Difference between revisions of "1045.6 Laboratory Testing Guidelines for Sec 1045"
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This article establishes procedures for Laboratory testing and reporting samples of paint | This article establishes procedures for Laboratory testing and reporting samples of paint | ||
| − | and paint materials. Refer to [http://www.modot. | + | and paint materials. Refer to [http://www.modot.org/business/standards_and_specs/SpecbookEPG.pdf#page=14 Sec 1045] for MoDOT’s specifications. |
==1045.6.1 Procedure== | ==1045.6.1 Procedure== | ||
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The following paints shall be tested according to the methods shown for each material. | The following paints shall be tested according to the methods shown for each material. | ||
| − | :'''a) High Solids Inorganic Zinc Silicate Paint.''' This material is to be tested according to [http://www.modot. | + | :'''a) High Solids Inorganic Zinc Silicate Paint.''' This material is to be tested according to [http://www.modot.org/business/standards_and_specs/SpecbookEPG.pdf#page=14 Sec 1045.2]. |
:'''b) Intermediate Coat - High Solids Epoxy System G Finish Coat - Polyurethane System G.''' | :'''b) Intermediate Coat - High Solids Epoxy System G Finish Coat - Polyurethane System G.''' | ||
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::Storage – Federal Test Method Std. No. 141, Method 3011 | ::Storage – Federal Test Method Std. No. 141, Method 3011 | ||
| − | All test data and calculations are to be recorded in Laboratory workbooks. Test results are then to be recorded through | + | All test data and calculations are to be recorded in Laboratory workbooks. Test results are then to be recorded through AASHTOWARE Project (AWP). |
==1045.6.2 Sample Record== | ==1045.6.2 Sample Record== | ||
| − | The sample record shall be completed in | + | The sample record shall be completed in AASHTOWARE Project (AWP), as described in [[:Category:101 Standard Forms#Sample Record, General|AWP MA Sample Record, General]], and shall indicate acceptance, qualified acceptance, or rejection. Appropriate remarks, as described in [[106.20 Reporting|EPG 106.20 Reporting]], are to be included in the remarks to clarify conditions of acceptance or rejection. Test results shall be reported on the appropriate templates under the Tests tab. |
[[Category:1045 Paint for Structural Steel]] | [[Category:1045 Paint for Structural Steel]] | ||
Latest revision as of 09:41, 14 September 2021
This article establishes procedures for Laboratory testing and reporting samples of paint and paint materials. Refer to Sec 1045 for MoDOT’s specifications.
Contents
1045.6.1 Procedure
1045.6.1.1 Pigment and Vehicle Constituents
Test these materials in accordance with the following methods:
- Inorganic Zinc Silicate Pigment, Metallic Zinc, percent - ASTM D521
- Total Zinc, percent - ASTM D3280.
- Inorganic Zinc Silicate Vehicle- ASTM D1644, Method A.
1045.6.1.2 Mixed Paint
The following paints shall be tested according to the methods shown for each material.
- a) High Solids Inorganic Zinc Silicate Paint. This material is to be tested according to Sec 1045.2.
- b) Intermediate Coat - High Solids Epoxy System G Finish Coat - Polyurethane System G.
- Sag Resistance, Leneta Anti-Sag Meter - Sec. 4494 FTMS 141
- Viscosity, Krebs - Stormer - ASTM D 562
- Drying Time - ASTM D 1640
- Volatile Organic Content - USEPA Method 24
- Color - Federal Standard No. 595b
- Fineness of Grind, Hegeman Gage - ASTM D 1210
- c) Intermediate and Finish Coat Waterborne Acrylic System H
- Color, Federal Standard 595b
- Viscosity, Krebs-Stormer - ASTM D 562
- Volatile Organic Content - USEPA Method 24
- Fineness of Grind, Hegeman Gage - ASTM D 1210
- Drying Time - ASTM D 1640
- Sag Resistance, Leneta Anti-Sag Meter - Sec. 4494 FTMS 141
- d) Aluminum Epoxy Mastic Primer
- Color, Federal Standard 595b
- Volatile Organic Content - USEPA Method 24
- Fineness of Grind, Hegeman Gage - ASTM D 1210
- Drying Time - ASTM D1640
- e) Gray Epoxy Mastic Primer
- Color, Federal Standard 595b
- Volatile Organic Content - USEPA Method 24
- Fineness of Grind, Hegeman Gage - ASTM D 1210
- Drying Time - ASTM D 1640
- f) Calcium Sulfonate Sealer/Primer/Topcoat
- Color, Federal Standard 595b
- Volatile Organic Content - USEPA Method 24
- Fineness of Grind, Hegeman Gage - ASTM D 1210
- Viscosity, #4 Ford Cup - ASTM D 1200
- Drying Time – Federal Test Method Std. No. 141, Method 4061
- Sag Test (multi-notch blade) – Federal Test Method Std. No. 141, Method 4494
- Pigment Settlement – ASTM D 869
- Working Properties – Federal Test Method Std. No. 141, Method 4331
- Storage – Federal Test Method Std. No. 141, Method 3011
All test data and calculations are to be recorded in Laboratory workbooks. Test results are then to be recorded through AASHTOWARE Project (AWP).
1045.6.2 Sample Record
The sample record shall be completed in AASHTOWARE Project (AWP), as described in AWP MA Sample Record, General, and shall indicate acceptance, qualified acceptance, or rejection. Appropriate remarks, as described in EPG 106.20 Reporting, are to be included in the remarks to clarify conditions of acceptance or rejection. Test results shall be reported on the appropriate templates under the Tests tab.
