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This practice, designated D3016-97 (Reapproved 2018), standardizes the terms and relationships used in Liquid Exclusion Chromatography (LEC). As detailed in the standard, LEC began as “gel filtration chromatography” (attributed to Porath and Flodin) and evolved into “gel permeation chromatography” (GPC,…
🧪 Scope and Material Composition This specification, designated ASTM D3013-13 (Reapproved 2021), establishes the requirements for epoxy thermosetting molding compounds. These compounds are complex blends consisting of epoxy resins and curing agents intimately combined in an unreacted or partially reacted…
🧪 Scope and Purpose of D3014-19 ASTM D3014-19 is a fire-test-response standard that describes a small-scale laboratory screening procedure. It is specifically designed to compare the relative burning characteristics of rigid thermoset cellular plastics. The standard measures three critical parameters:…
📐 Specimen Preparation and Geometry This test method evaluates the resistance of polypropylene to accelerated thermal aging using molded specimens. The test plaques are typically prepared in accordance with Practice D3641 (Injection Molding Test Specimens of Thermoplastic Molding and Extrusion…
🧪 Material Composition and Tape Construction ASTM D3006-10 specifies a pressure-sensitive electrical insulating tape constructed with a polyethylene plastic film backing. As defined in Section 4, the backing must be “smooth and uniform” with “straight and unbroken” edges, ensuring consistent…
📐 Sampling and Sample Preparation The standard outlines specific sampling procedures for soluble cellulose nitrate. Samples must be taken from no less than 10% of the barrels in each lot, with a minimum of two barrels. Two samples of approximately…
📐 Scope and Terminology ASTM D3004-08 covers crosslinked and thermoplastic extruded semi-conducting, conductor, and insulation shielding materials for electrical wires and cables. This standard requires that materials are sampled from the cable to account for processing influences on electrical properties.…
📐 Scope and Classification of Low-Temperature Tapes ASTM D3005-24 defines the material and performance requirements for pressure-sensitive electrical insulating tapes designed specifically for low-temperature service. This specification covers vinyl chloride plastic backing tapes rated for applications down to approximately -18…
ASTM D3002-07, under the jurisdiction of Committee D01 on Paint and Related Coatings and Subcommittee D01.55 on Factory Applied Coatings, serves as a comprehensive standard guide for evaluating clear and pigmented coatings applied to rigid or semirigid plastic substrates. This…
ASTM D3003-01 (Reapproved 2022) provides a standardized method for evaluating the pressure mottling and blocking (sticking) resistance of organic coatings applied to coil-coated or factory-coated metal substrates prior to fabrication. This test is critical for quality control in the coil…