SABIC INP338 is an ultra high ruSABIC INP338 is an ultra high rubber ABS impact modifier resin, and is based on polybutadiene rubber.SABIC INP338 is an ultra high rubber ABS impact modifier resin, and is based on polybutadiene rubber.SABIC INP338 is an ultra high rubber ABS impact modifier resin, and is based on polybutadiene rubber.bber ABS impact modifier resin, and is based on polybutadiene rubber.