Modified & Filled PTFE

Engineering Plastic

9-3-Filled-PTFE-20250703-3914.
9-3-Filled-PTFE-20250703-3914.

Modified & Filled PTFE

Compared to the normal PTFE sheets, the properties of modified & filled PTFE are improved. The sheets can be filled with additives like glass fiber, silica, glass micro-spheres, Barium Sulfate, carbon, graphite, polyimide, bronze, peek, MoS2 and POB. Each additive has its own advantage.

Features&Applications

Silica filled PTFE
Creep Relaxation
Reduced Emissions
Min Cold Flow Problems
Improved Sealing Performance
Hydrocarbons, Solvents, Chlorine
Water & Steam, Cryogenics Material
Strong Acids
Barium Sulfate Filled PTFE
Excellent Bolt Torque Retention
Sealing Performance Better Virgin PTFE
Reduced Emissions & Creep Relaxation
Chlorine, Gases &Steam
Strong Acids & Moderate Acids
Hydrocarbons & Aluminum Fluoride
Glass Micro-spheres Filled PTFE
Mini Cold Flow Problems
Reduce Creep Relaxation
Improved Sealing Performance
Reduced Product Loss &Emissions
Cryogenics Material, Hydrogen Peroxide
Medium Concentrations of Acids & Caustics
Hydrocarbons, Solvents, Water, Refrigerants
Carbon filled PTFE (25%~35%)
High compressive strength
Improved wear resistance under load&permanent deformation
Better thermal & electrical conductivity
Water&Steam Applications
Vessel Openings, Pipe & Flanges Joint
Highly Concentrated Hydrofluoric Acid
In Hydrogen Fluoride: Heat Ex-changers
Graphite filled PTFE(15%)
High compressive strength
Improved wear resistance under load&permanent deformation
Better thermal& electrical conductivity.
Good chemical resistance
Improved frictional properties
Highly Concentrated Hydrofluoric Acid
Volatile Hazardous Air Pollutants (VHAP)
Polyimide Filled PTFE (5%~20%)
Good Thermal Conductivity & Wear
Superior Wear & Coefficient of Friction
Excellent Sliding & Electrical Insulation
Resist Chemical & Machining Properties
Softer Mating Surface Steel |Aluminum
Low Cold Flow & Wide Temperature Range
Automotive &Textile Industry
Rotary& Reciprocating Seals
Lip Seals Bearings, Valve Seat
Food & Medical industry Processing
Mechanical & Precision Engineering
Bushings, Piston Rings, Chain Guides
Stop-start Sockets Constructive Parts
MoS2 Filled PTFE (10%~20%)
Self-lubrication in presence of apolar gas
Low friction coefficient
Good dimension stability and not fragile like ceramic
Retained high dielectric performance in presence of improved thermal and electrical conductivity
Medium Concentrations of Acids
Dynamic Seals, Piston Cup Seals
Slide Covers, Bearings, Refrigerants
Bushings, Glide Rings, Back-up Rings
Hydrocarbons, Solvents, Water, Seats
Cryogenics Material, Hydrogen Peroxide
Peek Filled PTFE (15%)
High compressive strength
Excellent chemical resistance
Outstanding mechanical properties at elevated temp.
Good wear resistance
Ring Seals, Piston Ring |Bearings
Semiconductor, Electronics Oil & Gas
Precision Part, Sheet, Bushings, Tube
Chemical Technology, Automotive Industry

Technical Data

Properties Unit PTFE Filled with Silica PTFE Filled with Barium Sulfate PTFE Filled with Microspheres PTFE Filled with PEEK
YL-100SFP YL-100BSFP YL-100MFP YL-100PKFP
Modified & Filled PTFE

Modified & Filled PTFE

Modified & Filled PTFE

Modified & Filled PTFE

Color / Pink Off-white Blue Yellow
Density g/cm³ 2.1 2.8 1.6 1.4
Thickness mm 0.5~6.0   0.5~6.0 0.5~6.0
Tensile strength Mpa 14 14 14 11
Minimum Temperature °C -200℃ -200℃ -200℃ -200℃
Maximum Temperature v 260℃ 260℃ 260℃ 260℃
Maximum Pressure Mpa 8 8 6 -
Hardness Shore D 60 65   75
Elongation at break % 200 200 150 280
Recovery % 40 40 30 -
Creep Relaxation % 18 13 38 -
Compressibility % 5~15 4~10 25~40 8~15
Seal-ability cm³/min <0.15 <0.15 <0.15 <0.15
PH / 0~14 0~14 0~14 0~14
Common Size mm 1000x1000, 1200x1200, 1500x1500 or in roll 15000mm, 20000mm;
Rod diameter 6~150mm
Properties Unit PTFE Filled with Silica PTFE Filled with Barium Sulfate PTFE Filled with Microspheres PTFE Filled with PEEK
YL-100CFP YL-100GFP YL-100PIFP YL-100MSFP

Modified & Filled PTFE

Modified & Filled PTFE

Modified & Filled PTFE

Modified & Filled PTFE
Color / Black Black Amber Grey
Density g/cm³ 2.1 2.1 2.0 2.2
Thickness mm 0.5~6.0 0.5~6.0 0.5~6.0 0.5~6.0
Tensile strength Mpa 16 15 19 21
Minimum Temperature °C -200℃ -200℃ -260℃ -200℃
Maximum Temperature v 260℃ 260℃ 310℃ 260℃
Maximum Pressure Mpa 30 25 - -
Hardness Shore D 65 60 65 60
Elongation at break % 200 120 280 250
Recovery % 35 - - -
Creep Relaxation % 12 15 - -
Compressibility % 5~10 5~10 5~10 5~10
Seal-ability cm³/min <0.15 <0.15 <0.15 <0.15
PH / 0~14 0~14 0~14 0~14
Common Size mm 1000x1000, 1200x1200, 1500x1500 or in roll 15000mm, 20000mm;
Rod diameter 6~150mm
ASTM test are based on 0.80mm sheet thickness and DiN test is based on 1.50mm sheet thickness

You may also be concerned about

  • Do you accept customized products?

    Yes, based on drawings or samples.

  • What certifications do your products have?

    UL, RoHS, REACH, CE, ISO, etc.

  • What is the MOQ?

    Usually 100 kg or 100 sheets, negotiable.

  • Can you provide samples?

    Yes, common samples free, buyer pays freight.

  • What is the lead time?

    2-4 weeks after payment.

  • Do you offer OEM/ODM?

    Yes, including labeling and packaging.

  • Do you have export experience?

    Yes, over 20 years.

  • Payment terms?

    T/T 30% deposit, 70% before shipment. Negotiable if supports needed.

  • Do you provide CNC services?

    Yes, we offer CNC machining.

  • Are you a factory or trading company?

    Manufacturer and Exporter