Acetal Ertacetal C – Properties and Applications of Acetal Ertacetal C

Sponsored by Dotmar EPP Pty LtdMar 13 2008

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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