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High Solids and Zinc-rich Epoxy Coatings for Corps of Engineers Civil Works Structures; Final technical rept
| 题名： | High Solids and Zinc-rich Epoxy Coatings for Corps of Engineers Civil Works Structures; Final technical rept |
| 作者： | Beitelman, A. D.; Huffman, D. |
| 关键词： | Paints; Epoxy coatings; Thickness; Military requirements; Ultraviolet radiation; Air pollution; Specifications; Polyamide plastics; Steel; Primers; Zinc; Solvents; Curing; Epoxy resins; Paint applicators; Vinyl plastics; Spray guns |
| 摘要： | The Army Corps of Engineers relies heavily on the use of vinyl paints for coating hydraulic structures. Though the systems have performed well in many environments, their high solvent content has made their use illegal under some local air pollution control legislation. High solids epoxies available in the current guide specification will comply with the regulations and may provide acceptable performance in some applications. Responding to field inquiries relating to specific application irregularities and anticipated problems, this research investigated the application parameters of the currently used E-303d and MIL-P-2444l Formula 159 zinc-rich primers and MIL-P-24441 Type IV Formula 150 primer/Formula 151 topcoat epoxy polyamide coatings. Overall, this study showed that the coatings are tolerant of a wide range of applications and curing variables frequently encountered under field conditions. The results of this work do not indicate a need for revising CWGS-09940 at this time. The work supports the existing guidance in that, if the guidance is followed, satisfactory performance can be expected. |
| 总页数： | 38p |
| 报告类型： | 科技报告 |
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