Feb, 21 2022

EMI Silicones with Shorter Lead Times and Better Physical Properties

EMI Silicones with Shorter Lead Times and Better Physical Properties

Are you looking for an alternative to BISCO® EC-2130 EMI silicone from Rogers Corporation? Specialty Silicone Products (SSP) makes a comparable material that has shorter lead times and better physical properties. SSP-502-30 is a 30-durometer, nickel-graphite silicone that has the same hardness and uses the same type of conductive filler as BISCO® EC-2130. The lead times for SSP-502-30 are just three to four weeks, and sheets of our material are available with a conductive PSA for peel-and-stick installation. SSP also supplies a 40-durometer nickel-graphite silicone that’s available in roll stock.

Volume Resistivity, Tensile Strength, and Elongation Percentage

SSP-502-30 is very electrically conductive and provides reliable shielding against electromagnetic interference (EMI). SSP’s data sheet for this 30-durometer, nickel-graphite filled elastomer reports that it has a volume resistivity of 0.125 ohm-cm and a tensile strength of 182 psi. Rogers data sheet for BISCO® EC-2130 indicates that its material has a volume resistivity of <1.00 ohm-cm and a tensile strength of 60 psi. SSP-502-30 also has an elongation percentage of 900% vs. 50% for BISCO® EC-2130. As their respective data sheets indicate, both materials were tested according to ASTM test standards.

Conductive PSA for 15” x 20” and 10” x 20 Sheets 

Specialty Silicone Products supplies SSP-502-30 as both a ready-to-mold compound and a fully-cured conductive sheet stock. Sheets of SSP-502-30 are available in various sizes, including 15” x 20” and 10” x 20”. Sheets in these popular sizes are available with an electrically conductive pressure-sensitive (PSA) adhesive for EMI gaskets that are easy-to-install and that provide dependable electrical conductivity. SSP-502-30 sheeting can be cut into flat gaskets using a variety of conversion methods and supports thinner, smaller, and lighter-weight designs just like BISCO® EC-2130.

Nickel-Graphite EMI Silicone in Roll Stock

SSP also supplies SSP-502-40, a 40-durometer nickel-graphite silicone, as a ready-to-mold compound, conductive sheets, and as continuous rolls. With our fast, efficient roll manufacturing process, SSP can make the equivalent of 600 15” x 20” sheets in about a week. SSP can also supply you with EMI roll materials that are thin as .010” or as thick as .125”. Roll stock supports custom sizes, higher volumes, and larger gaskets. SSP-502-40 provides proven levels of EMI shielding and has been independently tested to the MIL-DTL-83528 standard for electrically-conductive elastomeric EMI gasketing.

Ask SSP for EMI Silicone Offsets

At a time when silicone buyers face constricted supplies and some products have lead times as long as 30 weeks, SSP invites you to learn more about our readily available EMI RFI silicones. SSP-502-30 offers an alternative to Rogers BISCO® EC-2130 and is also comparable to the following Parker Chomerics EMI elastomers: S6305, 6330, 6370, 6371, 6372, and 6308. Along with shorter lead times, SSP offers lower minimum order quantities (MOQs) and can provide you with certificates of analysis (COAs) or certificates of conformance (COCs).

Contact SSP on-line to learn more, or email Dominic Testo, SSP’s Business Development Manager.