Bulk Molding Compound

1. Introduction:

BMC material (also known as BMC thermosetting plastic, flame-retardant BMC) is a thermosetting plastic typically used for compression/injection molding semi-finished products. It is composed of various ingredients, including resin, mineral fillers, reinforcing materials (usually glass fibers), initiators, release agents, thickeners, and other processing aids.

Due to its excellent electrical properties, light weight and high strength, corrosion resistance, and design flexibility, BMC material is widely used in various fields such as transportation, electronics, and bathroom fixtures. Given its good flowability, BMC is often used for molding products that require slightly lower strength but have precise and complex structures.

2. Advantages:

Flexible Design: SMC/BMC can be molded or injection molded in one go, reducing post-processing. We can handle anything from large flat panels to complex precision components with ease. We can design grooves/through holes during molding to eliminate subsequent machining; integrally mold with metal inserts to save installation steps; design any complex structures to improve production efficiency; and simplify component structures with integrated design.

Customizable Performance: As SMC/BMC are composite materials, their compositions are diverse. Changes in the types and amounts of various components can alter material properties and molding processes, resulting in various excellent characteristics. Huayuan selects raw materials that meet your specific requirements to satisfy different process and performance needs. Each of our materials is custom-made for you.

High Structural Precision: SMC/BMC can achieve zero shrinkage, with no post-shrinkage after molding, and a very low coefficient of linear expansion. There is no need for forming fixtures or mechanical processing, as it completely replicates the mold's cavity and core dimensions. It has excellent spatial stability, achieving a perfect fit.

Fire Retardant: SMC/BMC composites achieve high flame retardancy, low smoke density, non-toxicity, and low heat release by adding specific flame retardant components. The high flame retardant composites we provide are halogen-free and fully comply with ROHS standards. The molded products do not burn or deform in a fire, do not collapse, and have good fire insulation, preventing flame spread. This effectively reduces the probability of fire incidents, minimizes fire losses, and facilitates safe evacuation. We can meet increasingly stringent flame retardant requirements for you.

Pressure Resistance and Insulation: Due to the excellent pressure resistance and insulation properties of SMC/BMC composites, they are widely and maturely used in the electronics, electrical, and communication fields. SMC/BMC has high insulation resistance, resistance to tracking, arc resistance, and voltage resistance, making it very suitable for various high, medium, and low voltage products.

Appearance Design: A good formulation system can allow SMC/BMC composites to achieve an A-grade surface without the need for painting after molding. With internal coloring, the overall color is strong, and the color selection can be fully tailored to your requirements. Additionally, the diversity of components makes it highly compatible, allowing for the addition of any elements that do not affect the material's molding and performance. This brings a rich and colorful appearance to the products.

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