Brazilian Gum Rosin

BROSIN – Brazilian Gum Rosin (WW)

BROSIN is a gum rosin, derivative from “Pinus Elliotis” and is produced in a highly controlled process with selected raw materials, so resulting in a very clear and uniform product.


Brazilian Gum Rosin General Specifications

Acid Number (mg KOH/g) - Specs155-175
Acid number - Typical165
Melting Point (ºC), R&B - Specs75-82
Melting Point (ºC), R&B - Typical77
Colour Gardner - Specs7 max
Colour Garnder - Typical5/6
Total VOC (%) - Specs1,5 max
Total VOC (%) - Typical0,8
Crystallization Time - (*)More than 4 hours
Saponification Number - (*)160-170
Unsaponifiables (%) - (*)10 max
Total of Rosin Acids (%) - (*)90 approx.

(*) – items normally not included in the Certificate of Analysis


  • 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


Flakes, in 25 Kg paper or polypropylene bags
(Smaller quantities are available in polyethylene 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

Where to Buy Rosin?

Our rosin products are available for sale at 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.