2016/1645 - A product in the form of irregular, flat, brown, hard fragments (about 2 mm thick) or flakes, manufactured of (% by weight): — pine resin (also called tall oil rosin or rosin) approx. 58-69, — maleic acid anhydride approx. 1-4, — various phenols approx. 11-24, — formaldehyde approx. 5,5-9, — pentaerythritol approx. 7-12. The product results from a multi- step process starting with rosin and maleic anhydride being transformed into a rosin adduct. After the addition of magnesium oxide (as a cataly - The Trade Hub