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2024
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01
Custom-molded-o-rings
Compression Molded and Continuous Molded O-rings
Custom molded O-rings are recommended when non-standard size O-rings are required but do not fit well into standard AS568, common metric sizes, or are very large.
A full range of non-standard O-ring sizes can be customized by die-molding and continuous molding.
Compression-formed O-rings are suitable for both static and dynamic applications. Compression molding is preferred when a large number of small and non-standard sizes are required.Continuous molded O-rings are an excellent sealing choice for large, non-standard size dynamic applications. Our continuous molding process requires no tools and can handle almost any inner diameter. It is also the best choice for a small number of dynamic O-rings, which are not large enough to warrant cutting with a tool.
Continuous molded O-rings are available for dynamic and static applications as well as high pressure and vacuum environments. Continuous molded O-rings can be produced in a variety of material, hardness, bore and cross section combinations.
Comparison between custom O-ring technologies
The performance of continuous forming is similar to compression forming and is suitable for both static and dynamic applications. For the right amount of large diameter O-rings, continuous molding is the best choice because there is no mold cost. Compression molding requires molds, but is ideal when producing large numbers of O-rings. Vulcanized O-rings can be produced in a matter of hours, without tools, and are best suited for static conditions.
|
property |
Continuous |
Compression |
vulcanization |
|
Tensile strength |
excellent |
excellent |
good |
|
Delivery time |
2W |
4W |
Next day |
|
Tool cost |
without |
yes |
without |
|
Dynamic/static |
both |
both |
static |
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