Iron guardrail base general approach to classification according to the model, the custom is divided into ordinary sand and heavy weight iron iron。 The road block sand breeding weight iron including green sand mold, dry sand, sand three kinds of chemical hardening。山东铸铁护栏生产厂家
Iron guardrail base used in the polymer composite materials, engineering plastics of hot dip coated with a layer of strong adhesion of the protective layer on the surface of the guardrail guardrail base, the base is completely isolated from the air, water and acid substances, aging resistance, abrasion resistance, resistance to ultraviolet light, never corrosion, the final product by pressing.
Cast iron guardrail base is environmentally friendly products, combined with the appearance of steel fence and PVC guardrail. The use of advanced process, it does not rust, discoloration, acid and alkali resistance, in the service life of the guarantee, no rust, paint, do not require special maintenance.
When it is dirty, it is easy to make it fresh with water and detergent, can ensure the viewing effect is consistent. The appearance of plump and bright, honest, innovative atmosphere, bright and shiny, white, white marks are not easy to rub.
According to the structure, size and weight of castings, casting alloy characteristics and production conditions, choose appropriate parting surface and modeling, core making method, reasonable reinforcement, cold iron, casting riser and pouring system, in order to guarantee the high quality castings。