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Silicon Carbide Seals

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MOQ : 50 Inches

Silicon Carbide Seals Specification

Color
Grey

Size
Standard and customized sizes available

Components
Silicon carbide ring, optional composite with secondary materials for improved properties

Volatile Matter (%)
< 0.5%

Diameter
10 mm - 300 mm (custom sizes available)

Natural Rubber
Yes

Ash %
< 0.2%

Material
Silicon carbide (SiC)

Weight
Varies by size and geometry

Temperature Resistance
-30C to +400C

Tolerance
+/-0.01 Millimeter (mm)

Tensile Strength
Up to 600 MPa

Flame Resistance Level
Non-flammable

Thickness
2-6 Millimeter (mm)

Width
Customizable as per requirement

Product Type
Silicon Carbide Seals

Resistance level
High chemical and thermal resistance

Nitrogen Content (%)
0%

Thermal Conductivity
80 - 120 W/mK

Surface Finish
Fine lapped, Ra 0.02 m

Density
3.15 Gram per cubic centimeter(g/cm3)

Style
Flat ring / Lapped surface

Hardness
HV 2200-2600

Part Type
Seal ring / Seal face

Length
As per product design / requirement

Water Absorption
< 0.02%

Feature
Excellent wear resistance, high hardness, corrosion resistance, and thermal stability

Usage & Applications
Ideal for mechanical seals in pumps, compressors, mixers, and other rotating equipment where superior chemical, wear, and corrosion resistance are required.

Porosity
Zero / Non-porous

Flexural Strength
350 - 600 MPa

Service Life
Long service life under harsh operating conditions

Edge Type
Chamfered or sharp edges available

Manufacturing Process
Sintered or reaction bonded

Application Media
Suitable with acids, alkalis, water, oil, gases

Shape
Round / customized

Electrical Conductivity
Semi-conductive

Pressure Resistance
Up to 10 MPa

Compatibility
Compatible with carbon, tungsten carbide, and ceramic mating faces

Silicon Carbide Seals Trade Information

Minimum Order Quantity
50 Inches

Supply Ability
100 Inches Per Day

Delivery Time
7 Days

About Silicon Carbide Seals

We are identified as one of the leading organizations, engaged in manufacturing and supplying Silicon Carbide Seals. These seals are developed to withstand high temperature, high pressure & highly corrosive chemical attack. The seals are mainly used in fertilizers, nuclear plants, petroleum products, high pressure pumps and refineries. The compact designing of these seals allow easy installation and maintenance. Silicon Carbide Seals have corrosion and water resistant capabilities which tends to enhance its overall working life span. They prevent leakage and contamination of environment. These are highly durable and have high strength to work under extreme temperature and pressure conditions.

Superior Chemical and Wear Resistance

Silicon carbide seals are distinguished by their resistance to acids, alkalis, and corrosive substances. Their robust material structure provides outstanding protection against chemical attack and surface wear, even under continuous exposure to aggressive fluids and demanding cycles. This makes them ideal for industrial processes that require long-term sealing reliability.

Customizable Design and Precise Engineering

Available in a variety of standard and customizable sizes, our silicon carbide seals conform to rigorous tolerance standards of +/-0.01 mm. With options for round and tailored shapes, chamfered or sharp edges, and fine lapped surfaces (Ra 0.02 m), these seals can be adapted to your specific machinery and operational requirements for optimal effectiveness.

Reliable Performance in Harsh Environments

Silicon carbide seals operate efficiently across a wide thermal range (-30C to +400C) and withstand pressures up to 10 MPa. Their superior mechanical properties, such as high tensile strength and hardness (HV 2200-2600), guarantee durability where mechanical and fluid stresses are high. This translates to reduced maintenance needs and extended service life, even in critical applications.

FAQ's of Silicon Carbide Seals:

Q: How are silicon carbide seals manufactured for optimal durability?

A: Silicon carbide seals are produced using advanced sintered or reaction bonding methods, resulting in a dense, non-porous structure with excellent mechanical strength and wear resistance. This process ensures that the seals maintain their integrity under high stress and provide a fine lapped surface finish for superior sealing performance.

Q: What advantages do silicon carbide seals provide for harsh chemical applications?

A: These seals offer exceptional chemical stability against acids, alkalis, oils, water, and gases. Their high corrosion resistance, combined with thermal stability and non-porous design, ensures reliable performance and minimal degradation, even during prolonged exposure to aggressive media.

Q: When should I choose silicon carbide seals over other materials?

A: Silicon carbide seals are best chosen when your application demands high wear, chemical, and thermal resistance, such as in pumps or compressors handling corrosive fluids. Their compatibility with carbon, tungsten carbide, and ceramic mating faces further enhances sealing efficiency in these environments.

Q: Where can silicon carbide seals be used most effectively?

A: These seals are ideal for use in mechanical seals in pumps, mixers, and compressors, particularly in chemical, petrochemical, water treatment, and industrial fluid handling systems, where superior sealing and resistance to harsh conditions are essential.

Q: What is the process for customizing silicon carbide seal dimensions?

A: Simply specify your required diameters (10-300 mm), thicknesses (2-6 mm), widths, and desired edge or surface finish. Our manufacturing adapts to your design needs while adhering to a tight tolerance of +/-0.01 mm to ensure proper integration with your equipment.

Q: How does silicon carbide enhance the service life of sealing systems?

A: With a flexural strength up to 600 MPa, high hardness, low water absorption (<0.02%), and thermal conductivity, silicon carbide seals resist cracking, chemical attack, and wear, significantly prolonging service intervals and reducing equipment downtime.

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