Rubber Gasket Manufacturer
At Steel Icon Stainless Pvt. Ltd., we are a leading manufacturer of Ring Joint Gaskets (RTJ)—specialized metallic gaskets designed for high-pressure and high-temperature sealing, especially in critical industries like oil & gas, petrochemical, refinery, and offshore drilling. RTJ gaskets ensure a metal-to-metal seal between precisely machined flanges, offering unmatched sealing integrity where elastomeric or composite gaskets would fail.
Made from stainless steel and high-performance alloys, our RTJ gaskets conform to API 6A, ASME B16.20, and DIN standards, and are available in multiple profiles including R, RX, and BX types for different pressure classes and flange types.
Why Choose Rubber Gaskets?
- Excellent for low-pressure sealing, especially in HVAC and water systems
- Available in sheet, ring, strip, and custom die-cut profiles
- Offers resistance to oil, chemicals, acids, steam, and ozone
- Superior vibration absorption and leak prevention
- Conforms to ASTM D2000, IS 638, SAE, and DIN standards
| Products |
|---|
|
Stainless Steel Bar |
|
Fasteners |
|
Forged Products |
|
Flanges |
|
Forged Fittings |
|
Stainless Steel Billets |
|
Round Corner Square Billets |
|
Stainless Steel Pipes |
|
Pipe Fittings |
|
Valve |
Specification Chart
| Property | Specification |
|---|---|
|
Standard Thickness Range
|
0.5mm to 10mm (others on request) |
|
Hardness (Shore A) |
30 to 90 Shore A |
|
Operating Temperature |
–50°C to +250°C (depends on rubber type) |
|
Pressure Range |
Up to 20 bar (application specific) |
|
Available Formats |
Sheets, rings, strips, die-cut shapes |
|
Material Standards |
ASTM D2000, DIN 7715, BS 2751 |
Chemical Composition (By Material Type)
| Rubber Type | Base Polymer | Key Chemical Additives | Performance Traits |
|---|---|---|---|
|
Nitrile (Buna-N) |
Butadiene-Acrylonitrile |
Plasticizers, Sulfur |
Oil resistance, low temp flexibility |
|
EPDM |
Ethylene-Propylene |
Carbon black, Peroxide |
UV, ozone, and weather resistance |
|
Neoprene |
Chloroprene |
ZnO, Stearic Acid, Carbon black |
Flame resistance, oil & ozone resistance |
|
Silicone |
Polysiloxane |
Silica fillers, Heat stabilizers |
High temp and food-grade applications |
|
Viton |
Fluorocarbon |
Fluoropolymers, Peroxides |
Excellent chemical & heat resistance |
Mechanical Properties
| Property | Nitrile | EPDM | Neoprene | Silicone | Viton |
|---|---|---|---|---|---|
|
Tensile Strength (MPa)
|
10–20 |
10–15 |
12–17 |
7–10 |
12–20 |
|
Elongation (%) |
250–400 |
200–300 |
200–400 |
300–500 |
200–300 |
|
Compression Set (%) |
≤ 25 |
≤ 30 |
≤ 30 |
≤ 25 |
≤ 30 |
|
Temp Range (°C) |
–35 to 120 |
–50 to 140 |
–40 to 120 |
–60 to 230 |
–30 to 250 |
Types of Rubber Gaskets Offered
- Full-Face Gaskets – Cover the entire flange, including bolt holes.
- Ring Gaskets – Fit between the flanges without covering bolt holes.
- Custom Die-Cut Gaskets – Tailored to any profile, flange, or machine.
- Adhesive-Backed Gaskets – Easy to install; prevents shifting during assembly.
- Gasket Sheets – Available for custom punching and fabrication.
Applications
- Automotive & Transport – Engine gaskets, oil pan seals, and door seals.
- Water Supply & Wastewater – Pumps, valves, pipes, and manhole covers.
- HVAC & Ventilation Systems – Flange sealing, air-tight door gaskets.
- Chemical Industry – Acids, alkali, and solvent-resistant connections.
- General Industrial Use – Electrical cabinets, panels, pumps, and tanks.
Key Benefits
- Low Cost, High Versatility – An affordable and efficient choice for a wide variety of sealing needs.
- Highly Compressible and Flexible – Adapts easily to irregular surfaces and flange misalignments.
- Chemical & Weather Resistance – Suitable for both indoor and outdoor exposure conditions.
- Easy to Cut, Shape & Install – Available in ready-to-use or bulk form for manufacturing or assembly.
- Low Maintenance, Long Service Life – Stable under varying mechanical, chemical, and environmental conditions.
Frequently Asked Questions
Explore our FAQs for insights on materials, customization, and delivery.
Which rubber material should I choose for oil or fuel sealing?
Nitrile (Buna-N) is ideal for oil, grease, and petroleum-based fluids.
Are food-grade rubber gaskets available?
Yes, Silicone gaskets are FDA-compliant and safe for food and pharma applications.
Can you manufacture gaskets in custom shapes and thicknesses?
Absolutely. We offer die-cut and laser-cut custom gaskets from sheet stock.
Are rubber gaskets suitable for high temperatures?
Yes. For high temp use, choose Silicone (up to 230°C) or Viton (up to 250°C).
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