Beijing, China
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Peak season lead time: one month
Off season lead time: one month
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Seal Rings, Seal Faces, Bushings manufacturer / supplier in China, offering Graphite Seal Rings for Machinery with ISO 9001, Sic Seal Rings for Burgmann, Sic Seal Rings for John Crane and so on.

Gold Member Since 2003
Audited Supplier

Graphite Seal Rings for Machinery with ISO 9001

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Min. Order / Reference FOB Price
1 Piece US $0.5-10/ Piece
Port: Beijing, China
Production Capacity: 5, 000, 000/Year
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram
Material: Graphite Carbon
Application: Pumps
Type: Rotary Seal
Performance: Corrosion
Shape: O-Ring
Standard: Nonstandard

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Basic Info

Model NO.: Graphite carbon
Thickness: 50
Density: 1.68-2.5g/cm3
Size: Od From 10mm-400mm
Origional: China
Temperature: High Temperature
Corrosion: Prefect
Compressive Strength: Standard
Trademark: Junty Or as the clients require
Transport Package: Standard or as The Client`S Require
Specification: OD from 10mm-400mm
Origin: China
HS Code: 6914900000

Product Description

    Silicon Carbide (SiC) is one of the most popular high performance tribo-materials, which has been commercially available for more than twenty-five years. Its features include:

· Excellent abrasion and wear resistance
· Excellent corrosion resistance
· Low coefficient of friction
· Low coefficient of thermal expansion
· High thermal conductivity
· Hardness greater than Tungsten Carbide

Different grades of Silicon Carbide are available as following:
· Reaction Bonded Silicon Carbide (RB SiC) - a very economical material which gives excellent wear characteristics, as well as good chemical resistance.
· Sintered Silicon Carbide (SSiC) - the absence of free silicon makes it most resistant to chemically-aggressive fluids, and ideal for high temperature applications.
· Graphite-Loaded Silicon Carbide - this is a composite of silicon carbide and free graphite. Graphite is added to RB SiC (RB SiC + C) or SSiC (SSiC + C), to improve tribological behavior by enhanced lubricity.

ParameterUnitRB SiCSSiC
Densityg/cm33.0 - 3.053.1
Free Silicon Content-12%-
Crystal Sizeμm8 - 205 - 7
HardnessRockwellHRA 90HRA 93
Compressive StrengthMPa27003000
Flexural StrengthMPa400400
Fracture ToughnessMPa4.34.5
Elastic ModulusGPa390410
Poisson's Ratio-0.150.15
Coefficient of Thermal Expansion1 x 10-6 / K4.34.3

Graphite Seal Rings for Machinery with ISO 9001

Graphite Seal Rings for Machinery with ISO 9001

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