Overview of Silicon Nitride Ceramics

Silicon Nitride Ceramics are high-performance materials known for their excellent mechanical properties, including strength, toughness, and resistance to wear, corrosion, and thermal shock, making them ideal for demanding applications in various industries.

Features of Silicon Nitride Ceramics

Exceptional hardness and wear resistance.

Superior mechanical strength and fracture toughness.

Excellent thermal stability and resistance to thermal shock.

High corrosion resistance in aggressive environments.

Low density contributing to lightweight components.

(For Insulation Si3N4 Silicon Nitride Ceramic Tube with Polished Surface)

Specifications of For Insulation Si3N4 Silicon Nitride Ceramic Tube with Polished Surface

The For Insulation Si3N4 Silicon Nitride Ceramic Tube with Polished Surface is designed for high-performance applications requiring thermal stability, mechanical strength, and electrical insulation. The tube is made of silicon nitride (Si3N4), a advanced ceramic material combining silicon and nitrogen. This composition ensures exceptional resistance to extreme temperatures, wear, and chemical corrosion. The polished surface minimizes friction, improves durability, and enhances performance in precision environments.

The ceramic tube features customizable dimensions. Standard outer diameters range from 5mm to 100mm. Inner diameters vary between 2mm and 80mm. Lengths are adjustable up to 500mm. The material has a hardness of approximately Hv 1500, ensuring resistance to abrasion. Its density is 3.2 g/cm³, contributing to lightweight yet robust construction. The thermal conductivity is 20-30 W/m·K, enabling efficient heat management. The tube operates in temperatures up to 1200°C in oxidizing atmospheres. In inert environments, it withstands temperatures up to 1800°C.

The polished surface finish reduces surface roughness to below Ra 0.4μm. This precision minimizes particle buildup and ensures smooth operation in mechanical systems. The tube’s high dielectric strength makes it suitable for electrical insulation in high-voltage equipment. It resists thermal shock, maintaining structural integrity during rapid temperature changes.

Applications include industrial furnaces, semiconductor processing equipment, aerospace components, and energy systems. The tube is ideal for thermocouple protection, molten metal handling, and high-temperature sensor housings. Its chemical inertness allows use in corrosive environments, including exposure to acids, alkalis, and molten salts.

The product undergoes strict quality control. Each batch is tested for dimensional accuracy, surface finish, and mechanical properties. Custom specifications are available for specialized requirements. The silicon nitride ceramic tube offers long service life, reduced maintenance costs, and reliable performance in demanding conditions.

(For Insulation Si3N4 Silicon Nitride Ceramic Tube with Polished Surface)

Applications of For Insulation Si3N4 Silicon Nitride Ceramic Tube with Polished Surface

Silicon nitride (Si3N4) ceramic tubes with polished surfaces serve critical roles across industries. These components excel in high-temperature settings. They resist thermal shock. Furnaces, kilns, and reactors use them. They maintain structural stability under extreme heat. This prevents energy loss. Semiconductor manufacturing relies on them. They handle rapid temperature shifts during processes like CVD. Their low thermal expansion ensures precision.

Electrical insulation is another key function. Silicon nitride does not conduct electricity. It isolates components in high-voltage systems. Power generation equipment uses these tubes. They prevent current leakage. Electronics benefit from their dielectric properties. Devices operate safely near sensitive circuits.

Chemical resistance expands their utility. Harsh acids, alkalis, and solvents cause minimal damage. Chemical processing plants deploy them. Lab equipment incorporates these tubes. They endure corrosive substances. This reduces maintenance needs. Long-term reliability is ensured.

Mechanical strength supports demanding applications. Silicon nitride tubes withstand heavy loads. Their polished surfaces minimize friction. Moving parts experience less wear. Bearings and rollers use them. Industrial machinery lasts longer. Performance remains consistent under stress.

The polished surface finish matters. Smoother tubes reduce contamination risks. Cleanrooms in semiconductor or optics industries prefer them. Particles adhere less. Processes stay efficient. Surface flaws are eliminated. This prevents cracks or weaknesses.

Medical devices use these tubes. Imaging systems and surgical tools require sterile conditions. The material resists oxidation. It tolerates repeated sterilization. Biocompatibility makes it safe for medical environments.

Aerospace and automotive sectors apply silicon nitride tubes. Sensors and engine parts face extreme conditions. The ceramic handles vibration and temperature swings. Fuel efficiency improves. Emissions testing equipment uses them. Accuracy remains high.

These tubes combine heat resistance, electrical insulation, and durability. Industries achieve better performance. Costs drop due to longer lifespans. Custom sizes and finishes meet specific needs. Silicon nitride ceramic tubes address modern engineering challenges effectively.

Company Introduction

Advanced Ceramics founded on October 17, 2014, is a high-tech enterprise committed to the research and development, production, processing, sales and technical services of ceramic relative materials and products.. Since its establishment in 2014, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Silicon carbide ceramic products, Boron Carbide Ceramic Products, Boron Nitride Ceramic Products, Silicon Carbide Ceramic Products, Silicon Nitride Ceramic Products, Zirconium Dioxide Ceramic Products, Quartz Products, etc. Please feel free to contact us.(nanotrun@yahoo.com)

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of For Insulation Si3N4 Silicon Nitride Ceramic Tube with Polished Surface

What is silicon nitride ceramic tube used for? Silicon nitride ceramic tubes handle extreme heat and wear. They work in industrial furnaces, semiconductor equipment, and high-temperature sensors. These tubes protect thermocouples or heating elements in harsh conditions. They also suit labs and factories dealing with molten metals or corrosive chemicals.

What temperature can silicon nitride ceramic tubes withstand? These tubes operate safely up to 1200°C in air. They resist sudden temperature changes without cracking. This makes them reliable for processes involving rapid heating or cooling. Performance stays stable in both oxidizing and reducing atmospheres.

Why does the tube have a polished surface? A polished surface reduces friction when materials pass through the tube. It prevents particles from sticking to the inner walls. This improves efficiency in applications like powder processing or fluid transfer. The smooth finish also resists corrosion and extends the tube’s lifespan.

How should silicon nitride tubes be handled during installation? Handle tubes carefully to avoid chipping. Use clean gloves to prevent oil or dirt buildup. Align the tube properly in the mounting system. Avoid forcing it into place. Check for cracks before use. Store tubes in dry conditions to prevent moisture absorption.

Can these tubes be customized for specific needs? Tubes come in standard sizes but can be modified. Custom lengths, diameters, or wall thicknesses are available. Surface finish levels are adjustable based on application needs. Special coatings or machining for unique fittings are possible. Contact suppliers with technical requirements for tailored solutions.

(For Insulation Si3N4 Silicon Nitride Ceramic Tube with Polished Surface)