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Where Do I Start?
Two properties more than any other are dependent on the choice of rubber type - temperature range and fluid resistance. To a lesser degree, long-term weather and ozone resistance are also affected by the type chosen and this should be borne in mind if relevant.
To select the most suitable rubber the following information is required:
a) What is the highest temperature likely to be
encountered in service?
b) What is the highest temperature at which continuous
service will be required?
c) What is the lowest temperature at which the
component must remain operable?
d) What fluids will be encountered in service and at what
temperature?
e) Is the frequency of contact with the fluid continuous,
intermittent, or very occasional (e.g. accidental
contamination)?
f) Is long-term weather or ozone resistance an
important factor?
Harboro can also offer advice and clarification if resistance to specific fluids is required. The company has detailed records and will carry out swell tests with the relevant fluid free of charge to establish a suitable rubber.
When a suitable rubber has been chosen, refer to the more detailed information contained in the DATA CHART to check the suitability of the rubber for all aspects of the application.
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