ASTM D3730 - 10

    Standard Guide for Testing High-Performance Interior Architectural Wall Coatings

    Active Standard ASTM D3730 | Developed by Subcommittee: D01.42

    Book of Standards Volume: 06.02


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    Abstract

    This guide covers the selection and use of test methods for high-performance interior architectural wall coatings (HIPAC) designed for wall surfaces of steel, masonry (poured concrete, concrete block, or cinder block), and plaster or gypsum wallboard. HIPAC are tough, extra-durable organic coating systems applied as continuous (seamless) film and cure to a hard finish. HIPAC are not usually intended for ceilings and floors, and would not ordinarily be used in homes. The types of resin ordinarily used are epoxy-polyamide, two-package; polyester-epoxy, twopackage; and polyurethane, one-package or two-package. Practical requirements for HIPAC vary with substrate type and climate conditions. The tests for measuring the properties enumerated below are detailed. Liquid coating properties include: (1) skinning, (2) condition in container, (3) coarse particles and foreign matter, (4) density or weight per gallon, (5) fineness of dispersion, (6) odor, (7) flash point, (8) dilution stability, (9) volatile content, (10) free diisocyanate content, and (11) package stability. Coating application and film formation properties include: (1) brush, roller, and spray application properties, (2) rheological properties, (3) curing, (4) wet-film thickness, and (5) touch-up uniformity. Dry coating appearance includes: (1) color difference, (2) directional reference, (3) gloss, (4) hiding power, and (5) yellowness index. Dry coating properties include: (1) abrasion resistance, (2) adhesion, (3) impact resistance, (4) chemical resistance, (5) washability and cleansability, (6) mildew resistance, (7) perspiration resistance, (8) heat and cold resistance, (9) heat and humidity resistance, (10) fire hazards, and (11) dry-film thickness.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This guide covers the selection and use of test methods for high-performance interior architectural wall coatings (HIPAC) that differ from more conventional coatings by being tougher, more stain-resistant, more abrasion-resistant and, ordinarily, designed to be applied to wall surfaces of steel, masonry (poured concrete, concrete block, or cinder block), and plaster or gypsum wallboard. The tests that are listed in Table 1 and Table 1 are designed to measure performance properties. These tests may not all be required for each HIPAC system. Selection of the test methods to be followed must be governed by experience and the requirements in each individual case, together with agreement between the purchaser and the seller.

    1.2 High-performance architectural coatings are tough, extra-durable organic coating systems that are applied as a continuous (seamless) film and cure to a hard finish. The finish can be high gloss, semigloss, or low gloss as desired. These coatings are resistant to persistent heat, humidity, abrasion, staining, chemicals, and fungus growth. They are used in areas where humidity, wear, or unusual chemical resistance requirements, particularly to soiling, are required and where strong detergents are used to maintain sanitary conditions. Halls and stairways in public buildings, lavatories, stall showers, locker areas, animal pens, and biological laboratories are typical applications. In addition, food processing plants, dairies, restaurants, schools, and transport terminals frequently use HIPAC systems. These are effective in many areas of building interiors compared with tile and are of low materials and maintenance costs. They are used as a complete system only as recommended by the manufacturer since the individual coats in a system are formulated to be compatible with each other. HIPAC systems should be applied only to properly prepared surfaces such as steel or masonry, including cinder blocks and cement blocks. They can be applied over plaster and gypsum wallboard. Ordinarily, a prime or fill coat, if required, is part of the system.

    1.3 While they are excellent for walls, HIPAC are not usually intended for ceilings and floors. They would not ordinarily be used in homes, although parents with small children might want to use HIPAC coatings on some walls.

    1.4 The types of resin ordinarily used are the following: epoxy-polyamide, two-package; polyester-epoxy, two-package; polyurethane, one-package or two-package. However, other resin types are not excluded provided they can meet the requirements (performance specifications) laid down by the purchaser.

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

    1.6 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. For a specific hazard statement, see the note in 7.6.


