Applications Manual gun for 385 ml two-component cartridge ratio 3:1 Characteristics 385ml Cartridge Ratio 3:1 Properties RBM 385 is a PC COX SULZER manual pistol. RBM 385 is a 385 ml 3:1 ratio BI COMPONENT cartridge applicator. RBM 385 is ergonomic, very robust and easy to use.  This RBM 385 manual dispensing system from the manufacturer PC COX SULZER enables the use of products of type ACROBOND A and ACROBOND PU and ACROBOND MS and ACROBOND EP. Other manual guns from PC COX SULZER are available for products requiring different mixing ratios.