-
ROSIN Repon Sory - Sor 422
ROSin Repin Sor 422 bụ acid acid resin, nke a makwaara dị ka akpịrị na-acha uhie uhie acid resin. Ọ bụ sọks siri ike site na mmeghachi omume nke Rosin na ụmụ nwoke acid acid gbanwee site na ịgbakwunye rosin ka ọ bụrụ nwoke ashydride na Emperol ma ọ bụ pentaerythrol.
