Plastic Distribution Inc.

Widest variety of industrial plastic materials in the industry

 

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Glossary of Terms
 

Distributor of Teflon Plastic in Sheet, Rod, Bar and Brushing

PFA Teflon Plastic Because of its molecular structure, traditional PTFE cannot be processed by melting, but must be compressed into shapes and heated under pressure (sintered).

In contrast, FEP and PFA are melt-processable by conventional thermoplastic processing methods, including injection, transfer, blow, and compression molding and by extrusion.

 

 

Click Here for Teflon Plastic Machining Services

Teflon Plastic Materials Properties FDA USDA NSF 3A DAIRY
PFA Teflon Plastics perfluoroalkoxy
PTFE Teflon Plastics unfilled

FEP Teflon Plastics

 tetrafluorethylene-perfluorpropylene
Semitron ESD 500HR Plastics  
Rulon ® LR  
Rulon ® J  
Rulon ® 641 filled PTFE
Rulon ® AR  

PFA Teflon Plastics

PerFluoroAlkoxy (PFA) offers similar properties to FEP, but is considered more of a premium resin. PFA is preferred when extended service is required in hostile environments involving chemical, thermal, and mechanical stress. PFA offers high melt strength, stability at high processing temperatures, excellent crack and stress resistance, a low coefficient of friction, and more than 10 times the Flex life of FEP.

It has high resistance to creep and retention of properties after service at 500°F (260°C), with useful properties at -320°F (95°C). PFA also meets FDA 21CFR.177.1550.

PFA is used in the same types of applications as those listed above for FEP.

Common PFA tradenames include Daikin Neoflon®, Dupont Teflon®, Hoechst Hostaflon®, and Ausimont Hyflon®.

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 --- ---
Tensile Strength ASTM-D638 psi 3,600
Tensile Elongation ASTM-D638 % 300
Tensile Modulus of Elasticity ASTM-D638 psi ---
Flexural Strength ASTM-D790 psi No break
Flexural Modulus of Elasticity ASTM-D790 psi 85,000
Compressive Strength ASTM-D695 psi ---
Izod Notched Impact ASTM-D256 ft.-lb./in. ---
Rockwell Hardness ASTM-D785 M or R scale ---

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F ---
Max. Continuous Use Temp. Nytef std. °F 500 / 260
Heat Deflection Temp. @ 264 psi ASTM-D648 °F ---
Melting Point ASTM-D3418 °F 582 / 305

Electrical Properties Contact us for a Quote

Properties Test Method Units Results
Dielectric Strength-Short Term ASTM-D149 volts/mil ---
Dielectric Constant @ 60 Hz ASTM-D150    ---
Dielectric Constant @ 106 Hz ASTM-D150    ---
Dissipation Factor @ 60 Hz ASTM-D150    ---
Volume Resistivity ASTM-D257 ohm-cm > 1018

Miscellaneous Properties Contact us for a Quote

Properties Test Method Units Results
Water Absorption/24 hrs. ASTM-D570 % weight < 0.03
Water Absorption @ Saturation ASTM-D570 % weight ---
Flammability UL-94   V-0
Dynamic Coefficient of Friction     ---

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PTFE Teflon Plastics

PTFE's mechanical properties are low compared to other plastics, but its properties remain at a useful level over a wide temperature range of of -100°F to +400°F (-73°C to 204°C). Mechanical properties are often enhanced by adding fillers (see paragraph below). It has excellent thermal and electrical insulation properties and a low coefficient of friction. PTFE is very dense and cannot be melt processed -- it must be compressed and sintered to form useful shapes.

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 --- ---
Tensile Strength ASTM-D638 psi 3,900
Tensile Elongation ASTM-D638 % 300
Tensile Modulus of Elasticity ASTM-D638 psi ---
Flexural Strength ASTM-D790 psi No break
Flexural Modulus of Elasticity ASTM-D790 psi 72,000
Compressive Strength ASTM-D695 psi ---
Izod Notched Impact ASTM-D256 ft.-lb./in. 3.5
Rockwell Hardness ASTM-D785 M or R scale ---

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F ---
Max. Continuous Use Temp. Nytef std. °F 500 / 260
Heat Deflection Temp. @ 264 psi ASTM-D648 °F ---
Melting Point ASTM-D3418 °F 635 / 335

Electrical Properties Contact us for a Quote

Properties Test Method Units Results
Dielectric Strength-Short Term ASTM-D149 volts/mil ---
Dielectric Constant @ 60 Hz ASTM-D150    ---
Dielectric Constant @ 106 Hz ASTM-D150    ---
Dissipation Factor @ 60 Hz ASTM-D150    ---
Volume Resistivity ASTM-D257 ohm-cm > 1018

Miscellaneous Properties Contact us for a Quote

Properties Test Method Units Results
Water Absorption/24 hrs. ASTM-D570 % weight < 0.01
Water Absorption @ Saturation ASTM-D570 % weight ---
Flammability UL-94   V-0
Dynamic Coefficient of Friction     ---

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FEP Teflon Plastics

TetraFluorEthylene-Perfluorpropylene (FEP) is produced by copolymerization of tetrafluoroethylene and hexafluoropropylene. It is a relatively soft thermoplastic with lower tensile strength, wear resistance, and creep resistance than many other engineering plastics. However, it is chemically inert and has a low dielectric constant over a wide frequency range. FEP possesses a very high degree of stress crack resistance, a low coefficient of friction, exceptional dielectric properties, heat resistance, retention of properties after service at 400°F (204°C) with useful properties at -454°F (-270°C), and meets FDA 21CFR.177.1550.

