Devcon Wear Guard 14601 ceramic epoxy comes in white and is packaged 30 lb per inner. Can be used with fiberglass, metal. Designed to have chemical-resistant properties. This product requires a specific mix ratio for proper use. Requires a 2:1 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.