GUN GRADE TWO PART POLYSULPHIDE SEALANT
It is a gun grade two part polysulphide sealant conforming to BS 4254 : 1983, BS 6920:1988, ASTM C 920-87, Type M, Class 25. It is used for sealing expansion construction joints between structures in building construction like infill panels, metal finishes; it is suitable for sealing vertical joints only.