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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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The market growth and wide acceptance of glass mat gypsum panels has led to the development and approval of a new ASTM International standard. C 1658/C 1658M , Specification for Glass Mat Gypsum Panels, is under the jurisdiction of Subcommittee C11.01 on Specifications and Test Methods for Gypsum Products, which is part of ASTM International Committee C11 on Gypsum and Related Building Materials…
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Although abuse-resistant gypsum panel products have been on the market for sometime, until recently, there was no standard way to evaluate or classify their various abuse-resistant properties. However, a new standard developed by ASTM International Committee C11 on Gypsum and Related Building Materials and Systems, now fills this need. The standard, C 1629, Classification for Abuse-Resistant…
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ASTM International Committee E12 on Color and Appearance will present an exciting seminar on Imaging Photometry on June 16, 2005, in Reno, Nev. from 3:15 - 5:00 p.m. during the E12.06 subcommittee meeting. The presentation, titled "Introduction to Imaging Photometry and Radiant Imaging, Inc." will present imaging photometry and colorimetry discussing the advantages and challenges of light and…
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ASTM International Committee E12 on Color and Appearance, presents an exciting seminar on Imaging Photometry on June 16, 2005, in Reno, Nev., from 3:15 - 5:00 p.m. during the E12.06 subcommittee meeting. The presentation entitled, "Introduction to Imaging Photometry and Radiant Imaging, Inc." will present imaging photometry and colorimetry discussing the advantages and challenges of light and…, C, O, L, O, R, Science Consultancy, 215/369-5005, jack.ladson@verizon.net