ALSAN TRAFIK RS 733 Part B (filler) is utilized in conjunction with ALSAN TRAFIK RS 733 Part A Summer or Winter (resin) to create ALSAN TRAFIK RS 733 Self-Leveling Mortar. It may also be used with ALSAN RS 240 LO to create ALSAN RS 263 LO Self-Leveling Mortar.