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Bulk Moulding Compounds Phenochem Organics bulk molding compounds (BMC) exhibit an outstanding mix of physical, chemical, and thermal properties, making them an ideal replacement for metals such as steel and die-cast aluminum. BMC exhibits superior strength-to-weight ratios, and is suited for high stress, high humidity, and high temperature environments, as they will not rust or corrode. And because many components can be molded along with the part, and require little to no final finishing, they are often more economical from a total manufacturing standpoint.
BMC is a thermoset plastic resin blend of various inert fillers, fiber reinforcement, catalysts, stabilizers, and pigments that form a viscous, 'puttylike' compound. BMC is highly filled and reinforced with short fibers. Glass reinforcement represents between 10% and 30%, with glass length typically between 1/32-inch and 1/2-inch (12.5mm).
Depending on the end-use application, compounds are formulated to achieve close dimensional control, flame and track resistance, high dielectric strength, corrosion and stain resistance, UV resistance, superior mechanical properties, low shrink, and color stability. Its excellent flow characteristics and electrical and flame resistant properties make BMC wellsuited to a wide variety of applications requiring precision in detail and dimensions.
In addition to performance, BMC is also aesthetically appealing. The material can be molded in a wide variety of colors. Alternately, BMC can tolerate powdercoat or water-based paint.
BMC is available in various grades and flow ranges for compression, injection, transfer, and runnerless injection compression molding. Find out why BMC is fast becoming the material of choice for design engineers looking to reduce cost in new high-performance applications.
BMC has many beneficial properties including dimensional stability, corrosion and UV resistance, low shrink, and color stability
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