Product Description
PTFE Full Face Gasket | Chemical Resistant PTFE Gasket | PTFE Seal Gasket | PTFE Pipe Gasket | PTFE Flat Gasket
Technical Specifications & Engineering Details of RUBBER-KU Full Face PTFE Gasket
Industrial Grade Full Face PTFE / Teflon Flange Gasket Technical Overview
RUBBER-KU RUBBER PRODUCTS manufactures high-performance Full Face PTFE Gaskets engineered for critical industrial sealing applications requiring exceptional chemical resistance, high thermal stability, dimensional accuracy, and reliable flange sealing integrity.
Our PTFE full-face flange gaskets are precision fabricated using premium-grade PTFE (Polytetrafluoroethylene / Teflon™) material to ensure long-term performance under aggressive chemical exposure, elevated temperatures, high-pressure environments, and demanding industrial operating conditions.
These gaskets are widely utilized in:
- Chemical processing industries
- Petrochemical plants
- Pharmaceutical facilities
- Semiconductor industries
- Food & beverage processing
- Water treatment systems
- Marine engineering
- Palm oil refineries
- Industrial piping systems
- Power generation facilities
Product Technical Specifications
| Technical Property | Specification |
|---|---|
| Product Name | Full Face PTFE Gasket |
| Material | PTFE / Teflon |
| Gasket Type | Full Face Flange Gasket |
| Design Configuration | Flat Full Face |
| Available Sizes | DN15 – DN600 |
| Temperature Range | -200°C to +260°C |
| Chemical Resistance | Excellent |
| Pressure Resistance | High |
| Water Absorption | Extremely Low |
| Friction Coefficient | Very Low |
| UV Resistance | Excellent |
| Weather Resistance | Excellent |
| Electrical Insulation | Excellent |
| Flange Compatibility | ANSI / JIS / DIN / BS |
| Surface Finish | Smooth Precision Cut |
| Color | White |
| Material Density | Approx. 2.1 – 2.3 g/cm³ |
| Hardness | Approx. 50 – 65 Shore D |
| Tensile Strength | Approx. 20 – 35 MPa |
| Elongation at Break | Approx. 200% – 400% |
Operating Temperature Performance
RUBBER-KU PTFE Gaskets maintain excellent sealing properties across extremely wide temperature ranges.
Operational temperature capability:
−200∘C≤T≤260∘C-200^{\circ}C \leq T \leq 260^{\circ}C−200∘C≤T≤260∘C
Low Temperature Performance
PTFE remains:
- Flexible
- Stable
- Non-brittle
Suitable for:
- Cryogenic systems
- Chilled fluid pipelines
- Refrigeration applications
- Low-temperature chemical transfer
High Temperature Performance
PTFE maintains:
- Chemical stability
- Mechanical integrity
- Dimensional consistency
Under elevated temperatures in:
- Steam pipelines
- Thermal processing systems
- Hot chemical transfer
- Reactor systems
Chemical Resistance Technical Performance
PTFE is considered one of the most chemically inert materials available for industrial sealing applications.
Resistant Against:
Strong Acids
- Sulfuric acid
- Hydrochloric acid
- Nitric acid
- Phosphoric acid
Alkalis
- Sodium hydroxide
- Potassium hydroxide
- Caustic solutions
Solvents
- Alcohols
- Ketones
- Aromatic solvents
- Chlorinated solvents
Industrial Chemicals
- Corrosive chemicals
- Oxidizing agents
- Hydrocarbons
- Toxic fluids
Material Molecular Structure Advantages
PTFE consists of carbon and fluorine molecular bonding with extremely strong fluorocarbon chains.
This structure provides:
- Exceptional chemical inertness
- High thermal stability
- Low surface energy
- Excellent anti-stick properties
- Superior oxidation resistance
The fluorine shielding effect protects the carbon backbone from chemical attack.
Mechanical Properties
Tensile Strength
Typical tensile strength:
20 MPa≤σt≤35 MPa20\text{ MPa} \leq \sigma_t \leq 35\text{ MPa}20 MPa≤σt≤35 MPa
Provides:
- Good structural stability
- Reliable flange compression resistance
- Long-term durability
Elongation Characteristics
PTFE offers excellent flexibility and elongation:
200%≤ϵ≤400%200\% \leq \epsilon \leq 400\%200%≤ϵ≤400%
Benefits include:
- Improved adaptability
- Better flange conformity
- Enhanced sealing contact
Compression & Recovery Characteristics
PTFE gaskets exhibit:
- Good compressibility
- Moderate elastic recovery
- Excellent flange surface adaptation
Important for:
- Leak prevention
- Surface irregularity compensation
- Compression sealing efficiency
Creep & Cold Flow Engineering Characteristics
What is Cold Flow?
PTFE naturally exhibits “cold flow” or creep behavior under prolonged compressive loading.
This means PTFE may slowly deform over time when subjected to:
- Continuous pressure
- Elevated temperatures
- High bolt loads
Causes of PTFE Creep
Factors influencing creep:
- Excessive bolt torque
- High operating pressure
- Elevated temperature
- Long-term compression stress
Solutions to Minimize Cold Flow
RUBBER-KU provides engineering solutions including:
- Filled PTFE materials
- Expanded PTFE options
- Controlled bolt torque procedures
- Proper flange design selection
Filled PTFE Technical Advantages
Filled PTFE contains reinforcement materials such as:
- Glass fiber
- Carbon
- Graphite
- Bronze
- Barium sulfate
Benefits:
- Reduced creep
- Improved dimensional stability
- Better wear resistance
- Higher compressive strength
- Enhanced pressure resistance
Expanded PTFE (ePTFE) Technical Benefits
Expanded PTFE offers:
- Superior compressibility
- Better micro-sealing performance
- Enhanced flange conformity
- Improved sealing under low bolt load
Ideal for:
- Fragile flanges
- Uneven surfaces
- Glass-lined equipment
Friction Coefficient Technical Performance
PTFE possesses one of the lowest friction coefficients among industrial materials.
