Roan Industries RI-85 Cement Grinding Aid

Trade Name

Source and Character
RI-85 contains approximately 50% Triethanolamine and other amines, 30% Water, and 20% Acetic Acid obtained from a variety of suppliers.

Amount Recommended for Use
Between 0.01 and 0.06% RI-85 should be added, depending on the cement plant conditions and intended use.

Highest Amount That Has Demonstrated Compliance

Method for Determination of RI-85 in finished cement
Triethanolamine (TEA) is leached from the finished cement using hot water. The TEA is then purified using several ethanol washes. The purified TEA is then reacted with hydrochloric acid vapors to form triethanolamine hydrochloride, a salt. A KBr pellet is formed using the TEA hydrochloride and analyzed by FTIR.

Names and Locations of Testing Labs
Ambric Testing Labs
4041 Ridge Avenue
Philadelphia, PA 19129

Roan Labs
7278 Park Drive
Bath, PA 18014

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