Competitive Rosin (X, WW. WG. N. M. K Grade)

1. CAS No.: 8050-09-7
2. HS: 3806101000
3. Form: Semi-transparent solid.
4. Type of Gum Rosin: X, WW, WG, N, M, KSpecification: 1. Appearance: Pale yellow Solid transparent nature resin
2. Standard: GB/T 8145/8146-2003
3. Packing: Drum / complex bag
4. Usage: Adhesives, Rubber Compounds, Ink, Painting
5. Storage: Store in ventilated and dry warehouse at low temperature, separated from antioxidant. 1) China original gum rosin
2) Natural organic compound, mainly composed of resins
3) Possesses chemical activity when dissolved in many organic solvents
4) Used for the manufacturing of paper, paint, soap and printing ink
5) Easily softened and oxidized
6) In the oil paint industry, the carboxylation reaction of resin acid is usually employed to produce resinate for further use
7) In the producing of synthetic rubber and printing ink, resin acid is changed into disproportionate rosin, polymerized rosin, hydrogenated rosin, for further use by its double bond reaction Index/GradeXWWWGNMKColoryellowishlight yellowyellowdeep yellowyellow brownyellowish redConform to Color Requirements of STD Glass for RosinAppearancetransparent solidSoftening point(ring-and-ball apparatus)°C≥767574Acid value mgKOH/g≥166165164Content of non-saponifiable matter%≤556Content of ethanol insolubles %≤0.030.030.04Ash content %≤0.020.030.04