Acetal Ertacetal C – Properties and Applications of Acetal Ertacetal C

Acetal Ertacetal C has high hardness and stiffness, with very good mechanical properties. It has excellent creep resistance and dimensional stability, which makes it ideal for machining of precision parts. The co-efficient of friction is low, and the dielectric properties are excellent.

Key Properties of Acetal Ertacetal C

Key properties of Dotmar Acetal Ertacetal C include:

  • High Mechanical Strength
  • Dimensional Stability
  • Excellent Machinability
  • Good creep resistance
  • Very low stick-slip
  • Physiologically inert
  • Low moisture absorption
  • Continuous use at temperature 115° C

Physical Properties of Acetal Ertacetal C

Table 1. Physical properties of Dotmar Acetal Ertacetal C

Property

Value

Specific Gravity
g/cm3

1.41

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

115/110

Tensile Strength

MPa

68

Impact Resistance

Charpy KJ/m2

>150

Impact Resistance

Izod KJ/m2

7

Hardness

Rockwell M

84

Co-efficient of Thermal Expansion

mm/(mmxK) x 10-6
avg value 23-60°C

110

Dielectric Strength

kV/mm

20

Surface Resistivity

Ohms

>1x1013

Flammability

Oxygen Index %

15

Flammability

UL94

HB

FDA Approved

Yes

Applications of Acetal Ertacetal C

Typical applications of Dotmar Acetal Ertacetal C include:

  • Precision Gears
  • Bearings with close tolerance
  • Electrical Engineering insulations
  • Snapfit assemblies
  • Parts which operate in water up to 90 °C

Available Forms of Acetal Ertacetal C

Table 2. Summary of the forms that Dotmar Acetal Ertacetal C can be delivered.

Form

Sizes

Acetal Sheet

Thickness: 1 - 50 mm

Sizes: 1000 x 610, 2000 x 1000 mm

Sizes: 3000 x 610

Acetal Rod

Outside Diameter: 6 - 150 mm

Acetal Tube

Outside Diameter: 20 - 250 mm

Acetal Tape Rolls

Thickness: 0.5 - 0.8 mm

Machined Acetal Parts

Source: Dotmar Engineering Plastic Products

For more information on this source please visit Dotmar.

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