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

Sic Bonded Si3n4, Silicon Carbide Beam, Silicon Carbide Roller manufacturer / supplier in China, offering Si3n4 Bonded Sic Protection Tube, Compatible Zro2 Dental Zirconia Ceramic Blocks, Silicon Nitride Ceramic Substrate 101*101*0.3/0.5/1mm and so on.

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Si3n4 Bonded Sic Protection Tube

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Min. Order: 10 Pieces
Port: Shanghai, China
Production Capacity: 1000000PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram
Refractoriness (℃): 1580< Refractoriness< 1770
Feature: Long Time Materials, Instant Materials
Type: Heat-Resistant Material
Shape: Pipe
Material: Silicon Nitride Bonded Silicon Carbide
Temperature of Application: 1350c

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Basic Info

Model NO.: HB
Open Porosity: <0.1
Acid-Proof Alkaline: Good
Density: 3.2g/cm3
Trademark: Highborn
Transport Package: Wooden Box or Carton
Specification: ROHS
Origin: Jiangsu/China
HS Code: 6906000000

Product Description

SiC bonded Si3N4 protection tube
Product Description 
Silicon nitride (Si3N4) bonded silicon carbide (SiC) material is produced by adding industrial silicon paste into artificial aggregate. Under high temperature, Si and N2 reacts with the formula of 2N2+3Si=Si3N4, Si3N4 bonded Sic material is formed by bonding SiC particles tightly. Therefore, Si3N4 bonded SiC material is an excellent refractory with the original properties of SiC. The material has quite high strength even under the temperature of 1700.C has properties of creep deformation resistance and anti-chemical erosion, and has excellent thermal conductivity and wear-resistance. Comparing with other several bonded SiC materials, Si3N4 bonded SiC material has attracted more and more attention. 

Product Feature 
Si3N4 Bonded SiC material is mainly used in the production of aluminum, copper and zinc , as the lining material of the molten pool and electrolytic bath (reduction bath). The side lining of the reduction bath is eroding by aluminum and cryolite (used as additive), but Si3N4 bonded SiC material could not be eroded by aluminum, and do not have chemical reaction with cryolite. So this kind of material is ideal for the lining bricks of the electrolytic bath. In particular this kind of bricks have the excellent properties of high strength, abrasive resistance and nonconductive, so the copolymer (Al2O3 and Cryolite). The copolymer likes protective film to protect the working lining and improve the service life of electrolytic bath. At the same time, the Si3N4 bonded SiC bricks have lower thermal conductivity than silicon bricks, so they can reduce the thickness of the side wall or input higher power to expanse the loading capacity of the electrolytic bath, and to increase the output. Because of the high resistivity of the material, it can reduce the power consumption of the side -wall about 15%, saving energy and protecting environment
Si3n4 Bonded Sic Protection Tube
Si3n4 Bonded Sic Protection Tube









Porosity %≤


Bulk Density(g/cm3)≥


Normal Temperature Compressive Strength Mpa ≥


Normal Temperature Bending   Strength   Mpa≥


Thermal Conductivity(W/M.K)≥


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