The compound shall consist of coal-tar pitch and coal-tar solvents, suitably blended to produce a liquid which is smooth and uniform in consistency and which complies with the following detail requirements: I I,... - .. .. .... . . _ - . .- ... - .. -. . < . . . ..... . .. .. . . .: . . a. Distillate to 440' F, percent, by weight, 25 to 35 b. Softening point of distillation residue, ' F 140 to 160 ce Water, percent, by weight, maximum 0.5 . d. Shall be suitable for spray application at temperatures above 60' F e, When applied at a coverage rate of 300 square feet per gallon on a clean, smooth steel surface and allowed to dry insa ventilated 70' F, 50-percent relative-humidity atmosphere, the compound shall dry to a firm, dry film in 24 hours.
DOI FED CTDC 1-1962由US-DOI 发布于 1962-05-01。
DOI FED CTDC 1-1962 在中国标准分类中归属于: G18 煤焦油加工产品。
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