    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

    D16 Terminology for Paint, Related Coatings, Materials, and Applications

    D93 Test Methods for Flash Point by Pensky-Martens Closed Cup Tester

    D154 Guide for Testing Varnishes

    D185 Test Methods for Coarse Particles in Pigments

    D344 Test Method for Relative Hiding Power of Paints by the Visual Evaluation of Brushouts

    D523 Test Method for Specular Gloss

    D562 Test Method for Consistency of Paints Measuring Krebs Unit (KU) Viscosity Using a Stormer-Type Viscometer

    D869 Test Method for Evaluating Degree of Settling of Paint

    D1005 Test Method for Measurement of Dry-Film Thickness of Organic Coatings Using Micrometers

    D1186 Test Methods for Nondestructive Measurement of Dry Film Thickness of Nonmagnetic Coatings Applied to a Ferrous Base

    D1210 Test Method for Fineness of Dispersion of Pigment-Vehicle Systems by Hegman-Type Gage

    D1211 Test Method for Temperature-Change Resistance of Clear Nitrocellulose Lacquer Films Applied to Wood

    D1212 Test Methods for Measurement of Wet Film Thickness of Organic Coatings

    D1296 Test Method for Odor of Volatile Solvents and Diluents

    D1308 Test Method for Effect of Household Chemicals on Clear and Pigmented Organic Finishes

    D1400 Test Method for Nondestructive Measurement of Dry Film Thickness of Nonconductive Coatings Applied to a Nonferrous Metal Base

    D1475 Test Method For Density of Liquid Coatings, Inks, and Related Products

    D1729 Practice for Visual Appraisal of Colors and Color Differences of Diffusely-Illuminated Opaque Materials

    D1849 Test Method for Package Stability of Paint

    D2196 Test Methods for Rheological Properties of Non-Newtonian Materials by Rotational (Brookfield type) Viscometer

    D2244 Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates

    D2247 Practice for Testing Water Resistance of Coatings in 100 % Relative Humidity

    D2369 Test Method for Volatile Content of Coatings

    D2486 Test Methods for Scrub Resistance of Wall Paints

    D2794 Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact)

    D2805 Test Method for Hiding Power of Paints by Reflectometry

    D3273 Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber

    D3278 Test Methods for Flash Point of Liquids by Small Scale Closed-Cup Apparatus

    D3432 Test Method for Unreacted Toluene Diisocyanates in Urethane Prepolymers and Coating Solutions by Gas Chromatography

    D3450 Test Method for Washability Properties of Interior Architectural Coatings

    D3793 Test Method for Low-Temperature Coalescence of Latex Paint Films by Porosity Measurement

    D3925 Practice for Sampling Liquid Paints and Related Pigmented Coatings

    D3928 Test Method for Evaluation of Gloss or Sheen Uniformity

    D4060 Test Method for Abrasion Resistance of Organic Coatings by the Taber Abraser

    D4062 Test Method for Leveling of Paints by Draw-Down Method

    D4213 Test Method for Scrub Resistance of Paints by Abrasion Weight Loss

    D4287 Test Method for High-Shear Viscosity Using a Cone/Plate Viscometer

    D4400 Test Method for Sag Resistance of Paints Using a Multinotch Applicator

    D4541 Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers

    D4585 Practice for Testing Water Resistance of Coatings Using Controlled Condensation

    D4707 Test Method for Measuring Paint Spatter Resistance During Roller Application

    D4828 Test Methods for Practical Washability of Organic Coatings

    D4958 Test Method for Comparison of the Brush Drag of Latex Paints

    D5150 Test Method for Hiding Power of Architectural Paints Applied by Roller

    D5326 Test Method for Color Development in Tinted Latex Paints

    D6736 Test Method for Burnish Resistance of Latex Paints

    D6900 Test Method for Wet Adhesion of Latex Paints to a Gloss Alkyd Enamel Substrate

    D7306 Practice for Testing Low Temperature Film-Formation of Latex Paints by Visual Observation

    D7489 Practice for Evaluating Touch-Up Properties of Architectural Coatings under Various Environmental Conditions

    E84 Test Method for Surface Burning Characteristics of Building Materials

    E105 Practice for Probability Sampling of Materials

    E313 Practice for Calculating Yellowness and Whiteness Indices from Instrumentally Measured Color Coordinates

    E1347 Test Method for Color and Color-Difference Measurement by Tristimulus Colorimetry


    ICS Code

    ICS Number Code 87.040 (Paints and varnishes)

    UNSPSC Code

    UNSPSC Code 46181533(Protective coats)


    DOI: 10.1520/D3730-10

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