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Formula: PTFE
Form: Bar
Material: Polytetrafluoroethylene (PTFE)
CAS Number: 9002-84-0
Commodity: Polymers
Side Length:
12.6mm
Side Length (Of Longer Side):
4.7mm
Goodfellow’s PTFE Bar is available in 8 variations for a choice of dimensions to suit different applications. Known for properties like low friction, chemical resistance and a high melting point, PTFE Bars have uses across science and industry - from bearings and seals to chemical processing equipment and non-stick coatings. Whether for experimental or large-scale production, our PTFE Bars provide the high-quality fluoropolymer performance you need.
Tolerances
Bar
| Side Length | =<10mm | ±10% |
|---|---|---|
| Side Length | >10mm | ±1mm |
| Side Length (Of Longer Side) | >10mm | ±1mm |
| Side Length (Of Longer Side) | =<10mm | ±10% |
| Length | <100mm | ±1mm |
| Length | >=100mm | +5% / -1% |
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good |
| Halogens | Good |
| Ketones | Good |
Mechanical Properties
| Element | Value |
|---|---|
| Coefficient of friction | 0.05-0.2 |
| Hardness - Rockwell | D50-55 - Shore |
| Poisson's ratio | 0.46 |
| Elongation at break( % ) | 400 |
| Tensile modulus( GPa ) | 0.3-0.8 |
| Izod impact strength( J m⁻¹ ) | 160 |
| Tensile strength( MPa ) | Oct-40 |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 2-2.1 |
| Dissipation factor @ 1MHz | 0.0003-0.0007 |
| Dielectric strength( kV mm⁻¹ ) | 50-170 |
| Surface resistivity( Ohm/sq ) | 10¹⁷ |
| Volume resistivity( Ohmcm ) | 10¹⁸-10¹⁹ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | V0 |
| Radiation resistance | Poor |
| Refractive index | 1.38 |
| Resistance to Ultra-violet | Excellent |
| Limiting oxygen index( % ) | 95 |
| Water absorption - over 24 hours( % ) | 0.01 |
| Density( gcm⁻³ ) | 2.2 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 120 |
| Heat-deflection temperature - 1.8MPa( C ) | 54 |
| Lower working temperature( C ) | -260 |
| Upper working temperature( C ) | 180-260 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1000 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.25@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 100-160 |
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Titanium Bar Formula: Ti
Percentage Purity: 99.6%
Side Length: 10mm
Side Length (Of Longer Side): 12mm
Length: 100mm
CAS Number: 7440-32-6
UOM Code: 024-847-27
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Shape-Memory Alloy Magnetic Shape Memory Alloy Bar (Ni50/Mn28/Ga22 (Atomic %)) Grade: Shape-Memory Alloy
Formula: Ni50/Mn28/Ga22 (Atomic %)
Side Length: 1mm
Side Length (Of Longer Side): 2.5mm
Length: 20mm
UOM Code: 606-453-59
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PTFE Powder Formula: PTFE
Mean Particle Size: 20µm
Weight: 2000g
CAS Number: 9002-84-0
UOM Code: 114-682-35
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PTFE Film Formula: PTFE
Thickness: 0.01mm
Length 1: 100mm
Length 2: 100mm
Production Method: Cast
CAS Number: 9002-84-0
UOM Code: 007-751-22
eachStarting at $144.94
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PTFE Tube Formula: PTFE
Outside Diameter: 9.25mm
Wall Thickness: 0.375mm
Inside Diameter: 8.5mm
Length: 1000mm
CAS Number: 9002-84-0
UOM Code: 013-311-65
eachStarting at $166.71
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