1.1 This test method covers the determination of pour point of petroleum products by an automatic apparatus that applies a slightly positive air pressure onto the specimen surface while the specimen is being cooled.
1.2 This test method is designed to cover the range of temperatures from ???57 to +51??C; however, the range of temperatures included in the (1998) interlaboratory test program only covered the temperature range from ???51 to ???11??C.
1.3 Test results from this test method can be determined at either 1 or 3??C testing intervals.
1.4 This test method is not intended for use with crude oils.