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Monday, May 19, 2008

Rust Remover Jelly

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Rust Remover Jelly

This rust removal composition contains a synergistic combination of VAN GEL ®
B
Magnesium Aluminum Silicate and VANZAN® Xanthan Gum. This composition provides thickening and stabilization, as well as vertical surface cling, which prolongs the working time of the acid.

Ingredients % by Weight
VAN GEL B, Magnesium Aluminum Silicate 3.0
VANZAN, Xanthan Gum 0.8
Water 53.2
Phosphoric Acid, 50% Aqueous Solution 40.0
Octoxynol-9 3.0

Procedure:

Step 1. Blend the VAN GEL B and VANZAN and sift into an established vortex in the
water. Mix at maximum available shear until fully hydrated*.

Step 2. Reduce the stirrer speed to produce a slight vortex and slowly add the
phosphoric acid solution.

Step 3. When all the acid has been added, add the octoxynol-9 and mix until uniform.
This formula passed three (3) months of laboratory stability testing at room temperature,
5oC, and 50oC, and 3-cycle freeze/thaw.

*Refer to the VEEGUM®/VAN GEL Brochure for hydration guidelines.
VEEGUM, VAN GEL and VANZAN are registered trademarks of R.T. Vanderbilt Company, Inc.

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