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standard by International Organization for Standardization, 09/01/2013
ISO 4548-13:2013 specifies a method of testing full-flow lubricating oil filters for internal combustion engines to determine their ability to withstand a static pressure objective at high and cold temperatures and to determine their burst pressure and the failure mode.
It applies to all oil filters, for example spin-on ones and filters made of temperature sensitive materials.
It applies to new filters and filters returned from endurance tests.