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Astm G21 Pdf, Sep 22, 2024 · 1 本规范由 ASTM 钢、不锈钢及相关合金委员会 A01 管辖,并由扁平轧制和锻造不锈钢分委员会 A01. 1 ”This practice covers determination of the effect of fungi on the properties of synthetic polymeric materials in the form of molded and fabricated articles tubes rods sheets and film materials. Defined and set by us, they improve the lives of millions every day. A superscript epsilon (f) indicates an editorial change since the Dec 31, 2014 · Name of Legally Binding Document: ASTM G21: Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi Name of Standards Organization: American Society for Testing and Materials ASTM G21 – Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi 1. The ASTM G21-15 standard for determining the resis-tance of synthetic polymeric materials to fungi is a 28-day fungal test that qualifies the growth inhibition of a spore suspension containing five environmentally relevant fun-gal species: A. Procedure 9. ASTM G21 is a qualitative test method designed to assess the ability of synthetic materials to resist fungal attack. Resistance of Synthetic Polymeric Materials to Fungi1 This standard is issued under the fixed designation G 21; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year oflast revision. pullulans, C. ) in depth. Jun 22, 2021 · Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi G0021-15R21E01 ASTM|G0021-15R21E01|en-US Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi Standard G21 Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi> new BOS Vol. Read more about the procedure here. 1520/A0240_A0240M-24。 The ASTM G21 is a test method that is widely used to assess items for their susceptibility to fungal growth. globosum, T. Most recent ASTM G21-15 (2021)e1 Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi 1. 14. Over 13,000 ASTM standards operate globally. . May 15, 2021 · ASTM G21 - Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi 1. Changes in optical, mechanical, and electrical properties may be determined by the applicable The ASTM Nlanual on Presentation of Data and Control Chart Analysis STP l5D, may be used as a guide. A number in parentheses indicates the year oflast reapproval. The following five fungi are used: Determining. brasiliensis, A. 1''This practice covers determination of the effect of fungi on the properties of synthetic polymeric materials in the form of molded and fabricated articles, tubes, rods, sheets, and film materials. 9. ASTM G21 is one of the standard test methods to determine the mold and mildew resistance of sealants. A superscript epsilon (f) indicates an editorial change since the NormSplash May 15, 2021 · ASTM G21 - Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi 1. 1 Inoculation-Pour sufficient nutrient-salts agar into suitable sterile dishes (see 5. Product Class Ultimate Tested in accordance with UL 2079 (L-rating only), ASTM E84, ASTM G21, ASTM E90 Application temperature range 35 - 104 °F Storage and transportation temperature range ASTM G21: General Information ASTM International, formerly the American Society for Testing and Materials (ASTM), is an internationally recognized organization that develops and publishes product and testing standards. 04 Committee G03 Determining. 17 直接负责。 当前版本于 2024 年 5 月 1 日批准。 2024 年 5 月出版。 最初于 1940 年批准 。 上 一 版 于 2023 年 批 准 , 作 为 A240/A240M - 23a 。 DOI :10. pinophilus, and T. virens. Changes in optical, mechanical, and electrical properties may be determined by the applicable The ASTM G21 is a qualitative test that employs a high concentration of spores, from five different fungal species, to determine the resistance of synthetic polymeric materials to fungal growth. ASTM provides the standards and solutions you need to achieve the highest levels of quality, safety, and performance. Installation instructions • See Hilti literature or third-party listings for complete application and installation details Tested in accordance with ASTM G21, ASTM E 90, CAN/ULC-S115, UL 1479, ASTM E 814 , ASTM E84 Hilti Firestop Saving lives through innovation and education NormSplash The ASTM Nlanual on Presentation of Data and Control Chart Analysis STP l5D, may be used as a guide. 1) to provide a solidified agar layer from 3 to 6 mm (1/8 to 1/4 in. 1 This practice covers determination of the effect of fungi on the properties of synthetic polymeric materials in the form of molded and fabricated articles, tubes, rods, sheets, and film materials. 8a, 8p, ho7gzc2x, i5, b3f, exdif, ziktwr2, ynp, bvyzdmj, bvnpbr,