Low-cost flame-retardant ABS material and preparation and injection molding methods thereof

The invention discloses a low-cost flame-retardant ABS (Acrylonitrile Butadiene Styrene) material as well as a preparation method and an injection molding method thereof. The low-cost flame-retardant ABS material is prepared from the following components: ABS resin, high rubber powder, synergistic barium sulfate, bromotriazine, antimony trioxide, an anti-dripping agent and an antioxidant. The formula is reasonable, and the added high rubber powder can improve the flexibility and strength of the ABS material; synergistic barium sulfate, bromotriazine and antimony trioxide are added, so that the flame-retardant effect can be improved; the antioxidant is added, so that the oxidation resistance of the material can be improved, and the service life of the material is prolonged; by adding the anti-dripping agent, the viscosity of the material can be increased, splashing and dripping in the material combustion process can be reduced, the use amount of antimony trioxide can be effectively reduced, the cost is further