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Osisense XC - Oxygen index of the plastic material used in the enclosure of the XCKP, XCMN, XCKT & XCKS limit switches

The plastic case of the XCKP, XCKT, XCMN and XCKS blue limit switches is a blue Valox 553, or PBT+PC GF30. It is flame classified UL94 V-0.
Oxygen content or oxygen index O.I. = 34% according to the ISO 4589 standard. It complies to the minimum value of the R23 requirement set in the EN 45545 european standard for railways (>32% for HL3)
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