Testing for GKN Sinter Metals

Background: GKN Sinter Metals in Salem, IN is using a product (RP-99 Compound) which is manufactured by Madison Chemical Co. They have been experiencing corrosion problems, and are looking for an additive or replacement for this product.

Purpose: Find a Cortec additive or replacement for RP-99 Compound.

Method: ASTM 1748 (Humidity Chamber Test)

Materials: RP-99 Compound

EcoLine Cutting Fluid, Cortec

Procedure: Carbon steel panels were dipped in the following solutions:

RP-99 Compound

RP-99 Compound with 5% EcoLine Cutting Fluid

After drying, all panels were placed in the humidity chamber, and the test was performed according to standard procedures.

Results:

ASTM 1748 (Humidity Chamber Test)

*Typical results for 5% EcoLine Cutting Fluid

Conclusion: According to the above test results, EcoLine Cutting Fluid at 5% added corrosion protection to the RP-99 Compound.

EcoLine cutting fluid at 5% is recommended as an additive, or a replacement for the RP-99 Compound.

Estimated Cost of Project: $150.00

To: Ken Motsinger, Ken Motsinger Associates

For: GKN Sinter Metals, Salem IN

From: Debbie Hannan

Date: September 18, 2001

cc: Boris Miksic

Anna Vignetti

Art Ahlbrecht

Cliff Cracauer

Christophe Chandler

Vanessa Schultz