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A proposed new standard being developed by ASTM International Committee B09 on Metal Powders and Metal Powder Products offers a solution to the challenge of handling and characterizing very fine powders. Subcommittee B09.02 on Base Metal Powders is developing the proposed standard, WK13023 , Test Method for Determination of Tap Density of Metallic Powders by a Constant Volume Measuring Method. …
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Understanding how blood within a human body will interact with any substance with which it comes in contact is a crucial part of any medical process. A new practice recently approved by ASTM International Committee F04 on Medical and Surgical Materials and Devices is one of a series of standards that evaluates the complement activating properties of solid materials intended for use in contact…
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ASTM International Committee C24 on Building Seals and Sealants invites interested parties to participate in the development of a proposed new standard that will use photographs to illustrate various types of sealant failures. WK11731 , Guide for Diagnosing Sealant Failure by Comparison to Reference Photographs, is under the jurisdiction of Subcommittee C24.10 on Specifications, Guides and…
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Conventionally processed powder metallurgy materials often exhibit open microporosity at the surface. While it is a natural part of the process, this microporosity can affect the measurement of surface finishes. To cover this and other issues that arise from measuring the surface finish of powder metallurgy, ASTM International Committee B09 on Metal Powders and Metal Powder Products has developed…
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A new standard, developed by ASTM International Committee F04 on Medical and Surgical Materials and Devices, establishes performance requirements for single-use, enteral feeding devices with retention balloons. These devices are used by medical professionals to provide nutrition or administer medication to patients through a natural orifice (nasal, oral, transluminal) or through a surgically…
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ASTM International Committee D31 on Leather has decided to reactivate Subcommittee D31.05 on Upholstery. During a period of inactivity for several years, the subcommittee was combined with Subcommittee D31.04 on Apparel. However, the last two years have seen an increase in the level of participation from people involved in upholstery leather manufacturing, so the subcommittees have again been…
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ASTM International Committee F04 on Medical and Surgical Materials and Devices is now developing a proposed new standard, WK8619, Test Method for the Measurement of Crystallinity and Melting Point of Ultra High Molecular Weight Polyethylene via Differential Scanning Calorimetry. The proposed test method, under the jurisdiction of Subcommittee F04.15 on Material Test Methods, will focus on the…
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ASTM International Committee C24 on Building Seals and Sealants is currently working to fill a need for a weatherproofing sealant field test standard. The result, proposed standard WK7800, Guide for a Non-Destructive, Continuous, Field Test of Installed Weatherproofing Sealant, features a field test that has been used by sealant professionals for years, but has not, up to this point, been…
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ASTM International Subcommittee F04.35 has recently undergone a name change. Formerly known as F04.35 on GI Endoscopes, the subcommittee, which is under the jurisdiction of Committee F04 on Medical and Surgical Materials and Devices, is now known as Gastroenterolgy (GI). The name change indicates a broadening of the scope of activities for the subcommittee. James Bardwell, Leading Medical…
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ASTM International Committee C24 on Building Seals and Sealants is now working on a proposed new standard, WK6920, Fatigue Resistance of Structural Silicone. The standard, which is under the jurisdiction of ASTM Subcommittee C24.20 on General Sealant Standards, is intended to serve as an enhancement to current performance requirements for structural silicones and to help users ascertain that…