ASTM D3147 – Standard Test Method for Testing Stop-Leak Additives for Engine Coolants
Significance and Use
5.1 The screening procedures simulate the conditions of temperature, pressure, and circulation encountered in service. This test method will indicate whether a product is suitable for further evaluation in vehicles.
1.1 This test method covers screening procedures for the preliminary evaluation of leak-stopping materials intended for use in engine cooling systems. (Heavy-duty users are referred to X1.2.21 in Specification D4485 for additional information.)
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.