Typical friction coefficient:
0.05≤μ≤0.100.05 \leq \mu \leq 0.100.05≤μ≤0.10
Advantages:
- Easier installation
- Reduced sticking
- Easier gasket removal
- Lower maintenance effort
Electrical Insulation Properties
PTFE offers excellent dielectric properties.
Applications include:
- Semiconductor systems
- Electrical equipment
- High-voltage systems
- Electronic manufacturing
Technical benefits:
- High dielectric strength
- Excellent insulation stability
- Low electrical conductivity
Water Absorption Characteristics
PTFE exhibits extremely low moisture absorption.
Approximate water absorption:
Water Absorption<0.01%\text{Water Absorption} < 0.01\%Water Absorption<0.01%
Benefits:
- Dimensional stability
- No swelling
- Reliable water sealing
- Long-term moisture resistance
Thermal Expansion Characteristics
PTFE expands under elevated temperature conditions.
Proper gasket engineering considers:
- Thermal cycling
- Bolt stress changes
- Flange expansion compatibility
Correct installation torque is essential for optimal sealing performance.
Flange Compatibility Technical Details
RUBBER-KU Full Face PTFE Gaskets are manufactured for compatibility with multiple flange standards.
ANSI / ASME Flanges
- ANSI 150
- ANSI 300
- ANSI 600
JIS Flanges
- JIS 5K
- JIS 10K
- JIS 16K
- JIS 20K
DIN Flanges
- PN6
- PN10
- PN16
- PN25
- PN40
British Standard Flanges
- Table D
- Table E
- Table F
Precision Manufacturing Technology
RUBBER-KU PTFE gaskets are precision fabricated using advanced cutting methods.
Benefits include:
- Accurate dimensions
- Consistent quality
- Precise bolt hole alignment
- Superior flange fitment
- Reduced leakage risk
Thickness Options
Available thicknesses typically include:
- 1.0mm
- 1.5mm
- 2.0mm
- 3.0mm
- 5.0mm
Custom thickness fabrication available upon request.
Pressure Resistance Performance
PTFE gasket pressure capability depends on:
- Flange type
- Bolt load
- Gasket thickness
- Operating temperature
- Media type
Filled PTFE generally provides:
- Higher pressure resistance
- Improved structural stability
- Better creep resistance
Surface Finish Characteristics
RUBBER-KU PTFE Gaskets feature:
- Smooth surface finish
- Uniform thickness
- Clean edge precision
- Burr-free cutting
This improves:
- Sealing contact
- Installation performance
- Compression uniformity
Hygienic & Food Grade Technical Benefits
Virgin PTFE material offers:
- Non-toxic properties
- Odorless characteristics
- Non-contaminating performance
- High purity structure
Suitable for:
- Food processing
- Beverage systems
- Pharmaceutical production
- Clean room applications
UV & Weather Resistance Technical Performance
PTFE resists:
- UV degradation
- Ozone attack
- Weather cracking
- Environmental aging
Suitable for:
- Outdoor installations
- Marine environments
- Chemical plants
- Exposed industrial systems
Dimensional Stability
PTFE maintains:
- Stable dimensions
- Consistent sealing geometry
- Reliable compression characteristics
Under:
- Chemical exposure
- Thermal cycling
- Long-term industrial operation
Recommended Industrial Applications
Suitable Media
- Acids
- Alkalis
- Solvents
- Steam
- Chemicals
- Water
- Corrosive fluids
- High-purity liquids
Industries Using RUBBER-KU PTFE Gaskets
- Chemical processing
- Petrochemical industries
- Pharmaceutical manufacturing
- Water treatment plants
- Palm oil refineries
- Food processing
- Semiconductor plants
- Marine engineering
- Industrial piping systems
Engineering Installation Recommendations
Proper Bolt Tightening
Use:
- Cross-pattern tightening
- Gradual torque application
- Even compression distribution
Avoid:
- Over-tightening
- Uneven bolt load
- Excessive compression
Flange Surface Requirements
Flanges should be:
- Clean
- Flat
- Smooth
- Free from corrosion
- Properly aligned
Storage Recommendations
Store PTFE gaskets:
- In dry environments
- Away from contamination
- Flat without bending
- Protected from mechanical damage
Technical Advantages of RUBBER-KU Full Face PTFE Gaskets
- Excellent chemical resistance
- Superior temperature stability
- Outstanding corrosion resistance
- Excellent anti-stick performance
- High purity sealing material
- Long operational lifespan
- Precision flange compatibility
- Reliable industrial sealing
- Low maintenance requirements
- Excellent dimensional stability
Contact Details
PTFE Full Face Gasket | Chemical Resistant PTFE Gasket | PTFE Seal Gasket | PTFE Pipe Gasket | PTFE Flat Gasket
| Supplier | : | RUBBER-KU RUBBER PRODUCTS |
| : | rubberku@gmail.com | |
| Phone | : | +603 5191 7961 |
| Fax | : | +603 5191 5961 |
| Location | : | Selangor, Malaysia |
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