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  • ASTM D3829 Predicting the Borderline Pumping Temperature of Engine Oil ASTM D3829 Predicting the Borderline Pumping Temperature of Engine Oil6. Apparatus6.1 Mini-Rotary Viscometer, consisting of one or more viscometric cells including a calibrated rotor-stator assembly, which are contained in a temperature-controlled aluminum block.6.1.1 The viscometric cell has the following ...
  • ASTM D3829 Predicting the Borderline Pumping Temperature of Engine Oil ASTM D3829 Predicting the Borderline Pumping Temperature of Engine Oil4. Summary of Test Method4.1 An engine oil sample is cooled from 80 °C to the desired test temperature at a nonlinear programmed cooling rate over a 10 h period and held at the test temperature for the remainder of a 16 h period. ...
  • ASTM D3829 Predicting the Borderline Pumping Temperature of Engine Oil ASTM D3829 Predicting the Borderline Pumping Temperature of Engine Oil1. Scope1.1 This test method covers the prediction of the borderline pumping temperature (BPT) of engine oils through the use of a 16 h cooling cycle over the temperature range from 0 °C to -40 °C. The precision is stated for temperatures ...
  • ASTM D4652 Specification for Silicone Fluid Used for Electrical Insulation ASTM D4652 Specification for Silicone Fluid Used for Electrical Insulation4. Sampling and Testing4.1 Take all samples in accordance with Methods D923.4.2 Test in accordance with the methods specified in Table 1.NOTE 1 - Because of the different needs of the various users, items relating to packaging, ...
  • ASTM D4652 Specification for Silicone Fluid Used for Electrical Insulation ASTM D4652 Specification for Silicone Fluid Used for Electrical Insulation1. Scope1.1 This specification covers silicone fluid for use in transformers, capacitors, and electronic assemblies as an insulating or cooling medium, or both.1.2 Silicone fluid covered by this specification is polydimethylsiloxane ...
  • ASTM D2225 Test Methods for Silicone Fluids Used for Electrical Insulation ASTM D2225 Test Methods for Silicone Fluids Used for Electrical Insulation21. Report21.1 The report shall consist of the separate reports detailed in the specific methods used.22. Precision and Bias22.1 Use the precision and bias statements for each referenced method.23. Keywords23.1 electrical insulating ...
  • ASTM D2225 Test Methods for Silicone Fluids Used for Electrical Insulation ASTM D2225 Test Methods for Silicone Fluids Used for Electrical InsulationCOMPATIBILITY TESTING20. Compatibility20.1 Significance - It is very important to know how other construction materials will affect silicone liquid or the converse.20.1.1 Incompatibility of the silicone fluid with the materials ...
  • ASTM D2225 Test Methods for Silicone Fluids Used for Electrical Insulation ASTM D2225 Test Methods for Silicone Fluids Used for Electrical InsulationELECTRICAL METHODS16. Relative Permittivity (Dielectric Constant)16.1 Significance - Silicone insulating fluids are used to insulate components of an electrical network from each other and from ground. For this use, it is generally ...
  • ASTM D2225 Test Methods for Silicone Fluids Used for Electrical Insulation ASTM D2225 Test Methods for Silicone Fluids Used for Electrical InsulationCHEMICAL METHODS14. Neutralization Number14.1 Significance - In the inspection of unused silicone fluids, the neutralization number is of importance as a quality index of purity. Properly refined silicone fluids are free from mineral ...
  • ASTM D2225 Test Methods for Silicone Fluids Used for Electrical Insulation ASTM D2225 Test Methods for Silicone Fluids Used for Electrical InsulationPHYSICAL METHODS6. Color6.1 Significance - The chief significance of color as applied to silicone fluid lies in the fact that if the fluid is colored, some degree of contamination exists that may affect the physical, chemical, ...