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Gum Rosin (CAS No.: 8050-09-7)

Name: Gum Rosin CAS No.: 8050-09-7 Purity: 100% Brand Name: HuanQiu 317 Grade Standard: Industrial Grade Packaging & Delivery Packaging Detail: In galvanized iron drum, 225kgs net each drum In kraft paper bag without liner, 25kgs net each bag In polypropylene woven bag, 25kgs Delivery Detail: Within 25 days after the order confirmed. Specifications: Parameter Grade Standard: GB/T8145-8146-2003 X WW WG APPEARANCE Transparent Transparent Transparent COLOR Light Yellow Pale Yellow Yellow SOFTENING POINT(R&B)° C 76.0 76.0 75.0 ACID NUMBER(mg KOH / g)≥ 166.0 166.0 165.0 UNSAPONIFIABLE MATTER % ≤ 5.0 5.0 5.0 ETHANOL INSOLUBLES % ≤ 0.030 0.030 0.030 ASH CONTENT % ≤ 0.020 0.020 0.030 USE: Gum rosin is made of natural resin, its general formula is C20H300200 Gum rosin is made of natural resin, its general formula is C20H30020. Gum rosin also called colophony, is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpene components. It is semi-transparent and varies in color from yellow to black. At room temperature rosin is brittle, but it melts at stove-top temperatures. It chiefly consists of different resin acids, especially abietic acid. Gum rosin is an important raw material for the manufacture of adhesive, coating, inks, rubber, soaps, paper etc. contact : lunachenlele at gmail dot com
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