Before bonding two surfaces together that may be resistant to adhesives (or slow to bond), apply an adhesive primer or activator, available in different application methods and made for specific material. Here are some important details for Loctite Primer T 7471. Application: Improves Cure Speed and Adhesive Bond Strength, Cleans Bonding Surfaces and Provides Curing of Inactive Metal Surfaces.. This item has been restricted from sale in the following state(s): []