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Product Dimension

Sizes & Tolerances

Fraction Inches Decimals Inches Inches Milimiters Milimiters
Under 1/32" Under 0.031 0.01 1 +/- 0.1
1/32" to but not including 1/16" 0.031 to 0.062 0.012 2 +/- 0.2
1/16" to but not including 1/8" 0.062 to 0.125 0.016 3 +/- 0.3
1/8" to but not including 3/16" 0.125 to 0.187 0.02 5 +/- 0.5
3/16" to but not including 3/8" 0.187 to 0.375 0.031 10 +/- 1.0
3/8" to but not including 9/16" 0.375 to 0.562 0.047 15 +/- 1.4
9/16" to but not including 3/4" 0.562 to 0.750 0.062 20 +/- 1.5
3/4" to but not including 1" 0.750 to 1.000 0.094 25 +/-10%
1" and over 1.000 and over 10% 30/40/50 +/-10%
Width Tolerances +/- 2%
Length Tolerances +/- 2%

Polymer selection criteria

Application Natural Rubber / SBR Chloroprene Nitrile EPDM Butyl CSM Silicone FKM
Petrol Poor Poor Good Poor Poor Poor Poor Excellent
Lubricating Oils Poor Fair Good Poor Poor Fair Good Excellent
Acids Fair Fair Good Excellent Excellent Excellent Fair Good
Alkali Fair Fair Fair Good Excellent Excellent Fair Fair
Hydraulic Phosphates Poor Poor Poor Good Good Fair Good Poor
Fluid Silicates Poor Good Good Fair Fair Good Poor Good
Abrasion Resistance Excellent Good Good Good Good Good Fair Good
Tear Strength Good Good Good Fair Good Fair Poor Fair
Impact Resistance Excellent Good Fair Good Good Good Fair Fair
Resilience Excellent Good Good Good Fair Good Poor Fair
Impermeable to Gases Fair Good Good Good Excellent Excellent Poor Excellent
Compression Set Good Good Good Fair Fair Fair Good Good

Please Note

The information, figures, calculations, test values, and data contained in this page - which we use to best advise our customers - correspond to current engineering standards. This data is the result of many years of tests and trials. As individual operating conditions influence the application of each sheet, the information on this site can only be used as a rough guideline. In the individual case, it is the sole responsibility of the customer to evaluate requirements, in particular, if specified properties are sufficient for use.

Our qualified engineers are available to discuss difficult problems with you.
As we cannot have any influence over how our products are used, they are used entirely at the users’ own risk. We do of course guarantee the quality of our products according to general sales conditions, available on request. Subject to change and error. The mentioned properties are guiding values.