PET-P | CutWise

PET-P (Polyethylene Terephthalate)

Plastic

PET-P, also known as hard PET, is a strong, dimensionally stable engineering plastic with excellent sliding and wear properties. The material is particularly suitable for precision components that deform very little, even under prolonged load. PET-P is wear-resistant, moisture-resistant, and easily machinable, making it widely used in technical applications where dimensional accuracy is crucial.
Well-known trade names for PET-P include Ertalyte®, Arnite®, Sustodur®, and Tecapet®. These high-quality PET plastics are often used in machine building and the food industry.

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Properties of PET-P

High dimensional stability and accuracy
Low coefficient of friction and good wear resistance
High mechanical strength and stiffness
Resistant to moisture and hydrolysis
Good chemical resistance to oils, fats, and solvents
Food-safe (FDA-compliant for certain grades)
Low creep, even under continuous load
Good electrical insulating properties
Easy to machine and finish

Thanks to this balance of mechanical strength, stability, and machinability, PET-P is a popular choice for precise, wear-resistant components in demanding industrial applications.

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Technical properties of PET-P

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Product information and operations

Thickness	Dimensions	Color
3 mm	2000x1000 mm	Natural
4 mm	2000x1000 mm	Natural
5 mm	2000x1000 mm	Natural
6 mm	2000x1000 mm	Natural
8 mm	3000x620 mm	Natural
10 mm	3000x610 mm	Natural Black
12 mm	3000x620 mm	Natural
16 mm	3000x610 mm	Natural Black
20 mm	3000x610 mm	Natural Black
25 mm	3000x610 mm	Natural Black
30 mm	3000x620 mm	Natural Black
35 mm	3000x620 mm	Natural
40 mm	3000x620 mm	Natural Black

Technical properties

General

Density 1,38 g/cm³

Moisture absorption under normal climate 0,2 %

Fire Behavior HB

Specific Heat Capacity 1,05 kj/Kg°C

Temperature Range

Minimum Service Temperature -20°C

Maximum Service Temperature +115°C

Mechanical

Tensile Strength 90 N/mm²

Elongation at Break 20 %

E-Modulus 3000 N/mm²

Flexural Strength 145 N/mm²

Impact Strength 2 Charpy

Shore or Ball Indentation Hardness 84 Shore °D

Coefficient of Friction 0,22

Electrical

Relative Permittivity (Dielectric Constant) 3,4 / 100 Hz

Dissipation Factor (Dielectric Loss Factor) 0,02 / tan(δ) x10⁻³

Volume Resistivity 10 / 16 Ω cm

Surface Resistivity 10 / 13 Ω

Comparative Tracking Index (CTI) 125 KC

Dielectric Strength 20 kV/mm

Thermal

Crystalline Melting Point 255 °C

Thermal Conductivity 0,28 W/m°K

Linear Thermal Expansion Coefficient 0,06 mm/m°C

Continuous Service Temperature (Unloaded, Long-Term) -20 / 115 °C

Maximum Service Temperature (Short-Term) 160 °C

Maximum Service Temperature (Short-Term) 80 °C

Applications of PET-P

Precision guides and sliding parts in machinery

Gears and rollers for conveyor systems

Components in the food industry

Insulators in electrical equipment

Seals and wear plates

Guide stars and bottle neck guides

Parts for medical devices

Spacers and fastening elements in electronics

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Frequently Asked Questions about PET-P

How does PET-P differ from standard PET?

PET-P is a technically optimized grade with higher dimensional stability and wear resistance than standard PET, which is commonly used for packaging.

Is PET-P suitable for food-contact applications?

Yes, many PET-P grades (e.g., Ertalyte®) are FDA-certified and safe for food contact.

Can PET-P be milled or machined?

Absolutely, PET-P machines exceptionally well, yielding minimal stresses and high dimensional accuracy.

How moisture-resistant is PET-P?

PET-P has low moisture absorption and retains its mechanical properties even in humid environments.

What are alternatives to PET-P?

For higher-temperature use: PEEK. For lower cost with slightly less stability: POM.

Is PET-P electrically insulating?

Yes, it boasts good dielectric properties and is often used as an electrical insulator.

Can PET-P be used outdoors?

Prolonged UV exposure can cause discoloration and aging. For exterior use, choose UV-stabilized grades.

What are the most common PET-P uses?

Precision machine parts such as sliding blocks, bearings, and gears where wear resistance and stability are critical.

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Material HB Title

PET-P LASER CUTTING OR MILLING

PET-P (Polyethylene Terephthalate)

Properties of PET-P