Engineering grade reflective sheeting for general road traffic signs, which is usually the one, two, three, four roads and the temporary use of the mark. Often used as: directional sign; prohibition signs, warning signs and directional signs and general advertising signs. Can be the same type of ink, the use of screen printing technology to produce various types of patterns. Its life is generally 3 to 7 years 
 The performance of this series of reflective film is the Ministry of Communications Ministerial JT-T279-1995 standard fourth grade reflective sheeting is a durable, enclosed-type reflective film. Since the 20th century, since the early 50s, the material has been successfully used to make traffic signs. At present, the traffic flow region small and low-speed vehicles, engineering grade reflective film still has a certain application. 

 Engineering grade reflective sheeting for general road traffic signs, which is usually the one, two, three, four roads and the temporary use of the mark. Generally divided into two kinds of pressure sensitive and thermal-type. Use the same type of ink used screen printing technology can produce a variety of patterns. 

 Uses: directional sign; prohibited signs, warning signs and directional signs and signs used in general advertising. 
 Life: usually 3 to 7 years, according to the different manufacturers. Some manufacturers only provide a reflective film 7 years, 7 years after the brightness retention of at least 50% of the initial brightness value. 
 Applicable floor: aluminum, steel. 
 Operating temperature: general requirements in 18 ℃ ~ 28 ℃. 
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