青云翻译

Other information: varieties of gum rosin, wood rosin and tall oil rosin. Rosin quality, according to color, acidity, softening point, transparency may be. General color more light the better the quality; rosin acid content greater, the greater the acidity, the higher the softening point

　　Additional information: varieties of gum Rosin, wood Rosin and tall oil Rosin and so on. Rosin quality, based on color, acidity, soft point, transparency may be. General color more light, quality, the better; Rosin acid content, the greater acidity larger, higher the softening point

　　Other informations: The variety has the fat rosin, the wooden rosin and the tall oil rosin and so on.The rosin quality, according to the color, the acidity, the softening point, the transparency and so on decides.The general color is shallower, the quality is better; The rosin acid content is bigg

Other information: varieties are resin and rosin, wood rosin and rosin oil, etc. Rosin quality, by the color, acidity, softening point, transparency, etc. . In general, the quality is better, more color rosin acid content, the bigger the bigger the acidity, the higher softening point

　　Additional information: varieties of gum Rosin, wood Rosin and tall oil Rosin and so on. Rosin quality, based on color, acidity, soft point, transparency may be. General color more light, quality, the better; Rosin acid content, the greater acidity larger, higher the softening point