Features Elastic Non-corrosive Can be over painted Can be sanded NSF approved for incidental food contact Polyurethane (PU) industrial adhesive/sealant . Hazardous: HAZARDOUS. Combustable liq: C1. Material: Polyurethane. Container size: 310 ml. Colour: Black. Feature: Elastic, non-corrosive, can be over painted, can be sanded, silicone free, excellent adhesion.. Application: Suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics..