Chinese Gum Rosin

Chinese rosin (Product Code: CROSIN) is obtained mainly from the turpentine of Masson’s Pine Pinus massoniana and Slash Pine P. elliottii.

CAS# 8050-09-7


Chinese Gum Rosin General Specifications

Color Grade USDAWG/WW/X
Softening Point (Ring & Ball) °C76°C Min.
Acid Number (mg KOH/g)166 Min.
Unsaponifiable Matter5% Max.
Insoluble Matter in Alcohol0.03% Max.
Ash0.02% Max.


The Chinese rosin (CROSIN) is normally packaged in galvanized steel drums in solid form with a net weight of 496 lbs. (225 kg), gross weight is approximately 513 lbs. Chinese Rosin is also available in 55-Lb bags in boxes or on pallet. Special care should be taken when using crushed rosin for hot-melt adhesive applications to ensure a safe environment since dust may flash (explode) in temperatures above 204ºC (400°F).

These specifications are typical of this Rosin, but since it is a natural product, we cannot guarantee them.

(Typical mixture of 95% Pinus Massoniana and 5% Pinus Elliottii)

The information and recommendations set forth herein are presented in good faith and are believed to be correct and reliable. PDM, Inc. makes no representation as to the completeness or accuracy thereof and supplies information upon the condition that the persons receiving it will make their own determination as to its suitability for their purpose prior to use. All unmodified gum rosin products sold by PDM, Inc., including the Chinese gum rosin, are representative for TSCA purposes under CAS# 8050-09-7. All components of this product are listed in the TSCA inventory or are considered to be impurities or by-products exempt from inventory requirements.

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.