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Sic Rb+C Seal Rings for Pump with ISO 9001
| Price | Negotiable |
|---|---|
| Min Order | 1 Piece |
| Availability | In Stock |
| Shipping From | Beijing, China |
| Popularity | 323 people viewed |
Model NO.:
Tailored-made
Material:
Silicon Carbide
Application:
Pumps
Type:
Rotary Seal
Performance:
Wear
Shape:
O-Ring
Standard:
Standard, Nonstandard
Transport Package:
Standard or as The Client's Require
Specification:
Silicon Carbide Ceramic
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.
· 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.
| Parameter | Unit | RB SiC | SSiC |
| Density | g/cm3 | 3.0 - 3.05 | 3.1 |
| Free Silicon Content | - | 12% | - |
| Crystal Size | µm | 8 - 20 | 5 - 7 |
| Hardness | Rockwell | HRA 90 | HRA 93 |
| Compressive Strength | MPa | 2700 | 3000 |
| Flexural Strength | MPa | 400 | 400 |
| Fracture Toughness | MPa | 4.3 | 4.5 |
| Elastic Modulus | GPa | 390 | 410 |
| Poisson's Ratio | - | 0.15 | 0.15 |
| Coefficient of Thermal Expansion | 1 x 10-6 / K | 4.3 | 4.3 |
| Parameter | Unit | SiC RB+C | SSiC+C |
| Density | g/cm3 | 2.7 | 2.85 |
| Carbon Content | Wt.% | 30 | 15 |
| Hardness | Rockwell | HRA 82 | HRA 85 |
| Compressive Strength | Mpa | 1500 | 2000 |
| psi | 217,500 | 290,000 | |
| Flexural Strength | Mpa | 200 | 300 |
| psi | 29,000 | 435,000 | |
| Elastic Modulus | Gpa | 250 | 320 |
| psi | 36.3x106 | 46.4x106 |
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