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NHFR + static conductive?

NHFR + static conductive?

NHFR + static conductive?

(OP)
I need to make a rubber compound that is flame retardant (V0 or V1 per UL94) using Non-Halogenated Flame Retardants but the compound also needs to be static conductive (~10^7). Since compounding for NHFR requires high levels of ATH or MgOH, which would not be static conductive, and conductive black is burnable, this seems like a difficult request. Any suggestions on how do this?

I'm working with millable urethane rubber, although I'd think the answer would be the same for any rubber.

Thanks,

Tom Jablonowski, TSE Industries, Inc.
www.tse-industries.com

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