifications

Available in a wide range of outer diameters and lengths, these tubes can be customized to fit specific installation needs. Whether for compact laboratory equipment or extensive industrial kilns, the adaptability of these silicon carbide tubes ensures optimal sensor positioning and performance for various measurement challenges.

FAQ's of Silicon Carbon Protective Tube:

Q: How do Silicon Carbon Protective Tubes enhance the durability of thermocouple sensors in high-temperature furnaces?

A: These tubes shield thermocouple sensors from direct exposure to harsh furnace atmospheres, mechanical impacts, and rapid temperature changes. The silicon carbide material offers superior strength and wear-resistance, minimizing sensor failure and extending operational life even at temperatures up to 1650C.

Q: What are the primary industrial applications for Silicon Carbon Protective Tubes?

A: They are primarily used for protecting temperature measurement sensors, especially thermocouples, in high-temperature industrial furnaces. Applications range from metal processing to chemical manufacturing, anywhere accurate temperature monitoring in corrosive or high-heat environments is required.

Q: When should I consider customizing the length or diameter of the protective tube?

A: Customization is beneficial when standard sizes do not match your specific furnace or sensor installation. Adjusting length and diameter ensures a precise fit, optimal sensor placement, and maximum protection in unique or challenging operating conditions.

Q: Where can these tubes be effectively utilized?

A: Silicon Carbon Protective Tubes are suitable for use in high-temperature settings-including industrial kilns, heat treatment chambers, and reactors-where aggressive gases, liquids, or slag may otherwise damage unprotected sensors.

Q: What is the process for using a Silicon Carbon Protective Tube with a thermocouple?

A: To use, simply insert the thermocouple sensor element into the tube, then install the tube into the furnace or process environment. The tube acts as a barrier, protecting the sensor while allowing precise temperature readings to be transmitted externally.

Q: What are the benefits of choosing silicon carbide as the material for these protective tubes?

A: Silicon carbide offers high thermal conductivity, a very hard surface (Mohs 9), and exceptional resistance to corrosion, oxidation, acids, and alkalis. These attributes make the tubes ideal for harsh industrial applications, ensuring both longevity and measurement accuracy.

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