Karma Polymers

We have a leading organization in offering a supreme quality assortment of Spiral Wound Gasket to our customers. The offered products are tested in terms of quality to deliver only defect less range from our side. Extensively used in Refinery, Petrochemical, Chemical, Steam lines and Process Industries, these products are highly demanded. Customers can avail these products in bulk quantities at competitive prices.

Features:

 

• Sturdy construction

• Hassle-free usability

• Robust design

Product Description:

PTFE gaskets, made from Polytetrafluoroethylene, are highly durable sealing solutions designed for use in extreme environments. Known for their outstanding chemical resistance, non-stick properties, and high-temperature stability, PTFE gaskets are ideal for applications in industries like chemical processing, pharmaceuticals, food, and electronics. These gaskets offer reliable performance in the presence of aggressive chemicals, high pressures, and elevated temperatures, ensuring a tight and long-lasting seal.

Material:

• Type: Polytetrafluoroethylene (PTFE)
• Color: White (Natural), other colors available upon request
• Density: 2.2 g/cm³
• Temperature Range: -200°C to +260°C (-328°F to +500°F)
• Water Absorption: < 0.01%

Available Dimensions:

• Inner Diameter (ID) Range:
  • From 6 mm  to 2,000 mm (78 inches)
• Outer Diameter (OD) Range:
  • From 20 mm (0.8 inches) to 2,500 mm (98 inches)
• Thickness Range:
  • From 0.5 mm (0.02 inches) to 10 mm (0.4 inches)
• Shape:
  • Round, Square, Custom shapes available upon request

Mechanical Properties:

• Tensile Strength: 25 MPa (3,625 psi)
• Elongation at Break: 300%
• Hardness: Shore D 50
• Compression Set: <10%
• Coefficient of Friction: 0.05 (Dry vs. Steel)
• Dielectric Strength: 60 kV/mm

Key Features:

• Excellent chemical resistance to virtually all chemicals
• Low coefficient of friction and anti-stick properties
• High temperature resistance up to 260°C (500°F)
• Excellent electrical insulation and dielectric properties
• Non-toxic and food-grade compliant options
• Resistant to UV, aging, and weathering
• Non-reactive and suitable for cleanroom environments

Applications:

• Flange gaskets in chemical and pharmaceutical industries
• Seals for pipelines and valves in harsh chemical environments
• Gaskets for food processing equipment
• Electrical insulation in high-voltage components
• Sealing solutions for hydraulic and pneumatic systems
• Components in aerospace, marine, and oil & gas industries

Our respected clients can avail from us a quality approved the range of Metallic Gasket. These products are manufactured from best quality components. These products are widely admired for their flawless performance and fine finishing. Customers can avail these products with various fillers like C.A.F.NonAsbestos, Graf oil, and P.T.F.E. (Teflon).

Features: 

• Resistance against high temperature

• Easy to use

• Anti-corrosive

Product Description:

Non-asbestos gaskets are high-performance sealing solutions made from a blend of synthetic fibers, fillers, and elastomers such as nitrile rubber (NBR), styrene butadiene rubber (SBR), or polytetrafluoroethylene (PTFE). These gaskets are designed to replace traditional asbestos gaskets and offer excellent resistance to heat, pressure, chemicals, and oils. Non-asbestos gaskets are widely used in various industrial applications, including chemical processing, oil and gas, power generation, and food processing, offering a safe and environmentally friendly alternative to asbestos.

Material:

• Type: Compressed non-asbestos fibers (CNAF) with synthetic binders
• Primary Fibers: Aramid fibers, glass fibers, carbon fibers, or other high-strength synthetic fibers
• Elastomers: Nitrile Rubber (NBR), Styrene Butadiene Rubber (SBR), or PTFE
• Color: Green, Blue, Black, Red (depending on composition)
• Temperature Range: -100°C to +450°C (-148°F to +842°F)
• Pressure Rating: Up to 100 bar (1,450 psi) depending on grade

Available Dimensions:

