BONDERITE M-CR 1132 AERO ALODINE 1132 Metal PreTreatment Aerospace Conversion Coatings Easy-to-Use BONDERITE® M-CR 1132 AERO pen is designed to save labor, material, and time when applying a dry-inplace military specification approved chromate conversion coating for touch-up applications. Its proper use also reduces worker contact to chromating solutions and waste, such as rinse water generated from a chromating process. Before starting the application procedure it is necessary to become familiar with the mechanics of the pen itself.