Gum Rosin
Gum Rosin 1.WW grade, X grade, WG grade,WG grade,M grade, N grade, K grade. 2.For coatings, paper, ink,rubber, soaps etc.
Gum Rosin
| Items | Gum Rosin | |||||||
| Special Grade X | First Grade WW | Second Grade WG | Third Grade N | Fourth Grade M | Fifth Grade K | |||
| Appearances | Transparent Solid | |||||||
| Color | slightly yellow | pale yellow | yellow | deep yellow | yellow brown | yellow red | ||
| Correspond to the Standard Glass Color Piece of Rosin | ||||||||
| Softening Point(R&B),°C,min | 76 | 75 | 74 | |||||
| Acid Value,(mgKOH/g),min | 166 | 165 | 164 | |||||
| Alcohol insoluble Substance,(%),max | 0.03 | 0.03 | 0.04 | |||||
| Unsaponifiablematter,(%),max | 5 | 5 | 6 | |||||
| Ash,(%),max | 0.02 | 0.03 | 0.04 | |||||
| Packing | 1.Drum:Galvanized iron drum,225kgs net each drum.2.Bag:Kraft paper bag or plastic intertexture bag,25kgs net each bag. | |||||||
| Applications | They are all important raw materials for the production of paper,coatings,inks,rubber,soaps,eletronic industrial products,food grade eater gum,rosin ester resins etc. | |||||||
Gum Rosin
