Mantaline Corp. v. PPG Industries, Inc.

OPINION

AMBRO, Circuit Judge.

I. Background

Appellant Mantaline Corporation (“Mantaline”) is a vendor of window gaskets. In 1986, PPG Industries, Inc. (“PPG”) submitted to Mantaline a purchase order (“1986 Purchase Order”) for window gaskets on PPG’s standard form. Among the form’s terms were provisions (1) requiring disputes to be arbitrated in Pittsburgh, Pennsylvania, and (2) requiring Mantaline to indemnify PPG for any damage claims PPG might pay arising out of the contract.

In 1992, Security Life of Denver Insurance Company (“Security Life”) sued PPG in the United States District Court for…