Core Bonding 5500 is a sprayable core bonding compound. This putty is engineered for bonding and bedding PVC foam and balsa core material for marine and industrial building applications. CB5500 designed to cure having great adhesion, as well as low shrinkage, low exotherm and minimal print through. This putty can have adjusted dry times with the use of MEKP-9. Click on the TDS pdf below for more information.