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With our specialist Da/Pro Rubber for the manufacturing of high quality, tight tolerance rubber and plastic components we can offer medical grade materials and processes tailored to our customers' specifications.
Plastic injection molding involves a thermoplastic process where the raw material in pellet form is heated then pushed through a heated barrel where it is melted. The melted material is forced through a nozzle into a mold cavity or a runner system. The cavity is created in the shape of the desired component until it is cooled enough to retain its shape. The mold opens, the part ejects and the process starts over.
Liquid Injection Molding
Liquid silicone rubber (LSR) is a thermoset process where liquid silicone material is supplied through an injection nozzle. The liquid silicone rubber is mixed in line with the curing agents and is injected into the mold cavity using a cold runner to prevent adhesion to the screw. The liquid silicone enters the cavity of the mold and fills the predefined shape. Under heat and pressure, the rubber cures. The part is then ejected from the cavity and the LIM molding cycle restarts.
Like many other industries, medical industries are continually manufacturing smaller devices demanding the need for extremely high quality and tight tolerances. We offer precision micro molding parts, including o-rings, valves, and custom shapes. These parts can weigh less than .00029 grams and are less than .0011"(0,028mm) in diameter requiring precision tooling and a controlled molding process. The Da/Pro Process allows micro molding parts that are high quality, tight tolerance, and virtually flash free. This process reduces the need for secondary operations such as cryogenic de-flashing which could potentially damage intricate parts.
Amongst others: Butyl, EPDM, Poly Isoprene, Silicone, Fluorosilicone, Viton, Neoprene and NBR