Korea Customs Service / Official 2026

040023

이소부텐-이소프렌(부틸)고무(IIR)ㆍ할로-이소부텐-이소프렌고무(CIIR이나 BIIR)

Isobutene-isoprene (butyl) rubber (IIR); halo-isobutene-isoprene rubber (CIIR or BIIR) :