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Grade: DX845
Formula: PMP TPX®
Form: Granule
Material: Polymethylpentene (PMP, TPX®)
Commodity: Polymers
Nominal Granule Size:
3mm
DX845 PMP Granules feature high modulus and low density with superior releasability, tailored for demanding industrial environments. This grade is widely adopted in the rubber, automotive, and synthetic leather sectors, particularly for rubber hose mandrels and processing aids. Its specific uses include flexible mandrel production, synthetic sheet release liners, and precision form tooling. Its robust thermal and chemical stability enables reliable performance in high-cycle manufacturing processes. DX845 is essential to improving mold-release consistency and is valued for its contribution to modern rubber processing technologies and functional material research. This material is trusted for its performance consistency, offering engineers and researchers a dependable solution in environments where thermal and chemical stability are critical. Its ability to withstand high processing temperatures and its compatibility with modern manufacturing techniques make it a standout choice across multiple sectors. TPX™ materials like this grade continue to drive progress in lightweight polymers, replacing heavier alternatives without compromising performance.
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
-
MX004 PMP Rod Grade: MX004
Formula: TPX®
Diameter: 50mm
Length: 1000mm
Colour: Natural
UOM Code: 026-650-87
eachStarting at $199.00
Discounts applied for volume purchases -
each
Starting at $104.00
Discounts applied for volume purchases -
Yttria-stabilized Zirconia Granules Formula: ZrO₂/Y₂O₃
Nominal Granule Size: 2mm
Weight: 500g
Stabilised With: 8% Yttria
CAS Number: 114168-16-0
UOM Code: 254-458-97
eachStarting at $176.00
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 $89.00
Discounts applied for volume purchases -
RT31 PMP Rod Grade: RT31
Formula: TPX®
Diameter: 50mm
Length: 1000mm
Colour: Natural
UOM Code: 146-912-81
eachStarting at $335.00
Discounts applied for volume purchases -
VICTREX® PEEK 450G PEEK Granules Grade: VICTREX® PEEK 450G
Formula: PEEK
Weight: 200g
Type: Injection Moulding
CAS Number: 29658-26-2
UOM Code: 040-981-68
eachStarting at $182.00
Discounts applied for volume purchases
