Manufacturer: Sovereign Chemical Company

WW Gum Rosin Crushed

Manufacturer: Sovereign Chemical Company

Classification: Tackifier

Chemical Composition: Brazilian or Portuguese gum rosin

Physical Data

Specification Properties Value Test Method

Softening Point 70-80oC ASTM E28-67

Acid Number 158-170mg KOH/g ASTM D464-59

Toluene Insolubles 0.1% Maximum NBR 9387

Typical Properties

Specific Gravity 1.08 Typical

Physical Form Pale yellow flakes Visual

Applications

Uses: Tackifier for synthetic and natural rubber based compounds. Especially good for tackifying natural rubber compounds.

FDA Status

Adhesive component, indirect food additive 21 CFR 175.105(c)(5)

Resinous and polymeric coating 21 CFR 175.300(b)(3), 21 CFR 175.320(b)(3), 21 CFR 178.3870(a)(1)

Packaging and Storage

Packaging: 55 lbs multi-walled paper bag.

Shelf Life: 2 years from date of manufacture if stored as indicated below (does not include remassing.

Storage: Store in a cool dry place in original packaging. Because of its low melt point the material will remass in the summer months.

Specification Date: May 22, 2006 (Supersedes: July 14, 1998)

Sovereign Chemical Company Product Name - Page 2 of 1

Document Number: SCCF05.2.A Issue Number: 2 Issue Date: 8/4/00