Properties and Characteristics of PTFE Materials and Blends

Discover a wide range of PTFE (Polytetrafluoroethylene) materials and their properties on this page. PTFE is a versatile polymer known for its exceptional chemical resistance, low friction coefficient, and high temperature stability. Explore different types of PTFE, including Virgin PTFE, Glass Fiber Filled PTFE, Carbon Filled PTFE, and Bronze Filled PTFE, each offering unique characteristics for various applications. Dive into detailed information about the properties of these PTFE materials, such as density, tensile strength, hardness, thermal stability, and more. Find the ideal PTFE solution for your specific requirements. For further inquiries, please don't hesitate to contact us using the button below.

Virgin PTFE

PROPERTIESTest MethodTypIcal Values
Specific GravitiyBS EN ISO 13000-22.14-2.19 g/cm³
Tensile StrengthBS EN ISO 13000-220 - 30 Mpa
ElongationBS EN ISO 13000-2350%
Shore D HardnessBS EN ISO 13000-255 - 65
Water AbsorptionDIN 53472/8.2Zero
Modulus of ElasticityDIN 53482750 Mpa
Volume ResistivityDIN 5348218¹⁸ ΩCM
Dielectric ConstantASTM D1502.1
Dielectric StrengthIEC 60213-1 Film 100µm105
Coefficient of Friction<0.1

Glass Filled PTFE

PROPERTIESTest Method25% Glass FIlled
Specific GravitiyASTM D 48942.23 - 2.26 g/cm³
Tensile StrengthASTM D 489431 Mpa (4600 PSI)
ElongationASTM D 4894>180%
Shore D HardnessBS EN 13000-260
Compressive Strenght 1% Deformation>9 Mpa
Compressive ModulusASTM D695758 Mpa
Flexural StrengthASTM D79013.4 Mpa
Flexural ModulusASTM D7901310 Mpa
Coefficient of Linear Thermal ExpanisonASTM D6967.7-11.2 x10-5°C (100°C)
Thermal ConductivityC17710.6 x 10-4 cal/cm-sec-°C

Carbon Filled PTFE

PROPERTIESTest Method15% Carbon FILLED
Specific GravitiyASTM D 7922.05 - 2.12 g/cm³
Tensile StrengthASTM D 489413 - 18 Mpa
ElongationASTM D 489490 – 300%
Shore D HardnessASTM D 224060 – 66
Deformantion Under LoadASTM D 6955 – 7%
Permanent DeformationASTM D 6952 – 4%
Flexural Modulus1105 Mpa
Coefficient of Static Friction0.14 – 0.16
Coefficient of Dynamic Friction0.12 – 0.14
Volume ResistivityASTM D 25710-4 Ohm / CM
Service Temperature-200°C / +260°C

Bronze Filled PTFE

PROPERTIESTest Method%40 Bronze Filled%60 Bronze Filled
Specific GravitiyBS EN ISO 13000-23.0 – 3.12 g/cm33.8 – 3.95 g/cm3
Tensile StrengthBS EN ISO 13000-322 - 27 Mpa10 -18 Mpa
ElongationBS EN ISO 13000-4230 – 270%100 - 200%
Shore D HardnessBS EN ISO 13000-565 - 6865 - 75

Bronze Filled - 60% Glass Fiber + %40 Pure PTFE

PropertIesTest MethodUnItValue
DensityISO 1183-1Kg/cm3.92
Yield StrengthD4745 2011N/mm22
Tensile - Break StrengthD4745 2011%220
Compressive StrengthD695Kg/cm107
Hardness53505 2000-08N/mm65
Notched Impact StrengthD256Kj/m11
Coefficient of Friction, Static0.07
Coefficient of Friction, Dynamic0.13
ShrinkageInternal%1.5
Operating TemperatureInternal°C-260/+270

Peek

PROPERTIESUNITValue
Densitygr/cm1.3
Water Absorption (Saturation)%0.4
Yield Strength
Mpa105
Tensile Strength
MPA75
Impact Strength
kJ/mNot broken
Notched Impact Strength
Kj/m5
HardnessShore D86
Coefficient of Friction
0.34
Melting Temperature
°C340
Short-Term Operating Temperature
°C310
Long-Term Operating Temperature
°C250
Dielectric StrengthkV/mm15

Carbon Filled- 31% Kok Carbon + 4% Graphite + 65% Pure PTFE

PROPERTIESTest MethodUNITValue
DensityISO 1183-1Kg/cm2,008
Yield StrengthD4745 2011N/mm17.6
Tensile - Break StrengthD4745 2011%36.8
Compressive StrengthD695Kg/cm97-118
Hardness53505 2000-08N/mm62.8
Notched Impact StrengthD256Kj/m
Coefficient of Friction, Static0.13
Coefficient of Friction, Dynamic0.16
ShrinkageInternal%2.15
Operating TemperatureInternal°C-260/+270

Glass Fiber Reinforced - 25% Glass Fiber + 75% Pure PTFE

PROPERTIESTest MethodUNITValue
DensityISO 1183-1Kg/cm2.23
Yield StrengthD4745 2011N/mm21
Tensile - Fracture StrengthD4745 2011%220
Compressive StrengthD695Kg/cm67
Hardness53505 2000-08N/mm57
Notched Impact StrengthD256Kj/m13.5
Coefficient of Friction, Static0.07
Coefficient of Friction, Dynamic0.09
ShrinkageInternal%1.8
Operating TemperatureInternal°C-260/+270

Glass Fiber Reinforced - 15% Glass Fiber + 85% Pure PTFE

PROPERTIESTest MethodUNITValue
DensityISO 1183-1Kg/cm2,235
Yield StrengthD4745 2011N/mm21.5
Tensile - Fracture StrengthD4745 2011%255
Compressive StrengthD695Kg/cm63
Hardness53505 2000-08N/mm62.1
Notched Impact StrengthD256Kj/m15
Coefficient of Friction, Static0.05
Coefficient of Friction, Dynamic0.06
ShrinkageInternal%3.87
Operating TemperatureInternal°C-260/+270

Bronze Filled - 40% Glass Fiber + 60% Pure PTFE

PROPERTIESTest MethodUNITValue
DensityISO 1183-1Kg/cm3,068
Yield StrengthD4745 2011N/mm30.7
Tensile - Fracture StrengthD4745 2011%281
Compressive StrengthD695Kg/cm103
Hardness53505 2000-08N/mm61.1
Notched Impact StrengthD256Kj/m11-May
Coefficient of Friction, Static0.06
Coefficient of Friction, Dynamic0.12
ShrinkageInternal%2.05
Operating TemperatureInternal°C-260/+270