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1 Antistatic Equipment Lineup of products with conductivity prevention Friction, contact and detachment cause the build up of static electricity. Static electricity can be instantaneously removed from metals with low volume resistance (conductors) by grounding. Resin and rubber (insulators) which have high volume resistance, however, build up static electricity as it is not eliminated even through grounding. Charged substances cause various problems such as the destruction of devices by electrical discharge, dust adhesion, and the like. Hence, SMC has a lineup of products to which conductive resin and rubber are applied in order to remove static electricity. Volume Resistance (Ω・m) for Reference SMC Conductive Device Resistance (Ω・m) 1015 1010 105 100 10-5 For reference: The following table shows the electric resistance and characteristics of major materials. SMC’s conductive resin and rubber incorporates the following volume resistance materials. Materials Resin, Rubber (Insulator) Conductive resin, Conductive rubber Metal (Conductor) Electric resistance 1012 to 1018 Ω・m 1011 Ω・m or less 100 Ω・m or less Characteristics Some static electricity does not attenuate after charging. Grounding is not useful. It is possible to remove static electricity by seconds after grounding. Static electricity can be instantaneously removed by grounding. Good conductor Semiconductor Insulator Antistatic One-touch Fittings Series KA Antistatic Tubing Series TA Antistatic Speed Controller (with One-touch Fitting) AS1F-X260 Conductive Pad Series ZPGN/ZPGS Air Cylinder CM2-X1051 Metallic Body Speed Controller Series AS21 Antistatic Color Tubing TAU-X100 Resin, Rubber (Insulator) Conductive resin, Conductive rubber Metal (Conductor)