FEP has high transparency (with good transmittance of UltraViolet and visible wavelengths.) It has long term weatherability and excellent resistance to ozone, sunlight and weather. FEP offers the lowest refractive index of all thermoplastics with low light reflection (the same as water.)

Important applications are linings for pipe and chemical processing equipment, roll covers, and numerous wire and cable applications, including aircraft wire, plenum cable, fire alarm cable, and well logging cable. Heat-shrinkable FEP tubing is available. FEP Film is used as glazing in solar energy collectors.

Common FEP tradenames include Daikin Neoflon®, Dupont Teflon®, and Hoechst Hostaflon®.

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 --- ---
Tensile Strength ASTM-D638 psi 3,400
Tensile Elongation ASTM-D638 % 325
Tensile Modulus of Elasticity ASTM-D638 psi ---
Flexural Strength ASTM-D790 psi No break
Flexural Modulus of Elasticity ASTM-D790 psi 85,000
Compressive Strength ASTM-D695 psi ---
Izod Notched Impact ASTM-D256 ft.-lb./in. ---
Rockwell Hardness ASTM-D785 M or R scale ---

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F ---
Max. Continuous Use Temp. Nytef std. °F 400 / 204
Heat Deflection Temp. @ 264 psi ASTM-D648 °F ---
Melting Point ASTM-D3418 °F 500 / 260

Electrical Properties Contact us for a Quote

Properties Test Method Units Results
Dielectric Strength-Short Term ASTM-D149 volts/mil ---
Dielectric Constant @ 60 Hz ASTM-D150    ---
Dielectric Constant @ 106 Hz ASTM-D150    ---
Dissipation Factor @ 60 Hz ASTM-D150    ---
Volume Resistivity ASTM-D257 ohm-cm > 1018

Miscellaneous Properties Contact us for a Quote

Properties Test Method Units Results
Water Absorption/24 hrs. ASTM-D570 % weight < 0.01
Water Absorption @ Saturation ASTM-D570 % weight ---
Flammability UL-94   V-0
Dynamic Coefficient of Friction     ---

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Semitron ESD 500HR Plastics

Semitron® ESd is a family of static dissipative products designed for use where electrical discharge in operation is a problem. They are commonly used for sensitive electronic components including integrated circuits, hard disk drives, and circuit boards. Semitron® products are also an excellent choice for material handling applications, and components in high speed electronic printing and reproducing equipment.

Semitron® ESd products are inherently dissipative. They do not rely on atmospheric phenomena (humidity) to activate, nor are surface treatments used to achieve dissipation. Static electicity is dissipated through these products as readily as it is dissipated along the surface.

Mechanical Properties Contact us for a Quote

Properties Test Method Units Results
Specific Gravity ASTM-D792 --- ---
Tensile Strength ASTM-D638 psi 1,100
Tensile Elongation ASTM-D638 % 10
Tensile Modulus of Elasticity ASTM-D638 psi 300,000
Flexural Strength ASTM-D790 psi 2,200
Flexural Modulus of Elasticity ASTM-D790 psi 500,000
Compressive Strength ASTM-D695 psi 4,000
Izod Notched Impact ASTM-D256 ft.-lb./in. 1.0
Rockwell Hardness ASTM-D785 M or R scale R50

Thermal  Properties Contact us for a Quote

Properties Test Method Units Results
Coef. of Linear Thermal Expansion ASTM-D696 in./in./deg F 5.7
Max. Continuous Use Temp. Nytef std. °F 500 / 260
Heat Deflection Temp. @ 264 psi ASTM-D648 °F 270 / 132
Melting Point ASTM-D3418 °F 621 / 327

Electrical Properties Contact us for a Quote

Properties Test Method Units Results
Dielectric Strength-Short Term ASTM-D149 volts/mil 390
Dielectric Constant @ 60 Hz ASTM-D150    ---
Dielectric Constant @ 106 Hz ASTM-D150    ---
Dissipation Factor @ 60 Hz ASTM-D150    ---
Volume Resistivity ASTM-D257 ohm-cm 1010 - 1012

Miscellaneous Properties Contact us for a Quote

Properties Test Method Units Results
Water Absorption/24 hrs. ASTM-D570 % weight ---
Water Absorption @ Saturation ASTM-D570 % weight 0.03
Flammability UL-94   ---
Dynamic Coefficient of Friction     ---

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Benifits:

  • 185° F Continuous Use Temperature
  • High Strength and Stiffness
  • Excellent Toughness
  • Superior Wear Resistance
  • Low Moisture Absorption
  • Easily Machined and Fabricate

Industries:

  • Food Processing
  • Material Handling Equipment
  • Fluid Handling
  • Electronics Manufacturing
  • Automotive

Applications:

  • Rotary seal rings
  • Thrust washers and discs
  • Bushings
  • Flanged bearings
  • Plungers
  • Printer wire guides
  • Spline couplings
  • Wear strips
  • Valve seats
  • Thermal and electrical insulators
  • Wafer clamping, polishing and grinding rings
  • Wafer guides & carriers • Vacuum pads
  • Die pickup collets
- Let us be your "Just In Time Inventory."

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Phone: 1-877-465-5645 713-465-8918 | Fax: 713-465-5658 | Address: 9426 Old Katy Road Bldg. #7 Houston, TX 77055