Product Description

Expanded PTFE Gasket | ePTFE Gasket | Filled PTFE Gasket | Virgin PTFE Gasket | PTFE Ring Gasket

Full Face PTFE Gasket Manufacturer & Supplier Malaysia – High Performance Industrial Teflon Flange Sealing Solution

RUBBER-KU RUBBER PRODUCTS – Premium Quality Full Face PTFE / Teflon Gasket Supplier

RUBBER-KU RUBBER PRODUCTS is a trusted industrial gasket manufacturer and supplier in Malaysia specializing in high-performance Full Face PTFE Gaskets designed for critical sealing applications in corrosive, high-temperature, high-pressure, and chemically aggressive industrial environments.

Manufactured using premium-grade PTFE (Polytetrafluoroethylene), commonly known worldwide as Teflon™, our full-face PTFE flange gaskets provide exceptional chemical resistance, superior thermal stability, excellent dimensional accuracy, and long-lasting sealing reliability across multiple industrial sectors.

Our PTFE full-face flange gaskets are precision-cut to ensure complete flange surface coverage including bolt holes, allowing uniform bolt compression, superior flange protection, and maximum leak prevention performance for industrial piping systems.

RUBBER-KU supplies PTFE gasket solutions for:

  • Chemical processing plants
  • Oil & gas industries
  • Petrochemical plants
  • Pharmaceutical factories
  • Food & beverage processing
  • Semiconductor industries
  • Water treatment plants
  • Palm oil refineries
  • Marine engineering
  • HVAC systems
  • Power generation facilities
  • Industrial manufacturing plants
  • Pulp & paper industries
  • ETP & STP systems
  • Glove manufacturing factories

What is a Full Face PTFE Gasket?

A Full Face PTFE Gasket is a specially engineered flange sealing gasket that completely covers the entire flange face, including all bolt holes. Unlike conventional ring gaskets that seal only around the pipe bore area, full-face gaskets distribute bolt load evenly across the complete flange surface, significantly improving sealing performance and reducing flange stress concentration.

The gasket is manufactured from PTFE material, one of the most chemically resistant and thermally stable engineering plastics available in industrial sealing applications.

The full-face design provides:

  • Complete flange protection
  • Accurate bolt hole alignment
  • Enhanced sealing efficiency
  • Better pressure distribution
  • Reduced flange warping risk
  • Improved installation stability
  • Lower leakage probability

Full-face PTFE gaskets are commonly installed between flat-face flanges where uniform compression and maximum chemical resistance are required.


Why PTFE (Teflon) is the Preferred Industrial Gasket Material

PTFE (Polytetrafluoroethylene) is one of the most advanced industrial sealing materials due to its extraordinary molecular structure and fluoropolymer properties.

Its unique characteristics make it ideal for aggressive industrial environments where ordinary rubber gaskets fail.


Exceptional Chemical Resistance

PTFE is virtually chemically inert and resistant to nearly all industrial chemicals, making it one of the most reliable sealing materials for corrosive applications.

RUBBER-KU Full Face PTFE Gaskets can withstand:

  • Sulfuric acid
  • Hydrochloric acid
  • Nitric acid
  • Phosphoric acid
  • Caustic soda
  • Chlorine
  • Solvents
  • Hydrocarbons
  • Alcohols
  • Industrial cleaning chemicals
  • Aggressive alkalis
  • Corrosive fluids
  • Toxic chemicals

This outstanding chemical resistance minimizes gasket degradation, chemical attack, swelling, cracking, and seal failure.


Extreme Temperature Resistance

PTFE maintains excellent mechanical and sealing properties under extreme temperature conditions.

Typical operating temperature range:

−200∘C≤T≤260∘C-200^{\circ}C \leq T \leq 260^{\circ}C−200∘C≤T≤260∘C

This wide temperature stability allows PTFE gaskets to perform effectively in:

  • Cryogenic systems
  • Steam pipelines
  • Hot chemical transfer lines
  • High-temperature reactors
  • Thermal processing systems
  • Chilled fluid applications

PTFE does not become brittle at low temperatures and maintains structural stability under elevated heat conditions.


Full Face Gasket Design Advantages

Complete Flange Surface Coverage

The full-face gasket extends across the entire flange face and includes precision-cut bolt holes to ensure proper alignment during installation.

Advantages include:

  • Better flange load distribution
  • Reduced flange stress
  • Enhanced leak prevention
  • Improved sealing reliability
  • Easier installation
  • Better gasket stability

Superior Bolt Hole Alignment

The bolt holes hold the gasket securely in place during installation, preventing:

  • Gasket displacement
  • Misalignment
  • Intrusion into pipe bore
  • Uneven compression
  • Leakage paths

This ensures accurate positioning and reliable sealing performance.


