Jiangsu, China
Business Type:
Manufacturer/Factory, Trading Company
Registered Capital:
600000 RMB
Plant Area:
>2000 square meters
Management System Certification:
ISO 9001
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available

Protection Tube, Silicon Nitride Tube, Silicon Nitride Protection Tube manufacturer / supplier in China, offering High Purity Si3n4 Silicon Nitride Protection Tube, Transparent Silica Glass Tubing Heater, Transparent Fused Square Shape Quartz Glass Tubing and so on.

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High Purity Si3n4 Silicon Nitride Protection Tube

Get Latest Price
Min. Order / Reference FOB Price
10 Pieces US $50-100/ Piece
Port: Qingdao, China
Production Capacity: 100000/Month
Payment Terms: L/C, T/T, Western Union, Money Gram
Refractoriness (℃): 1580< Refractoriness< 1770
Feature: Long Time Materials
Type: Heat-Resistant Material
Shape: Pipe
Material: Silicon Nitride
Name: High Purity Si3n4 Silicon Nitride Protection Tube

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Basic Info

Model NO.: HBF
Color: Black
Size: Customised
Usage: Refractory
Surface Treatment: Polishing
Max. Working Temperature: 1550°c
Density: 3.26g/cm3
Machining Method: Grinding
Certificate: RoHS
OEM: Accept
Trademark: HB
Transport Package: Standard Export Cartons/Wooden Box/Tray
Specification: Silicon Nitride
Origin: Jiangsu, China

Product Description

High Purity Si3n4 Silicon Nitride Protection Tube

Product Description
Key Properties:
A  High Strength over a wide temperature range
B  High Fracture toughness
C  High Hardness
D  Outstanding Wear Resistance ,both  both impingement and frictional modes
E  Good Thermal Shock Resistance
F  Good Chemical Resistance
G  Lightweight
H  Strong
I  Hard
J  Tough
K  Low Coefficient of Friction
L  Contact Fatigue Resistant
Typical Silicon Nitride Use
A  Rotating Bearing Balls and Rollers
B  Cutting Tools
C  Engine Moving Parts---Valves,Turbocharger Rotors
D  Enginer Wear Parts---Cam Followers,Tappet Shims
E   Turbine Blades,Vanes,Buckets
F   Metal Tube Forming Rolls and Dies
G  Precision Shafts and Axles in High Wear Environments
H  Weld Positioners
Material Characteristics   
Gas Permeability   
Water Absorption      %0%0%0%0%0.038%
Density  g/cm33.73.8563.22.7
Physical Characteristics   
Hardness   Kg/mm211001400110016001175
Modulus of Elasticity   Gpa30035020030065
Flexural Strength  Mpa3003401150600108
Compressive Strength  Mpa2100220025002500488
Fracture Toughness  Mpam1/23.54126
Thermodynamic Property   
Max Use Temperature   °C1500165015001800800
Thermal Conductiviey  W/(m.k)2527.52.5201.68
Thermal Expansion Coefficient  10-6/°C7.58103.28.6
Thermal Shock Resistance   △T°C200200250600200
Specific Heat  J/kg.K860860500500
Electrical Specification    
Dielectric Strength   KV/mm12105
Dielectric Constant  εr9.59.11267
Volume Resistivity  Ω≥1014≥1014≥1010≥1014≥1016
Dielectric Loss Angle

High Purity Si3n4 Silicon Nitride Protection Tube

Packaging & Shipping
Packaged by polybay and bubble bag in the stardard export carton,
Every package can be offered with English installation instruction. 

High Purity Si3n4 Silicon Nitride Protection Tube

Company Information
Baibo is a modern enterprise management company, who devote themselves to the service of product research and development, construction and maintenance.
Our company has a long history. We own the advanced equipment, a young, energetic, proficient and experienced team of professionals which with leading technology strength, excellent operational management and high-quality services what made us be recognized by customers of the chemical, petroleum, electric power, metallurgy, building material, aerospace, machinery and other industries.

High Purity Si3n4 Silicon Nitride Protection Tube

 1.What is your payment term?
 We mainly accept T/T, West Union, Credit card and L/C.
 Paypal will be available in the near future.
2.Where is your main market?
We have been exported to USA, Korea, UK, France, Russia, Germany, India, Spain, Brazil etc, so far, there is about 94 countries we have been exported, we also get good reputation from our customers.
3.For alumina ceramic, what about the forming method?
 Drying pressing              
 Isostatic pressing
 Hot pressing casting
4.What about the package?
We pack with plastic bubble paper, carton box, then safe wooden box outside, we can control the breakage less than 1%.
5.Do you support OEM?
Sure! We offer OEM for many customers all over the world.

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