Materials Characterization Services
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ASTM D2668 – Standard Test Method for 2,6-di-tert-Butyl- p-Cresol and 2,6-di-tert-Butyl Phenol in Electrical Insulating Oil by Infrared Absorption Description: Significance and Use 3.1 The quantitative determination of 2,6-ditertiary-butyl paracresol and 2,6-ditertiary-butyl phenol in a new electrical insulating oil measures the amount of this material that has been added to the oil as protection against oxidation. …
ASTM D2663 – Standard Test Methods for Carbon Black—Dispersion in Rubber Description: Significance and Use 5.1 Visual dispersion ratings correlate with certain important physical properties of the compound. A rating of 5 indicates a state of dispersion developing near maximum properties, while a rating of 1 would indicate a state of dispersion developing considerably depressed properties. …
ASTM D2654 – Standard Test Methods for Moisture in Textiles Description: Significance and Use 5.1 Test Methods D2654, Procedure 1, is used in the trade as a basis for rejecting abnormally wet material, but it is not recommended for routine acceptance testing of commercial shipment. Procedure 2 is used by the trade and is recommended for acceptance …
ASTM D2652 – Standard Terminology Relating to Activated Carbon Description: Significance and Use 2.1 This terminology ensures that terms peculiar to activated carbon are adequately defined so that other standards in which such terms are used can be understood and interpreted properly. 2.2 This terminology is useful to those who are not conversant with the terms related …
ASTM D2650 – Standard Test Method for Chemical Composition of Gases by Mass Spectrometry Description: Significance and Use 5.1 A knowledge of the composition of refinery gases is useful in diagnosing the source of plant upsets, in determining the suitability of certain gas streams for use as fuel, or as feedstocks for polymerization and alkylation, and …
ASTM D2646 – Standard Guide for Backing Fabric Characteristics of Pile Yarn Floor Coverings Description: Significance and Use 5.1 These test methods may be used for acceptance testing of commercial shipments; however, caution is advised because information about between interlaboratory precision is incomplete. Comparative tests as directed in 5.1.1 may be advisable. 5.1.1 If there are differences of practical …
ASTM D2638 – Standard Test Method for Real Density of Calcined Petroleum Coke by Helium Pycnometer Description: Significance and Use 5.1 The real density of calcined petroleum coke directly influences the physical and chemical properties of the manufactured carbon and graphite artifacts for which it is used. Density, therefore, is a major quality specification of calcined …
ASTM D2632 – Standard Test Method for Rubber Property—Resilience by Vertical Rebound Description: Significance and Use 4.1 Resilience is a function of both dynamic modulus and internal friction of a rubber. It is very sensitive to temperature changes and to depth of penetration of the plunger. Consequently, resilience values from one type of rebound instrument may …
ASTM D2626 – Standard Specification for Asphalt-Saturated and Coated Organic Felt Base Sheet Used in Roofing Description: Abstract This specification covers the standard for asphalt-saturated and coated organic felt base sheet with mineral surfacing on the top side, with or without perforations. These sheets are proposed for use as the first ply of a built-up …
ASTM D2625 – Standard Test Method for Endurance (Wear) Life and Load-Carrying Capacity of Solid Film Lubricants (Falex Pin and Vee Method) Description: Significance and Use 5.1 This test method differentiates between bonded solid lubricants with respect to their wear life and load-carrying capacity. If the test conditions are changed, wear life may change and relative …