Flange Protection

Full-face PTFE gaskets act as a protective barrier between metal flanges, helping reduce:

  • Corrosion
  • Surface damage
  • Flange wear
  • Galvanic reaction
  • Chemical attack on flange surfaces

PTFE Material Properties

Property Performance
Chemical Resistance Excellent
Temperature Resistance Excellent
UV Resistance Excellent
Weather Resistance Excellent
Moisture Absorption Extremely Low
Electrical Insulation Excellent
Friction Coefficient Very Low
Non-Stick Surface Excellent
Food Grade Compatibility Yes
Water Resistance Excellent
Aging Resistance Excellent
Oxidation Resistance Excellent

Available Sizes

RUBBER-KU RUBBER PRODUCTS supplies Full Face PTFE Gaskets in multiple industrial sizes:

  • DN15
  • DN20
  • DN25
  • DN32
  • DN40
  • DN50
  • DN65
  • DN80
  • DN100
  • DN125
  • DN150
  • DN200
  • DN250
  • DN300
  • DN400
  • DN450
  • DN500
  • DN600

Custom fabrication services are available for:

  • Non-standard flange sizes
  • Special thickness requirements
  • Custom bolt hole configurations
  • Large diameter gaskets
  • OEM industrial applications

Flange Standards Supported

RUBBER-KU manufactures PTFE full-face gaskets compatible with multiple international flange standards including:

ANSI / ASME Standard

  • ANSI 150
  • ANSI 300
  • ANSI 600

JIS Standard

  • JIS 5K
  • JIS 10K
  • JIS 16K
  • JIS 20K

DIN Standard

  • PN6
  • PN10
  • PN16
  • PN25
  • PN40

British Standard

  • Table D
  • Table E
  • Table F

Types of PTFE Gasket Materials

Virgin PTFE Gasket

Virgin PTFE is manufactured from pure PTFE resin without fillers.

Advantages:

  • Highest chemical purity
  • Excellent corrosion resistance
  • Food-grade compatibility
  • Pharmaceutical suitability
  • Semiconductor-grade cleanliness

Applications:

  • Pharmaceutical industry
  • Food processing
  • Semiconductor systems
  • High-purity chemical transfer

Expanded PTFE (ePTFE) Gasket

Expanded PTFE provides improved compressibility and flexibility.

Advantages:

  • Better sealing on irregular surfaces
  • Superior compressibility
  • Improved adaptability
  • Excellent leak prevention
  • Lower bolt load requirement

Ideal for:

  • Uneven flange surfaces
  • Glass-lined equipment
  • Fragile flanges
  • Low bolt stress applications

Filled PTFE Gasket

Filled PTFE contains reinforcing materials to improve mechanical strength.

Common fillers:

  • Glass fiber
  • Carbon
  • Graphite
  • Bronze
  • Barium sulfate

Benefits:

  • Reduced cold flow
  • Improved creep resistance
  • Better wear resistance
  • Higher compressive strength
  • Enhanced dimensional stability

Recommended for:

  • High-pressure systems
  • Mechanical applications
  • Heavy industrial environments

Understanding PTFE Cold Flow & Creep

One important engineering characteristic of PTFE is “cold flow” or “creep.”

Under continuous pressure, standard PTFE may slowly deform over time.

This occurs because PTFE is softer than metal flange materials.

Possible effects:

  • Loss of bolt load
  • Reduced sealing stress
  • Gasket deformation
  • Leakage risk

To overcome this issue:

  • Filled PTFE materials are used
  • Expanded PTFE technology improves recovery
  • Proper bolt torque procedures are applied
  • Controlled compression is recommended

RUBBER-KU provides suitable PTFE material recommendations based on operating pressure, temperature, and chemical exposure.


Industrial Applications

Chemical Processing Industry

PTFE gaskets are extensively used in:

  • Acid transfer pipelines
  • Chemical reactors
  • Solvent systems
  • Corrosive fluid handling
  • Chemical dosing systems

Their chemical inertness ensures long-term reliability.


Oil & Gas Industry

Applications include:

  • Petrochemical pipelines
  • Refinery processing
  • Offshore platforms
  • Chemical injection systems
  • Hydrocarbon transfer lines

PTFE provides resistance against aggressive hydrocarbons and chemicals.


Water Treatment Plants

Suitable for:

  • Chlorination systems
  • Chemical injection piping
  • Filtration systems
  • Wastewater treatment
  • Reverse osmosis systems

Pharmaceutical Industry

Ideal for:

  • Sterile processing systems
  • High-purity fluid transfer
  • Clean room piping
  • Pharmaceutical reactors

PTFE’s non-contaminating properties are critical in pharmaceutical production.


Food & Beverage Industry

Used in:

  • Dairy processing
  • Beverage production
  • Food transfer systems
  • Purified water systems

PTFE is:

  • Non-toxic
  • Odorless
  • Non-contaminating
  • Hygienic

Semiconductor Industry

Excellent for:

  • Ultra-pure chemical transfer
  • High-purity water systems
  • Clean chemical processing

Palm Oil Industry

Widely used in:

  • Steam pipelines
  • Chemical dosing systems
  • Refinery processing lines

Marine & Offshore Industry

Suitable for:

  • Saltwater systems
  • Corrosive environments
  • Chemical pipelines
  • Offshore processing equipment

Installation Guidelines for Full Face PTFE Gasket

Proper installation is essential for maximum sealing performance.

