145# rosin pentaerythrite ester is produce of esterification of rosin with pentaerythrite. It dissolve in ester ,ketone, aromatic hydrocarbon. Mix well with high polymer for NR, CR, SBR, EVA, SIS and SBS. It can increase initial adhesive strength of various kinds of adhesive.

Specifications.

Appearance	Softening point(R&B,oC)	Color (Gardner)	Acid No. (mgkoH/g)
Light yellow flake solid	＞90	＜6	＜25