This Set of 3 SIKA Sikaflex 221 Multipurpose Mastic Adhesives - Steel Grey - 400ml, is a flexible mastic adhesive designed for making high-strength sealing joints and adheres to many substrates such as wood, metals, primers and paints (bi-component), ceramics and plastics. Use before 11/2021. Advantages: Single component Excellent ageing resistance Non-corrosive Can be painted and sanded NSF approved for safe use in food environments Characteristics: Density: approx. 1.3kg/l (depending on colour) Application temperature: +5C to +40C Skin formation time: approx. 60 min Open time: approx. 45 min Colour : Steel grey SHELF LIFE : 11/2021 Packaging: 3x SIKA Sikaflex 221 multi-purpose mastic adhesive - Steel grey - 400ml