BZD-300 semi-automatic cartridge filling machine is a kind of horizontal filling equipment filling silicone sealant, polyurethane sealant and such high viscosity materials in the plastic cartridge, paper tube and aluminum tubes, etc. The product is fully automatic, with no manual operation. It features accurate metering, fast filling, long-time continuous operation etc., fully meeting the production requirements of domestic and foreign factories for largescale production, reduction of cost and consistent product quality. It forms a complete automatic sealant production line together with the formerly developed SLG series twin-screw sealant automatic production line and JTH series static mixer, and will become a power assistant for most manufactures to upgrade products.