Step 1 – Clean Flange Surface

Ensure flange faces are:

  • Clean
  • Smooth
  • Free from rust
  • Free from debris
  • Oil-free

Step 2 – Check Flange Alignment

Verify:

  • Parallel flange faces
  • Correct bolt alignment
  • Proper pipe positioning

Step 3 – Position the Gasket

Align:

  • Bolt holes
  • Pipe bore
  • Flange surface

The full-face design helps ensure perfect alignment.


Step 4 – Tighten Bolts Gradually

Use a cross-pattern tightening sequence to ensure even compression.

Avoid:

  • Uneven torque
  • Over-tightening
  • Excessive compression

Step 5 – Re-Torque if Necessary

In high-temperature systems, bolt re-tightening may be required after thermal cycling.


Common Causes of Gasket Failure

Over Compression

Excessive bolt load may cause:

  • PTFE deformation
  • Creep
  • Seal extrusion

Incorrect Material Selection

Using wrong PTFE grade may result in:

  • Chemical attack
  • Reduced lifespan
  • Seal failure

Uneven Flange Surface

Damaged flange surfaces may create:

  • Leakage paths
  • Uneven sealing pressure

Improper Bolt Tightening

Uneven torque causes:

  • Compression imbalance
  • Leakage
  • Gasket stress concentration

Why Choose RUBBER-KU RUBBER PRODUCTS?

High Quality Industrial PTFE Materials

We use premium PTFE materials for superior sealing reliability.

Precision Manufacturing

Our gaskets are accurately cut for perfect flange compatibility.

Wide Industrial Experience

We supply gasket solutions for multiple industries throughout Malaysia.

Custom Fabrication Services

We provide:

  • Custom sizes
  • OEM manufacturing
  • Special flange standards
  • Industrial sealing consultation

Competitive Pricing & Fast Delivery

Reliable supply support for industrial projects and maintenance operations.


Industries That Use Full Face PTFE Gaskets

  • Chemical factories
  • Petrochemical plants
  • Oil refineries
  • Water treatment plants
  • Pharmaceutical manufacturers
  • Food processing factories
  • Semiconductor plants
  • Palm oil mills
  • Power plants
  • HVAC contractors
  • Marine engineering companies
  • Industrial maintenance contractors
  • Mechanical engineering firms
  • Industrial piping contractors

Why Full Face PTFE Gaskets are Better Than Ring Gaskets

Feature Full Face Gasket Ring Gasket
Flange Coverage Full Surface Inner Bore Only
Bolt Hole Alignment Yes No
Load Distribution Excellent Moderate
Flange Protection Better Limited
Installation Stability Higher Lower
Leakage Prevention Superior Standard

Custom PTFE Gasket Fabrication Services

RUBBER-KU RUBBER PRODUCTS also manufactures:

  • Custom PTFE flange gaskets
  • Large diameter PTFE gaskets
  • PTFE sheet cut gaskets
  • PTFE envelope gaskets
  • PTFE ring gaskets
  • PTFE lined gaskets
  • Non-standard industrial gaskets

Custom fabrication available based on:

  • Drawing
  • Sample
  • CAD design
  • OEM specifications

Frequently Asked Questions (FAQ)

What is PTFE gasket used for?

PTFE gaskets are used for sealing aggressive chemicals, acids, solvents, steam, and high-purity fluids in industrial piping systems.

Is PTFE gasket chemical resistant?

Yes. PTFE offers exceptional resistance against most industrial chemicals and corrosive media.

What temperature can PTFE gasket withstand?

−200∘C≤T≤260∘C-200^{\circ}C \leq T \leq 260^{\circ}C−200∘C≤T≤260∘C

What flange types are suitable for full-face PTFE gaskets?

Full-face PTFE gaskets are primarily designed for flat-face flanges.

Does PTFE gasket work for food-grade applications?

Yes. Virgin PTFE is suitable for hygienic and food-grade applications.

What is the difference between PTFE and rubber gasket?

PTFE provides much higher chemical resistance and temperature stability compared to conventional rubber materials.


Contact RUBBER-KU RUBBER PRODUCTS

Looking for a trusted Full Face PTFE Gasket Supplier in Malaysia?

RUBBER-KU RUBBER PRODUCTS supplies premium industrial PTFE / Teflon gasket solutions for demanding industrial applications requiring superior chemical resistance, high temperature stability, and reliable sealing performance.

Contact us today for:

  • Product catalogue
  • Technical consultation
  • OEM fabrication
  • Custom gasket sizes
  • Industrial sealing solutions
  • Bulk order enquiries

Contact Details

Expanded PTFE Gasket | ePTFE Gasket | Filled PTFE Gasket | Virgin PTFE Gasket | PTFE Ring Gasket

Supplier : RUBBER-KU RUBBER PRODUCTS
Email : rubberku@gmail.com
Phone : +603 5191 7961
Fax : +603 5191 5961
Location : Selangor, Malaysia

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