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Số hiệu Standard Number AASHTO M 248:1991 Năm ban hành 1991 Publication date Tình trạng W - Hết hiệu lực Status
Tên tiếng Anh Title in English Standard Specification for Ready-Mixed White and Yellow Traffic Paints
Số trang Page 7 Giá: Price Liên hệ / Contact us
Phạm vi áp dụng Scope of standard This specification covers alkyd resin type, ready-mixed white and yellow traffic paints for use on bituminous and portland cement concrete pavements. Intended use of the traffic paint. These paints may be reflectorized for night visibility by adding reflective spheres before the paint film dries or sets, using the drop-on or pressurized methods. Generally, the reflective spheres are evenly dispersed to a wet film of 0.38 mm (15 mils) at a rate of 600 to 720 kg/m (5 to 6 lb/gal) of paint. The amount may be altered by the purchaser. Types: Type S Traffic Paint - This type is a slow drying paint that shall be used in areas where coning is acceptable for 1 h or more. Type N Traffic Paint - This type has immediate drying properties and shall be used in areas where coning of roadway is acceptable for 15 to 30 min. Type F Traffic Paint - This type shall be used where faster drying time is required with a minimum of coning. With good drying conditions, this paint should dry in 3 to 6 min if heated to 51.5 ± 2.5°C (125 ± 5°F) in the applicator. The values stated in SI units are to be regarded as the standard. Note 1 - It is advisable to consult local air pollution regulations regarding solvents prior to selecting type of paint to be used.