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ASTM International Committee B08 on Metallic and Inorganic Coatings has recently approved a revision of one of its most important standards, B 633 , Specification for Electrodeposited Coatings of Zinc on Iron and Steel. B 633 is under the jurisdiction of Task Group B08.08.04 on Soft Metals, which is part of Subcommittee B08.08 on Metallic Coatings. Zinc coatings are used to provide a sacrificial…
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While the polymer-based siding industry developed around the use of polyvinyl chloride, the last two decades have seen the introduction and rise in use of polypropylene as a siding material. Because of this, siding producers and polypropylene suppliers began to discuss the need for an ASTM standard for this type of siding. These discussions have resulted in the development and recent approval of…
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ASTM International Committee D35 on Geosynthetics is currently developing a proposed new standard that covers the test procedure for evaluating the effectiveness of prefabricated vertical drains to enhance the consolidation of soils under specified conditions. The proposed standard, WK13402 , Test Method for Large Scale Consolidation Test for Prefabricated Vertical Drains, is under the…
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ASTM International Committee D20 on Plastics is currently developing a proposed new standard that will be used for the determination of flammability characteristics of polymeric materials under laboratory conditions. The proposed standard, WK9492 , Test Method for Determining Flammability Characteristics of Plastics and Other Solid Materials Using Microscale Combustion Calorimetry, will be useful…
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The increased use of geomembranes as barrier materials to restrict liquid migration from one location to another created a need for a test method to evaluate the quality of geomembrane seams produced by tape methods. ASTM International Committee D35 on Geosynthetics has met this need with the approval of the new standard D 7272 , Test Method for Determining the Integrity of Seams Used in Joining…
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ASTM International Committee D35 on Geosynthetics has developed a new standard that is an important step toward the improvement of filtration design for non-woven geotextiles. The standard, D 7178 , Practice for Determining the Number of Constrictions “, m, ” of Non-Woven Geotextiles as a Complementary Filtration Property, will provide engineers and researchers a common basis for accurate determination of an important products property. Practice D 7178 is under the jurisdiction of Subcommittee D35.03 on Permeability and Filtration. Practice D 7178 describes the procedure used along with existing test methods to determine the number of…
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Quality control scientists, plant processing engineers and polymer formulation scientists are likely users of a new ASTM International standard, D 7210 , Practice for Extraction of Additives in Polyolefin Plastics. The standard was developed by Subcommittee D20.70 on Analytical Methods, which is under the jurisdiction of Committee D20 on Plastics. Practice D 7210 covers a variety of extraction…
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If you are a user of ASTM B 456, Specification for Electrodeposited Coatings of Copper Plus Nickel Plus Chromium and Nick Plus Chromium, ASTM International Committee B08 on Metallic and Inorganic Coatings would like to hear from you. B 456 is under the jurisdiction of Subcommittee B08.08.03 on Decorative Coatings. "Subcommittee B08.08.03 has received reports that some users are experiencing…
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ASTM Committee D35 on Geosynthetics will present a workshop on the possibility of creating a Geogrid Aperture Stability standard during the June Committee Week in Reno, Nev. The workshop will take place June 15 from 6:00 p.m. to 7:30 p.m. Steve Valero, Vice President - Technology, Tensar, will chair the workshop. Valero promises a productive and lively workshop that will be focused on educating…