Honduran Gum Rosin

HROSIN – Honduran Gum Rosin (WG/WW)

HROSIN is colophony or gum derived from varieties of pine trees in Honduras. It is produced by heating fresh liquid resin to vaporize the volatile liquid components. It is semi-transparent and varies in color from dark yellow to light brown.
Main applications include adhesives, chewing gums, coatings, cosmetics, linoleum, paints, printing inks, resins, rubber, sizes, varnishes.


Honduran Gum Rosin General Specifications

Acid Number ( mg KOH/g ) – Specs147-157
Acid number – Typical152-157
Softening Point (ºC), R&B – Specs66ºC - 72ºC
Softening Point (ºC), R&B – Typical68ºC
Color Grade USDAWG/WW
Color Gardner – 1:16/7
Total VOC (%) – SpecsNegligible
Unsaponifiables (%) - Specs7-12
Unsaponifiables (%) - Typical10
Refractive Index, 20ºC1.540
Iron content15 ppm
Toluene Insoluble0.01% max
Ash Content0.01% max


  • The standard characteristics of the gum rosin may vary due to its natural origin.
  • Safety Data Sheet and Technical Data Sheet are available upon request.


  • Paper Size
  • Adhesives
  • Gum Rosin Derivatives
  • Inks


1 pound, 2 pound, 5 pound and 10 pound in polyethylene bags. 55 Lbs (25 kg) in polypropylene bags.

The information in this publication is, to the best of our knowledge, true and accurate, but since the conditions of use are beyond our control, no warranty is given or to be implied in respect of such information. We are, at all times, willing to study customer’s specific outlets involving our products in order to enable their most effective use.

Distributed in the U.S.A. by:

Rosin Factory(Division of Chemical Store Inc.)
1059 Main Avenue, Clifton, NJ 07011 •  U.S.A.
Tel: (201) 565-8888
E-Mail: rosinfactory@chemicalstore.com

Where to Buy Rosin?

Our rosin products are available for sale at www.ChemicalStore.com. For large orders please call in advance and verify the availability, wholesale discounts and shipping options. If you cannot find any product in the online store of your choice, please use the search option of the store or call (973) 405-6248 for further assistance.

All orders will be shipped from our warehouses in the United States (USA). We ship worldwide (Only wholesale quantities) to most countries including Canada, Australia, United Kingdom, New Zealand, Germany, France, Netherlands, and many other countries. International buyers must have experience in importing, be familiar with all import regulations, and have a valid tax id.