Terpene Resin is a moisture barrier that is the betapinene polymer
obtained by polymerizing terpene hydrocarbons derived from wood.
it is used on soft gelatin capsules in an amount not to exceed 0.07%
of the weight of the capsule, and on powders of ascorbic acid or its
salts in an amount not to exceed 7% of the weight of the powder.
Terpene resin Preparation Products And Raw materials