Standards

ASTM G21-96


Historical Standard: 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

FED STD 191 Method 5206 Stiffness of Cloth Drape and Flex; Cantilever Bending Method

TAPPI Standard

Test Method T 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.




Keywords


fungal biosusceptability; fungal decay; microbiological assay; microbiological susceptability; Fungal influence/resistance--polymers; Polymers; Synthetic polymers;




DOI: 10.1520/G0021-96


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