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  • Medical Device Link . Comparing Liquid and High Consistency Silicone Rubber Elastomers: Which Is Right for You?
    , replacement finger joints, and pump diaphragms. Low viscosity makes liquid silicone rubbers suitable for molding applications requiring complex, intricate molds. Photos: Dow Corning Corp. These elastomers are commercially available in two types: millable high consistency silicone rubber and pumpable liquid
  • The Time-Temperature-Transformation Diagram
    An informative presentation of the curing incorporating the degree of cure is the Time-Temperature-Transformation (TTT) diagram, developed by Enns and Gillham. It can be used to relate the material properties of thermosets, such as Liquid Silicone Rubber (LSR), as a function of time and processing
  • Stick With the Right Adhesive
    , and rubber. Cyanoacrylates cure rapidly at room temperature to form thermoplastic resins when confined between two substrates in the presence of microscopic surface moisture. Cure initiates at the substrate surface, limiting cure-through gap to about 0.01 in. Cyanoacrylates build fixture strength
  • Dow Corning helps a customer solve their customers' problems
    ST Services manufactures meter/mix dispensing equipment that their customers. use for molding silicone rubber medical products. Founded in 1995, they sell. about $1 million worth of equipment a year. Part of their customers' process. involves pumping uncured liquid silicone through pressurized
  • Medical Device Link .
    Medical Device & Diagnostic Industry Polymer Design Corp., Rockland, MA Pouring liquid rubber or plastic into molds, then allowing it to cure to solid form, describes the fundamentals of liquid resin casting. A technically refined version of this decades-old process is a reliable
  • Material and Process Selection, Controlling the Stretch, Industry Standards
    with the design and construction of a precision machined steel mold. This mold, or tool, consists of two or more steel plates into which the rubber is placed or injected. These plates are exposed to heat and pressure to cure the part. The exact mix of time, temperature and pressure depends on the molding
  • Oil-Resistant Rubbers
    These rubbers include grades suitable for service at temperatures to 250 C and having maximum resistance to oils and greases. Some are considered specialty materials and are quite expensive. (CR; BC, BE): Except for polybutadiene and polyisoprene, neoprene is perhaps the most rubberlike of all
  • Medical Device Link . Injection Molding With Liquid Silicone Rubbers: Using Process Design To Maximize Results
    Following the introduction of liquid silicone rubber (LSR) in the early 1970s, decisive improvements in process and engineering techniques appeared in relatively rapid succession. Today, injection molding with LSRs is widely used as an alternative to manufacturing with traditional solid

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