Ertacetal
is one of the most widely used and most versatile of the Dotmar
engineering plastics.
It has seen such widespread and varied use
in so many industries for very good reason.
Almost every machine builder and manufacturer
has at some time called and asked for information on "that
hard white plastic".
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Ertacetal Properties can best be characterized
as follows:
- High hardness and stiffness
- It is strong with good mechanical properties
- Good chemical resistance
- Good electrical insulating properties
- Excellent creep resistance and dimensional stability
- Excellent bearing material:
- low coefficient of friction
- low stick & slip characteristics
- Good wear properties in both wet and dry conditions
- Natural Ertacetal is FDA compliant for direct food
contact
- Excellent machinability
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Uses of Ertacetal:
Bearings, bushings, gears, wear pads, rollers, components.
It shows up in virtually every type of
industrial machinery including food processing equipment,
packaging machinery, and analytical equipment. It’s
also widely used by the chemical processing and water processing
industries for valves, seals, fittings and manifolds since
it has better chemical and corrosion resistance than many
metals.
Ertacetal Compared to Other Engineering
Plastics:
Many engineering plastics are known for a single special property.
The appeal of Ertacetal is that it offers a good balance of
properties. The following comparisons highlight some of Ertacetal’s
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Ertacetal Compared to Other Mechanical Plastics:
ERTACETAL V UHMW-PE
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Advantages:
1. Ertacetal is stronger and stiffer than UHMW PE, particularly
at elevated temperatures.
2. It is easier to machine to high tolerances since the coefficient
of thermal expansion is half of UHMW-PE.
• Disadvantages:
It lacks the impact resistance of UHMW-PE.
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| ERTACETAL V CAST
NYLON
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Advantages:
1. Ertacetal is 2-3 times tougher than cast nylon so it may
be a better choice for applications where parts will experience
impact.
2. Ertacetal also has better wear resistance than nylon in wet
bearing applications.
• Disadvantages:
Ertacetal bearings will wear out faster than nylon in dry bearing
environments.
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