C.F.R. » Title 7 » CHAPTER I—AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE › SUBCHAPTER F—NAVAL STORES › PART 160—REGULATIONS AND STANDARDS FOR NAVAL STORES

7 C.F.R. § 160.14

Opaque rosin

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The term “opaque rosin” shall apply to the article resulting when rosin undergoes internal modification indicated by a turbid, clouded, or opaque appearance, that is, loss of transparency, brought about by the occlusion of moisture or the formation of an excessive quantity of resin acid crystals in the rosin.