Tungsten Needle Applied for Spray Point

Tungsten needle applied for spray point has better performance than traditional steel wire or stainless steel wire. For example, such an electrostatic discharge needle has higher melting point, higher hardness, and longer service life, etc. It also has the characteristics of good ion release effect, and long ion transmission distance. In addition, the tip of needle is not easy to get dull, and is easy to clean.

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So, what is a spray point? Or what is an electrostatic discharge needle? The spray point is a device that discharges high voltage electricity through the tip of the tungsten needle, releasing positive and negative ions. This device can be seen on a static eliminator. The traditional discharge needle usually uses steel wire or stainless steel wire with a length of about 8mm-15mm, and one or both ends are sharpened, and the high-voltage electricity is on by induction or a direct way to achieve tip discharge. Now, they have been gradually replaced by tungsten needles.

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