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A new ASTM International standard will provide a fast and effective way to test production lots of thermoplastic elastomers in order to quantify and predict how well they process and what ultimate physical properties will be imparted to final molded or extruded products. ASTM D7605 , Test Method for Thermoplastic Elastomers — Measurement of Polymer Melt Rheological Properties and Congealed…
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The impact of health care related infections is a global concern, and hands are a leading means of direct or indirect transport of infectious microorganisms. A task group within Subcommittee D11.40 on Consumer Rubber Products has begun to develop standards focused on preventing that transfer through the use of antimicrobial agents on gloves. D11.40 is part of ASTM International Committee D11 on…
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Residual accelerator chemicals in medical gloves appear to be a leading cause of allergic contact dermatitis in health care workers. A new ASTM International standard allows rubber glove manufacturers to monitor the level of residual chemicals in their end products and to potentially make manufacturing changes to reduce allergen levels. The new standard, D7558 , Test Method for Colorimetric/…
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A type of lime that has been used in construction since ancient Roman times is now covered by an ASTM International standard. ASTM International Committee C07 on Lime has approved ASTM C1707 , Specification for Pozzolanic Hydraulic Lime for Structural Purposes. The new standard is under the jurisdiction of Subcommittee C07.02 on Specifications and Guidelines. According to Margaret Thomson, the…
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High-speed machine tool spindles and the high-pressure turbopumps that move liquid hydrogen in the space shuttle are just two examples of the uses for hybrid roller bearings. ASTM Subcommittee F34.01 on Rolling Element has now developed a standard for hybrid roller bearings, ASTM F2730/F2730M , Specification for Silicon Nitride Cylindrical Bearing Rollers. Subcommittee F34.01 is under the…
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Once approved, a proposed new ASTM standard would provide the U.S. Food and Drug Administration and personal lubricant manufacturers a means to evaluate the effect of a lubricant on the physical integrity of condoms. No standard currently exists for this type of testing. Manufacturers of condoms and rubber gloves as well as personal lubricants are welcome to join in the development of ASTM…
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ASTM International Committee F37 on Light Sport Aircraft is currently at work on a proposed new standard that will aid light sport aircraft manufacturers in understanding the standardization system that governs their products. ASTM WK22124 , Guide for Compliance with Light Sport Airplane Standards, is under the jurisdiction of the F37.20 Airplane subcommittee. According to Thomas Gunnarson, U.S.…
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ASTM International Committee F37 on Light Sport Aircraft will meet March 30 to April 1, 2009, at the Messe Friedrichshafen Exhibition Grounds in Friedrichshafen, Germany, in conjunction with AERO Friedrichshafen 2009. The three days of F37 technical meetings will include discussions on changes to key LSA standards and proposals for new documents. It will also include several other activities,…
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The growing number and severity of healthcare association infections has increased interest in standardization efforts for antimicrobial gloves. In order to explore this area, ASTM International Committee D11 on Rubber has created a new task group on antimicrobial medical gloves. Glove suppliers, manufacturers and distributors, as well as contract test labs, government agency…
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A proposed new ASTM International standard will provide a method for a comparative evaluation of limestone sources available for use in flue gas desulfurization (FGD) applications. The proposed standard, WK20129 , Test Method for Evaluating Limestone for Use in Wet Flue Gas Desulfurization Applications by Reactivity, is being developed by Subcommittee C07.05 on Chemical Tests, part of ASTM…