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 2 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.
TABLE 1 List of Standards in Sectional Order Property (or Related Test) Section ASTM Test Method Federal Test Method Standard No. 141 Sampling: 5.2D3925 ... Liquid Paint Properties: Skinning 7.1D154 Condition in container 7.2 ... 3011 Coarse particles and foreign matter 7.3D185 Density or weight per gallon 7.4D1475 Fineness of dispersion 7.5D1210 Flash point 7.7D93, D3278 Dilution stability 7.8 ... 4203 Volatile content 7.9D2369 ... Free diisocyanate content 7.10D3432 ... Package stability 7.11 Heat stability 7.11.1D1849 Settling 7.11.2D869 Color Acceptance 7.12D5326 Coating Application and Film Formation: Application properties 8.1 ... 4541 Brush application 8.1.1 ... 2141 Brush drag 8.1.1.1D4958 ... Roller application 8.1.2 ... 2112 Roller spatter 8.1.2.1D4707 ... Spray application 8.1.3 ... 2131 Open time 8.1.4D7488 Rheological properties 8.2 ... ... Consistency (low-shear viscosity) 8.2.1D562 ... Rheological properties of non-Newtonian liquids 8.2.2D2196, D4287 ... Sag resistance 8.2.3D4400 ... Leveling properties 8.2.4D4062 ... Curing properties 8.3 ... ... Wet-film thickness 8.4D1212 ... Touch-up uniformity 8.5D3928, D7489 Low Temperature Coalescence 8.6D3793, D7306 Enamel holdout 8.7D7786 Appearance of Dry Coating: Color appearance 9.1.1 ... ... Color differences by visual comparison 9.1.2D1729 ... Color differences using instrumental measurements 9.1.3D2244 ... Directional reflectance 9.2E1347 ... Gloss, 60° 9.3D523 ... Hiding power 9.4D344, D2805, D5150 ... Yellowness index 9.5E313 Properties of Dry Film: Abrasion resistance 10.1D4060 ... Adhesion 10.2D4541 ... Wet Adhesion 10.2.1D6900 6301 Impact resistance 10.3D2794 ... Chemical resistance 10.4D1308 ... Washability and cleansability 10.5 ... ... Washability 10.5.1D2486, D4213 ... Cleansability 10.5.2D3450, D4828 ... Stainblocking 10.6D7514 Mildew resistance 10.7D3273 ... Perspiration resistance 10.8 ... ... Heat and cold resistance 10.9D1211 ... Heat and humidity resistance 10.10D2247 ... Fire hazards 10.11E84 Dry-film thickness 10.12D1005, D1186, D1400 Burnish Resistance 10.13D6736
TABLE 2 Alphabetical List of Test Methods Test Method Section ASTM Test Method Federal Test Method Standard No. 141 Abrasion resistance 10.1D4060 Adhesion 10.2D4541 ... Application properties 8.1 ... 4541 Brush application 8.1.1 ... 2141 Brush drag 8.1.1.1D4958 ... Burnish Resistance 10.13D6736 Chemical resistance 10.4D1308A ... Cleansability 10.5.2D3450, D4828 ... Coarse particles and foreign matter 7.3D185 Color Acceptance 7.12D5326 Color appearance 9.1.1 ... ... Color differences by visual comparison 9.1.2D1729 ... Color differences using instrumental measurements 9.1.3D2244 ... Condition in container 7.2 ... 3011 Consistency (low-shear viscosity) 8.2.1D562 ... Curing properties 8.3 ... ... Density or weight per gallon 7.4D1475 ... Dilution stability 7.8 ... 4203 Directional reflectance 8.2E1347 ... Dry-film thickness 10.12D1005, D1186, D1400 ... Enamel holdout 8.7D7786 Fineness of dispersion 7.5D1210 ... Fire hazards 10.11E84 Flash point 7.7D93, D3278 ... Free diisocyanate content 7.10D3432 Gloss (60-deg specular) 9.3D523 Heat and cold resistance 10.9D1211A ... Heat and humidity resistance 10.10D2247A ... Heat stability 7.11.1D1849 Hiding power 9.4D344, D2805, D5150 ... Impact resistance 10.3 ... ... Leveling properties 8.2.4D4062 ... Low Temperature Coalescence 8.6D3793, D7306 ... Mildew resistance 10.7D3273 ... Open time of latex 8.1.4D7488 Package stability 7.11 Perspiration resistance 10.8 ... ... Rheological properties of non-Newtonian liquids 8.2.2D2196, D4287 ... Roller application 8.1.2 ... 2112 Roller spa...
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