Metaspec manufactures test specimens required by Specification ASTM D4485, which covers the performance of active API service category engine oils. These engine oils are used in light-duty and heavy-duty internal combustion engines in automobiles, trucks, vans, buses, and off-highway farm, industrial, and construction equipment.
The following is a list of tests in Specification ASTM D4485 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.