Gum Rosin (Staybelite A) 500 G Bag

SKU: NAP-510-33HRG-911
Unit Price
US$ 19.75
US$ 19.75
US$ 19.631%
US$ 19.561%
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Usually ships the next business day.

Staybelite A resin is gum rosin that has been partially hydrogenated via a catalytic process. It is a pale, thermoplastic, acidic resin, and has similar characteristics to Staybelite hydrogenated wood rosin. Hydrogenation makes rosin highly resistant to oxidation and discoloration, and to changes in solubility, when exposed to air and heat. In these respects, Staybelite A is greatly superior to non-hydrogenated rosin. Metallic salts and other derivatives of Staybelite resin inherit this stability to a large degree. The softening point of Staybelite resin is slightly lower than that of non-hydrogenated rosin; otherwise, its solubility and compatibility characteristics are similar to rosin.


Staybelite A is superior to gum rosin in that it has exceptionally pale color, is resistant to oxidation and discoloration, and has a wide solubility and compatibility range greater than ordinary non-hydrogenated rosin.


• Component in thermoplastic mixtures for polishing wax, sealing wax and encaustic wax.
• Used in the preparation of synthetic resins and metal resinates.
• Used in most applications where gum rosin is used.

CAS Number 65997-06-0
Color (USRG Rosin Scale) X
Softening Point (Ring and Ball) 73° C
Acid Number 158
Refractive Index (at 100° C) 1.5007
Density (at 25° C) 8.7 lb/gal (1.045 kg/l)
Abietic Acid
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This product is shipped from our supplier's warehouse in Willits, CA, United States
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This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
A 25% handling charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% handling charge. Damages & defects must be reported to us within 14 days.
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