Pva けん化度

    #kuraray

    #kuraray america

    #vectran

    #kuraray america eval

    #kuraray america inc

    #kuraray eval

    #evoh barrier

    #kuraray poval

    #poval

    #pva けん化度

    #kuraray elastomers

    #kuraray co. ltd.

    #kuraray europe gmbh

    #polyvinyl butyral

    #elvanol

    #isopentyldiol