Metaspec manufactures test specimens required by Specification ASTM D4304, which covers mineral oils used in steam and gas turbine lubrication systems where the performance requirements demand a highly refined mineral base oil.
The following is a list of tests in Specification ASTM D4304 that require test specimens. Some of these tests may be customized for this specification. Click on the test method number for more information about specimens required for each test.
To learn more about this specification, click HERE.