Devcon 17626 ceramic epoxy comes in red and is packaged 2 lb per inner, 6 per case. Can be used with fiberglass, metal. Designed to have chemical-resistant, corrosion-resistant properties. This product requires a specific mix ratio for proper use. Requires a 3.4:1 mix ratio. Cure time should always be considered on any application or project. Once applied, this product requires a 16 hr cure time before it is fully set and provides maximum strength.