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In the field of personal protective clothing, a temperature rating indicates the lowest acceptable air temperature at which an average person would be comfortable when wearing a certain set of clothing. While manufacturers believe that providing temperature ratings is helpful to consumers when they are comparing garments, there have been different methods of testing for a temperature rating. The…
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With the proposed new standard, WK11023 , Practice for Life and Reliability Testing Based on the Exponential Distribution, ASTM International Committee E11 on Quality and Statistics is continuing its program of preserving U.S. government military standards on acceptance sampling. WK11023 is an adaptation of the DoD quality control and reliability handbook document H-108, Sampling Procedures and…
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A request from the United States Navy was the impetus behind the development of a new ASTM International standard, E2630 , Test Method for Luminance Ratio of a Fluorescent Specimen Using a Narrow Band Source. The new standard was developed by Subcommittee E12.05 on Fluorescence, part of ASTM International Committee E12 on Color and Appearance. Richard Harold, consultant, Color and Appearance…
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First generation gonioapparent colorants are materials pigmented with metal flakes that change lightness as illumination angles change. Used heavily in automotive coatings, the first generation of gonioapparent materials was covered by ASTM International standard E2194 , Practice for Multiangle Color Measurement of Metal Flake Pigmented Materials, first published in 2003. Now, a second generation…
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ASTM International Committee E12 on Color and Appearance has approved a new standard that describes techniques for planning and analyzing the results of an interlaboratory study conducted for certain test methods within E12. E 2480 , Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method with Multi-Valued Measurands, is under the jurisdiction of Subcommittee…
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Healthcare workers who inspect radiation protection garments will be the primary users of a proposed new ASTM International standard, WK15823 , Practice for the Fluoroscopic Inspection of Radiation Protection Garments. The proposed practice is being developed by Subcommittee F23.70 on Radiological Hazards, part of ASTM International Committee F23 on Protective Clothing. “Besides visual…
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A new ASTM International standard, E 2555 , Practice for Factors and Procedures for Applying the MIL-STD-105 Plans in Life and Reliability Inspection, represents the latest work of a task group that is converting a series of old U.S. Department of Defense standards into ASTM documents. The task group is part of Subcommittee E11.30 on Data Analysis, which is under the jurisdiction of ASTM…
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Two proposed new standards currently being developed by ASTM International Committee F23 on Protective Clothing will each contribute to the safety of protective clothing. Interested parties are invited to participate in the development of both proposed standards, which are WK14247 , Specification for Air-Fed Protective Ensembles and WK14442 , Antimicrobial Activity of Textiles Following Multiple…, WK14247, Specification for Air-Fed Protective Ensembles, Subcommittee F23.30 on Chemicals invites users and manufacturers of air-fed protective ensembles to participate in the development of a proposed new standard WK14247 . This proposed specification would establish design, performance, documentation, labeling and certification requirements for protective ensembles that rely on principal air supply to the wearer via an air line or air filtered…, WK14442, Antimicrobial Activity of Textiles Following Launderings with Bleach, Antimicrobial treatments often are applied to textiles to impart durable efficacy, reducing the survival and growth of microorganisms on the textile. A proposed new ASTM standard, WK14442 , under the jurisdiction of F23’s biological subcommittee, F23.40 , would ensure these antimicrobial agents would continue to work throughout a garment’s life span. “Over the last 10 years, the industry has…
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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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ASTM International Committee E11 on Quality and Statistics has approved a new practice that describes methods for proficiency testing providers to use in analyzing laboratory results obtained in their programs. The standard, E 2489 , Practice for Statistical Analysis of One-Sample and Two-Sample Interlaboratory Proficiency Testing Programs, is under the jurisdiction of Subcommittee E11.20 on Test…