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Pentaerythritol Ester of Modified Gum Rosin

Pentaerythritol ester of modified gum rosin are made from gum rosin, light-colored gum rosin or stabilized rosin through adding resin additive and andesterification with pentaerythritol resin additive; have the character of light color, high softening point, superior heat stability and weather resistance, especially suitabble for hot melt adhesives.