Gum Rosin Lumps, Honduran, Grade WG/WW

Gum Rosin Lumps, Honduran, Grade WG/WW

  • $10.00

HROSIN is colophony or gum derived from pine tree species known as Pinus Oocarpa in Honduras. It is produced by heating fresh liquid resin to vaporize the volatile liquid components. It is semi-transparent pine rosin and varies in color from dark yellow to light brown.
HROSIN Contain about 10% natural nsaponifiable matter that provide anticrystalline properties to the rosin and its compounds.
Main applications include adhesives, chewing gums, coatings, cosmetics, linoleum, paints, printing inks, resins, rubber, sizes, varnishes.

Additional Description

Other Specifications:
Color Grade USDA WG/WW
Appearance Pale Yellow, Transparent
Softening Point (Ring & Ball) 66 – 72°C
Acid Number (mgKOH/g) 147 – 155
Specific Gravity @ 25°C 1.06 – 1.08
Refractive Index 20°C 1.540
Unsaponifiable Matter 7 – 12.1%
Toluene Insolubles 0.01% Max.
Iron Content 15 PPM Max.
Ash Content 0.01% Max.
Volatiles Matter Negligible
Flash Point °C (COC) Above 204°C


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