Composition: 50% Phenyl, 50% Methyl Polysiloxaner- Mid to High polarityr- USP classification: G3, G17r- EPA methods: EPA 604, 608, 619, 8060, 8081rAlternative to: 007™-17, AT™-50, BPX™-50, CP Sil™ 24 CB, DB™-17, HP™-17, Rtx™-17, SPB™-50, ZB™-50