How many ways are there differences in the plastic materials used for pin and female connectors?

I. Pin header female connector plastic material differences in several ways? Pin header connector in the production, often use plastic materials, and commonly used plastic materials are PBT, PA6T, PA9T, LCP these four. PBT plastic material is generally used in the production of 2.54mm pitch 180 degrees / 90 degrees on the row of pins and nuts, welding temperature is only about 200 degrees, due to the relatively low cost of other materials, high strength, friction resistance and other characteristics, now this material is still a lot of customers to choose. But the use of this material is poorer molding, shrinkage is serious, due to the lower melting temperature, over the wave soldering will produce plastic melting phenomenon. Plastic material: PBT 230±5ºC, time 3~5±1 seconds. Second, PA6T plastic material this material is generally used in the 2.54mm pitch SMD pin header, and 1.27mm pitch, 2.0mm pitch series pin header. Due to the welding temperature 260 degrees, higher instantaneous temperature of up to 290 degrees, so the use of this material produced by the row of pins row of female connectors cost slightly higher, choose this material is generally customers in the product quality requirements. Plastic material: PA6T 260±5ºC, time 3~5±1 seconds. Third, PA9T plastic material, this material and PA6T plastic material is almost the same, generally used in 2.54mm pitch SMD pin header, and 1.27mm pitch, 2.0mm pitch series of pin header, welding temperature of 260 degrees, higher instantaneous temperature of up to 300 degrees. Fourth, LCP plastic material, this material can be applied to a variety of pitch series of pin and bus connectors on the production, welding temperature of 260 degrees, higher instantaneous temperature up to 320 degrees. Because of the use of this material has a small coefficient of expansion, injection molding and low shrinkage and very outstanding strength and 絏 mold as well as excellent heat resistance, has a high load deflection temperature, so some of them can be as high as 340 degrees or more, LCP also has a resistance to huaxue medicine and airtightness is excellent, because of the general connector in general and especially need to be SMT are LCP material. Plastic material: LCP 270±5ºC, time 3~5±1 seconds.

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