Polyester PETP Ertalyte – Properties and Applications of Polyester PETP Ertalyte from Dotmar

Topics Covered

Background

Key Properties of Polyester PETP Ertalyte

Physical Properties of Polyester PETP Ertalyte

Applications of Polyester PETP Ertalyte

Available Forms

Background

The specific properties of this virgin crystalline PET make it specially suited for the manufacture of mechanical precision parts which have to sustain high loads and/or are subject to wear.

Key Properties of Polyester PETP Ertalyte

Key properties of Dotmar Polyester PETP Ertalyte include:

         High mechanical strength, stiffness & hardness

         Very good creep resistance

         Excellent wear resistance (comparable or even better than Nylon grades)

         Very good dimensional stability (better than polyacetal)

         Excellent stain resistance

         Better resistance to acids than nylon and polyacetal.

         Good electrical insulating properties

         Physiologically inert (suitable for food contact)

         Good resistance to high energy radiation (Gamma and X-rays)

Physical Properties of Polyester PETP Ertalyte

Table 1. Physical properties of Dotmar Polyester PETP Ertalyte

Property

Value

Specific Gravity
g/cm3

1.39

Continuous Operating Temperature
°C - 5,000Hrs / 20,000Hrs

115/100

Tensile Strength

MPa

90

Impact Resistance

Charpy KJ/m2

>50

Impact Resistance

Izod KJ/m2

2

Hardness

Rockwell M

96

Co-efficient of Thermal Expansion

mm/(mmxK) x 10-6
avg value 23-60°C

60

Dielectric Strength

kV/mm

22

Surface Resistivity

Ohms

1x1014

Flammability

Oxygen Index %

25

Flammability

UL94

HB

FDA Approved

Yes

Applications of Polyester PETP Ertalyte

Typical applications of Dotmar Polyester PETP Ertalyte include:

         Precision gears and bearings

         Thrust washers

         Pump components

         Slideways

         Components for mechanisms of precisions 

Available Forms

Table 2. Summary of the forms that Dotmar Polester PETP can be delivered.

Form

Sizes

Polyester Sheet

Thickness: 2 - 50 mm

Sizes: 1000 x 610, 2000 x 610 mm

Sizes: 3000 x 610

Polyester Rod

Outside Diameter: 12 - 200 mm

Polyester Tube

Outside Diameter: 20 - 180 mm

Machined Poyester Parts

 

 

Source: Dotmar Engineering Plastic Products

 

For more information on this source please visit Dotmar

 

Date Added: Mar 10, 2008 | Updated: Jun 11, 2013
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