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ASTM D 3273 : 2000 : R2005

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

01-12-2005

1.1 This test method describes a small environmental chamber and the conditions of operation to evaluate reproducibly in a 4-week period the relative resistance of paint films to surface mold fungi, mildew growth in a severe interior environment. The apparatus is designed so it can be easily built or obtained by any interested party and will duplicate results obtained in a large tropical chamber.

1.2 This test method can be used to evaluate the comparative resistance of interior coating to accelerated mildew growth. Performance at a certain rating (in accordance with Test Method D3274) does not imply any specific period of time for a fungal free coating. However, a better rated coating nearly always performs better in actual end use.

Note 1--This test method is intended for the accelerated evaluation of an interior coatings' resistance to fungal defacement. Use of this test method for evaluating exterior coatings' performance has not been validated, nor have the limitations for such use been determined. Should this test method be used for the testing of an exterior coating system, a precautionary statement regarding interpretation of results as being outside of the scope of this test method must be included. Any accelerated weathering (leaching, weathering machine exposure, etc.,) should be reported and should also bear reference to the fact that it is beyond the current scope of this test method.

1.3 Temperature and humidity must be effectively controlled within the relatively narrow limits specified in order for the chamber to function reproducibly during the short test period. Severity and rate of mold growth on a film is a function of the moisture content of both the film and the substrate. A relative humidity of 95 to 98 % at a temperature of 32.5+ 1oC (90+ 2oF ) is necessary for test panels to develop rapidly and maintain an adequate moisture level to support mold growth.

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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.

Committee
D 01
DocumentType
Test Method
Pages
4
ProductNote
Reconfirmed 2005
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM D 7584 : 2016 Standard Test Method for Evaluating the Resistance of the Surface of Wet Blue and Wet White to the Growth of Fungi in an Environmental Chamber
ASTM D 5324 : 2016 Standard Guide for Testing Water-Borne Architectural Coatings
ASTM E 1795 : 2017 Standard Specification for Non-Reinforced Liquid Coating Encapsulation Products for Leaded Paint in Buildings
ASTM D 3730 : 2017 Standard Guide for Testing High-Performance Interior Architectural Wall Coatings
ASTM D 5590 : 2017 Standard Test Method for Determining the Resistance of Paint Films and Related Coatings to Fungal Defacement by Accelerated Four-Week Agar Plate Assay
ASTM D 6763 : 2016 Standard Guide for Testing Exterior Wood Stains and Clear Water Repellents
ASTM C 1177/C1177M : 2017 Standard Specification for Glass Mat Gypsum Substrate for Use as Sheathing
ASTM C 1658/C1658M : 2018 Standard Specification for Glass Mat Gypsum Panels
ASTM C 1278/C1278M : 2017 Standard Specification for Fiber-Reinforced Gypsum Panel
ASTM D 7492/D7492M : 2016 : REV A Standard Guide for Use of Drainage System Media with Waterproofing Systems
ASTM E 3152 : 2018 Standard Guide for Standard Test Methods and Practices Available for Determining Antifungal Activity on Natural or Synthetic Substrates Treated with Antimicrobial Agents
ASTM E 1797 : 2012 : R2017 : EDT 1 Standard Specification for Reinforced Liquid Coating Encapsulation Products for Leaded Paint in Buildings
ASTM C 1825 : 2018 : EDT 1 Standard Guide for Developing Specifications for Masonry Units
ASTM C 1705/C1705M : 2009 : R2016 Standard Specification for Structural Cementitious Panels
ASTM E 1428 : 2015 : REV A Standard Test Method for Evaluating the Performance of Antimicrobials in or on Polymeric Solids Against Staining by <i>Streptomyce species </i> (A Pink Stain Organism) (Withdrawn 2024)
ASTM C 1396/C1396M : 2017 Standard Specification for Gypsum Board

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