TM 43-0139(4)The required thickness for acceptable covering depends to a great extent on the color of the paint. Black,gray, red, and olive-drab colors have satisfactory hiding power, and a relatively thin film will suffice. Orange and yellowpaints require a film of at least twice that thickness. White enamel requires a heavy film to obtain complete hiding.WARNINGThe dried spray dust of lusterless enamels is an extreme fire hazard. Remove thisdust daily. The danger of fire can be greatly reduced by the use of a water-wash orwaterfall type of spray booth.e.Enamel, Synthetic, Semigloss (TT-E-529).(1)Characteristics. This is an alkyd-resin base enamel issued in two types: Class A, air-drying, and Class B,baking. Both have satisfactory weathering qualities.(2)Use.Use on exterior applications when extreme weathering conditions exist.(3)Application. To brush on, apply as issued or by thinning with not more than five parts by volume of syntheticenamel thinner, TT-T-306, to 95 parts by volume of enamel When spraying, thin with not more than 15 parts by volume ofsynthetic enamel thinner, TT-T-306, to 85 parts by volume of Class A enamel, or 15 parts by volume of xylene, TT-X-916,to 85 parts by volume of Class B enamel.(4)Thickness of Coating. A light coat of olive-drab or black enamel will provide sufficient hiding. Aconsiderably heavier coat is required when yellow or white enamel is applied.(5)Drying Time. Air-dry Class A enamel for eight hours, and bake Class B at 250°F (121.11°C) for 45 minutesbefore handling.2-33. LACQUERSa.General. Lacquers are finish materials that dry by evaporation of the volatile portion only, and deposit a strongfilm that is generally thinner than the film provided by oleoresinous products. The lacquers described in this paragraph areof this type.b.Lacquer, Lusterless, Hot Spray (MIL-L-11195).(1)Characteristics. This lacquer is a one-type and one-grade cellulose-nitrate material which can be applied atroom or above-average temperatures.(2)Use. Use as a one-coat, lusterless finish for projectiles, grenades, etc., and as a two-coat, lusterless finishfor automotive and general use.(3)Application. Apply by dipping when thinned with one (+0.2) part of thinner; hot spray as issued. Apply bycold spray when thinned with one part by volume of thinner to two parts by volume of packaged material. Use themanufacturer's recommended thinner.c.Lacquer, Automotive, Hot Spray (MIL-L-12277 and MIL-L-52043).(1)Characteristics. This lacquer is a one-type and one-grade, high gloss, cellulose-nitrate material which canbe applied at room or above-average temperatures.(2)Use. Use as a two-coat or three coat, semigloss finish for automotive materials. Use as a threecoat, semiglossfinish on aluminum and magnesium surfaces.2-15
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