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Two new ASTM International standards for steel core wire will be useful in providing transmission cable that will make the most of the existing infrastructure in gaining electrical transmission efficiency. “The products in these standards allow electrical utilities and transmission cable designers more flexibility to increase electrical transmission capacity with minimal investments,” says Dale…
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All interested parties are encouraged to participate in the development of a proposed new ASTM International standard, WK20460 , Specification for High Performance Tinned Coated Annealed Copper Wire Intended for Electrical and Electronic Application for Solderability. The proposed standard is being developed by Subcommittee B01.04 on Conductors of Copper and Copper Alloys, which is part of ASTM…
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When fasteners penetrate roofing or waterproofing products as a planned part of installation, it is expected in some cases that the product will resist water migration at the point of penetration. A new ASTM International standard, D7349 , Test Method for Determining the Capability of Roofing and Waterproofing Materials to Seal Around Fasteners, addresses this situation. ASTM D7349 was developed…
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Modified bitumen products have been in use since the mid-1970s, and represent a substantial percentage of the commercial asphalt roofs installed throughout North America. A new ASTM International standard addresses the use of cold process adhesives in modified bitumen roofing systems. ASTM D7379 , Test Methods for Strength of Modified Bitumen Sheet Material Laps Using Cold Process Adhesive, was…
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ASTM International Committee A06 on Magnetic Properties has approved the first in a series of proposed standards on permanent magnet materials. The new standard, A 1054 , Specification for Sintered Ceramic Ferrite Permanent Magnets, as well as the other proposed standards, are under the jurisdiction of Subcommittee A06.02 on Material Specifications. While ASTM has long had standards covering…