Western polyrub manufacture conductive ,dissipative,insulative and antistatic silicone rubber in black as well as colour with all certification Difference between Conductive, Dissipative, Insulative andAntistaticFor ESD purposes The materials are classified by how quickly electricity moves through the material. The speed is referred to as the “resistance” of the material i.e. how strongly the material resists charge movement.Results are measured in Ohms and are typically displayed in powers of 10. The lower the number, the more conductive the material and may be considered “Antistatic”.Classification Charge Movement Resistance Ohms The following ranges and definitions are found in ESD Association or EIA standards publications:Conductive materials: With a low electrical resistance, electrons flow easily across the surface or through the bulk of these materials. Charges go to ground or to another conductive object that the material contacts or comes close to. Conductive materials have a surface resistivity less than 1 x 10^5O/sq or a volume resistivity less than 1 x 10^4 O-cm. Dissipative materials: For these materials, the charges flow to ground more slowly and in a some what more controlled manner than with conductive materials. Dissipative materials have a surface resistivity equal to or greater than 1 x 105 O/sq but less than 1 x 10^12 O/sq or a volume resistivity equal to or greater than 1 x 10^4 O-cm but less than 1 x 10^11 O-cm. 2 Insulative materials: Insulative materials prevent or limit the flow of electrons across their surface or through their volume. Insulative materials have a high electrical resistance and are difficult to ground.Static charges remain in place on these materials for a very long time. Insulative materials are defined as those having a surface resistivity of at least 1 x 1012 O/sq or a volume resistivity of at least 1 x 1011 O-cm.Anti-Static: Is a term used to describe materials that prevent the buildup of static electricity. Both conductive and dissipative materials are classified as Antistatic. Insulative materials are not.How to Measure Surface Resistivity. The Surface Resistance Meter is an easy to use tester for measuring surface resistivity. This SRM 200 uses parallel electrodes and concentric rings to accurately measure RTT,RTG, or resistivity for periodic verification, factory audits or test lab evaluation of product.This meter is designed to be used in all facets of material production including engineering, maintenance,quality control, incoming inspection, manufacturing, research, or sales departments for the testing of antistatic mats, floor finishes, paints, wrist straps, smocks, footwear, bags and containers. Method of Application A Pressure Sensitive Adhesive (PSA) backing and/or mechanical fasteners.