... building joints, including perimeter caulking of doors and windows one component polyurethane joint sealant1. TECHNICAL DATA SHEET(1): Testing Items ... items’ storing.2. DESCRIPTION:Lejell 210 is a one component gun grade polyurethane based construction sealant, it is of ... Meet national standard for sealing of drinking water pipe.* One component, no need of mixing.* Easy for applying.* Highly elasticity ...