• Thickness Range:
  • From 0.5 mm (0.02 inches) to 5 mm (0.2 inches)
• Sheet Sizes:
  • Standard sizes: 1,500 mm x 1,500 mm (59 inches x 59 inches) or 1,500 mm x 2,000 mm (59 inches x 78.7 inches)
  • Custom sizes and die-cut shapes available upon request
• Rolls or Sheets: Available in rolls or cut sheets for specific applications

Mechanical Properties:

• Tensile Strength: 10 MPa to 20 MPa (1,450 psi to 2,900 psi) depending on grade
• Compressibility: 7% to 17%
• Recovery: 50% to 60%
• Sealability: Excellent performance in high-pressure environments
• Chemical Resistance: Resistant to oils, fuels, acids, alkalis, and most solvents

Key Features:

• Asbestos-free, environmentally friendly, and safe for handling
• High-temperature resistance up to +450°C (842°F)
• Excellent sealing properties under high-pressure and high-temperature conditions
• Chemical resistance to a wide range of oils, fuels, acids, and solvents
• Suitable for dynamic applications, including sealing pumps, valves, and compressors
• Compatible with steam, water, gas, and various chemicals
• Excellent compressibility and recovery, ensuring long-lasting seals
• Available in multiple grades to suit different industrial requirements

Applications:

• Sealing flanges, valves, and pumps in chemical processing industries
• Gaskets for oil and gas pipelines, refineries, and petrochemical plants
• Power generation equipment such as boilers, heat exchangers, and turbines
• Automotive gaskets for engine components and exhaust systems
• Food processing, pharmaceutical, and beverage industries (food-grade options available)
• Sealing applications in water treatment plants and HVAC systems

PTFE ENVELOPE GASKET

Product Description:

PTFE envelope gaskets are specialized sealing solutions designed to provide excellent chemical resistance, low friction, and high-temperature performance. These gaskets consist of a PTFE envelope that encapsulates a softer filler material, combining the chemical inertness of PTFE with the compressibility and resilience of the filler. PTFE envelope gaskets are ideal for sealing applications in aggressive chemical environments, particularly in the chemical processing, pharmaceutical, and food industries.

Material:

• Envelope Material: Polytetrafluoroethylene (PTFE)
• Filler Materials:
  • Compressed Non-Asbestos Fiber (CNAF)
  • Rubber (EPDM, Nitrile, Neoprene)
  • Graphite
  • Soft metals (as per customer requirements)
• Color: White (Natural PTFE), Filler color varies by material
• Density (Envelope): 2.2 g/cm³
• Temperature Range:
  • PTFE Envelope: -200°C to +260°C (-328°F to +500°F)
  • Filler: Varies based on material

Available Dimensions:

• Inner Diameter (ID) Range:
  • From 10 mm (0.4 inches) to 2,000 mm (78 inches)
• Outer Diameter (OD) Range:
  • From 20 mm (0.8 inches) to 2,500 mm (98 inches)
• Thickness Range:
  • From 1.5 mm (0.06 inches) to 10 mm (0.4 inches)
• Shape:
  • Round, Square, Rectangular, or custom shapes available upon request

Mechanical Properties:

• Tensile Strength (Envelope): 25 MPa (3,625 psi)
• Elongation at Break (Envelope): 300%
• Hardness (Envelope): Shore D 50
• Compression Set (Filler): Varies by material, typically <15%
• Dielectric Strength (Envelope): 60 kV/mm

Key Features:

• Outstanding chemical resistance due to PTFE envelope
• Low friction and anti-stick properties
• High-temperature stability up to 260°C (500°F)
• Excellent sealing performance with various fillers
• Resistant to aging, weathering, and UV radiation
• Non-toxic and FDA-compliant options available

Applications:

• Flange gaskets in chemical processing plants
• Sealing applications in the pharmaceutical and food industries
• Heat exchanger gaskets
• Valve and pump seals in aggressive environments
• Lined pipe flanges and glass-lined reactor vessels

Customization Options:

• Custom inner and outer diameters, thicknesses, and shapes
• Selection of filler materials based on application requirements
• FDA-compliant food-grade and pharmaceutical-grade options
• Special formulations for enhanced sealing performance and durability
• Custom gaskets for specific industrial standards and applications