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Petroleum resin

C5/C9 aromatic hydrocarbon used in industrial applications; it has a tackifying effect and is suitable for use in paint, printing ink, adhesives, rubber and other areas where tackiness is required

Pronunciation
/pəˈtroʊliəm ˈrɛzən/
/pɪˈtrəʊlɪəm ˈrɛzɪn/