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Grade: RT18
Formula: PMP TPX®
Form: Disk
Material: Polymethylpentene (PMP, TPX™)
Commodity: Polymers
Production Method:
Compression Moulded
Color:
Natural
RT18 PMP disks are part of Goodfellow's extensive range of thermoplastic disks. Available in 2 variations, they’re made of polymethylpentene (PMP), a lightweight thermoplastic polymer known for its high impact strength, chemical resistance and ability to withstand extreme temperatures. These disks are often used in medical devices, food processing equipment and chemical plant components that require durability, corrosion resistance and the ability to withstand sterilization. With their versatile properties, RT18 PMP disks meet the needs of various industrial applications.
Tolerances
Disk
| Thickness | ±20% |
|---|
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good-Fair |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good |
| Aromatic hydrocarbons | Fair-Poor |
| Greases and Oils | Good-Fair |
| Halogenated Hydrocarbons | Fair-Poor |
| Halogens | Fair-Poor |
| Ketones | Good-Fair |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 2.12 |
| Dissipation factor @ 1kHz | 0.0002 |
| Volume resistivity( Ohmcm ) | >10¹⁶ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | HB |
| Refractive index | 1.463 |
| Resistance to Ultra-violet | Poor |
| Limiting oxygen index( % ) | 17 |
| Water absorption - over 24 hours( % ) | 0.01 |
| Density( gcm⁻³ ) | 0.835 |
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Rockwell | R85 |
| Elongation at break( % ) | 15 |
| Tensile modulus( GPa ) | 1.5 |
| Izod impact strength( J m⁻¹ ) | 49 |
| Tensile strength( MPa ) | 25.5 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 100 |
| Heat-deflection temperature - 1.8MPa( C ) | 40 |
| Lower working temperature( C ) | 20 |
| Upper working temperature( C ) | 75-115 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 2000 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.17@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 117 |
Other Customers Purchased
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RT31 PMP Rod Grade: RT31
Formula: TPX®
Diameter: 50mm
Length: 1000mm
Colour: Natural
UOM Code: 146-912-81
eachStarting at $281.59
Discounts applied for volume purchases -
MX002 PMP Film Grade: MX002
Formula: TPX®
Thickness: 5mm
Length 1: 344mm
Length 2: 344mm
Production Method: Compression Moulded
Colour: Natural
UOM Code: 165-747-11
eachStarting at $134.13
Discounts applied for volume purchases -
RT18 PMP Rod Grade: RT18
Formula: TPX®
Diameter: 6.35mm
Length: 1000mm
Colour: Natural
UOM Code: 009-728-62
eachStarting at $74.11
Discounts applied for volume purchases -
RT18 PMP Film Grade: RT18
Formula: TPX®
Thickness: 3mm
Length 1: 100mm
Length 2: 100mm
Production Method: Compression Moulded
Transparency: Transparent
Colour: Clear
UOM Code: 751-453-42
eachStarting at $125.48
Discounts applied for volume purchases -
MX004 PMP Film Grade: MX004
Formula: TPX®
Thickness: 0.05mm
Length 1: 100mm
Length 2: 100mm
Surface Finish: Matt/Gloss
Colour: Natural
UOM Code: 444-469-12
eachStarting at $92.54
Discounts applied for volume purchases -
PMP Film Formula: TPX®
Thickness: 28mm
Length 1: 100mm
Length 2: 100mm
Production Method: Extruded
UOM Code: 776-863-19
eachStarting at $144.93
Discounts applied for volume purchases
