Foshan Baolin Chemical Industry Co., Ltd.

Foshan Baolin Chemical Industry Co., Ltd.


Disproportionated Rosin Extra Grade

Item No.: BD-EX
Is a type of modified rosin that can enhance many features of rubber products - By Disproportionated Rosin Suppliers
  • TDS - Disproportionated Rosin Download
  • 技术数据表 - 歧化松香 Download

CAS No.: 8050-09-7
EINECS No.: 232-475-7
Formula: C19H27COOH


Disproportionated rosins is made of original gum rosin that catalyzed by dehydroabie acid and dihydroabtice acid under the inorganic acid and high temperature, and it finally become a kind of disproportionated product via oxidation & reduction reaction. Disporportionated rosins can be used as emulgator for synthetic rubber manufacturing, it can enhance the finished product’s intensity, thermal endurance, rub resistance and durability. In addition of rubber products, such a material also can be used for coating, adhesive, water-based pressure sensitive adhesive and chewing gum.


GradeExtra Grade
Color (Net Gardner)6-7
Abietic acid (%) max0.5
Dehydroabietic acid (%) min45
Softening point (R&B,°C) min75
Acid number (mgKOH/g) min150
Unsaponifiable matter (%) max12


» Synthetic rubber.
» Coating & adhesive.
» Water-based pressure sensitive adhesive..
» Chewing gum.


Wrapped up with kraft bag, 25kgs/bag, 32bags/pallet, for 20’FCL, it can load 16 tons with pallet (20 pallets / 640 bags), and 18 tons without pallet (720 bags).

disproportionated rosins,disproportionated rosin


Storage & Transportation

Sealed well and stored in cool and dry place, can’t be stored and delivered together with pyrophorus, strong oxidants & acid.

Related Products...

     Gum Rosin WW Grade

     Gum Rosin X Grade

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