ASTM G21-96

    Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi

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    1. Scope

    1.1 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. Changes in optical, mechanical, and electrical properties may be determined by the applicable ASTM methods.

    1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.

    1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies

    D150 Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation

    D257 Test Methods for DC Resistance or Conductance of Insulating Materials

    D495 Test Method for High-Voltage, Low-Current, Dry Arc Resistance of Solid Electrical Insulation

    D618 Practice for Conditioning Plastics for Testing

    D638 Test Method for Tensile Properties of Plastics

    D747 Test Method for Apparent Bending Modulus of Plastics by Means of a Cantilever Beam

    D785 Test Method for Rockwell Hardness of Plastics and Electrical Insulating Materials

    D882 Test Method for Tensile Properties of Thin Plastic Sheeting

    D1003 Test Method for Haze and Luminous Transmittance of Transparent Plastics

    D1708 Test Method for Tensile Properties of Plastics by Use of Microtensile Specimens

    E96/E96M Test Methods for Water Vapor Transmission of Materials

    E308 Practice for Computing the Colors of Objects by Using the CIE System

    Federal Standards

    FEDSTD191 Method 5204 Stiffness of Cloth, Directional; Self Weighted Cantilever Method Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://dodssp.daps.dla.mil.

    FEDSTD191 Method 5206 Stiffness of Cloth Drape and Flex; Cantilever Bending Method

    TAPPI Standard

    TestMethodT 451-CM Flexural Properties of Paper Available from Technical Association of the Pulp and Paper Industry (TAPPI), 15 Technology Parkway South, Norcross, GA 30092, http://www.tappi.org.


    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/G0021-96

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