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ASTM D4892 – Standard Test Method for Density of Solid Pitch (Helium Pycnometer Method) Description: Significance and Use 5.1 This test method is useful in characterizing pitches as one element in establishing uniformity of shipments and sources of supply. With this method, the density is determined to two decimal places, which is sufficient for most applications. …
ASTM D4888 – Standard Test Method for Water Vapor in Natural Gas Using Length-of-Stain Detector Tubes Description: Significance and Use 5.1 The measurement of water vapor in natural gas is important because of the gas quality specifications, the corrosive nature of water vapor on pipeline materials, and the effects of water vapor on utilization equipment. 5.2 This …
ASTM D4883 – Standard Test Method for Density of Polyethylene by the Ultrasound Technique Description: Significance and Use 4.1 The density of polyethylene is a conveniently measurable property which is frequently useful as a means of following physical changes in a sample, as an indication of uniformity among samples, and as a means of identification. 4.2 This …
ASTM D4878 – Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Polyols Description: Significance and Use 4.1 These test methods are suitable for research or as quality control or specification tests. 4.2 Viscosity measures the resistance of a fluid to uniformly continuous flow without turbulence or other forces. Scope 1.1 These test methods (A and …
ASTM D4870 – Standard Test Method for Determination of Total Sediment in Residual Fuels Description: Significance and Use 5.1 Appreciable amounts of sediment in a residual fuel oil can cause fouling of facilities for handling, and give problems in burner mechanisms. Sediment can accumulate in storage tanks, on filter screens, or on burner parts, resulting in …
ASTM D4869 – Standard Specification for Asphalt-Saturated Organic Felt Underlayment Used in Steep Slope Roofing Description: Abstract This specification covers asphalt-saturated organic felt for use as an underlayment in steep slope roofing. The objective of this specification is to provide a finished product that will lie flat and resist wrinkling, puckering, and shrinking when left …
ASTM D4865 – Standard Guide for Generation and Dissipation of Static Electricity in Petroleum Fuel Systems Description: Significance and Use 4.1 Pumping, filtering, and tank filling of petroleum products, particularly refined distillates, can cause the generation and accumulation of electrostatic charges and can result in static discharges capable of causing fires and explosions. This guide provides …
ASTM D4860 – Standard Test Method for Free Water and Particulate Contamination in Middle Distillate Fuels (Clear and Bright Numerical Rating) Description: Significance and Use 5.1 The test provides a field test to evaluate visually a fuel sample for particulate matter and free water similar to Test Method D4176 plus a numerical rating for free water. High numerical …
ASTM D4857 – Standard Test Method for Determination of the Ability of Lubricants to Minimize Ring Sticking and Piston Deposits in Two-Stroke-Cycle Gasoline Engines Other Than Outboards (Withdrawn 2021) Description: Significance and Use 5.1 This test method is primarily intended for the evaluation of lubricants for use in two-stroke-cycle engines of high specific output. Note 1—If …
ASTM D4850 – Standard Terminology Relating to Fabrics and Fabric Test Methods Description: Scope 1.1 This terminology covers definitions of technical terms used in the industry related to textile fabrics. Terms that are generally understood or adequately defined in other readily available sources are not included. Other terminology standards that have terms related to textile fabrics …
