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    BCC Resins™ BC 8009 banner
    Knowde company logo
    BCC ProductsBCC Resins™ BC 8009
    • Polymer Name:Polyurethane (unspecified)
    • Processing Methods:Casting
    • End Uses:Prototyping
    BCC Slo-Kast is a low viscosity, medium setting, easy to use casting material. This polyurethane system features extremely low shrinkage when properly cured. Unlike Kwik-Kast, BC 8009 offers the user longer working time (15 minutes for filling closed mold cavities and up to 25 minutes when casting into open molds). Slo-Kast is ideal for casting large sections without having to stage pour. Uses included; tracing models, core boxes, keller aids, patterns, core sticks, vacuum form tools, prototypes and display parts.Handling Properties:BCC's Slo-Kast is a moderately fast-setting, two part casting system (Part A & Part B). If settling from long storage has occurred, re-mix contents of each container on a mechanical paint shaker, jiffy mixer, or other suitable mixing equipment. Precaution should be taken to prevent any moisture contamination. Use dry equipment and containers and keep covered when not in use. It is recommended that the work area be well ventilated and normal cleanliness and safety rules be observed. Avoid prolonged exposure to vapors and contact with skin.Preparation of Mold Surface:Clean the surface from dust and possible presence of moisture. Apply BC 87 Parting Agent and polish to a uniform high gloss finish (usually 2-3 coats are recommended). For plaster or wood surfaces seal with PVC sealer to ensure complete absence of moisture followed by 2-3 coats of 87 Parting Agent.Mixing and Pouring:Pour weighed or measured amounts of Part A & B into a separate dry container by pouring Part A into Part B. Mix with a spatula or mechanical stirrer for 1 minute for quart size batches or 2 minutes for gallon batches. After mixing both parts allow container to sit undisturbed 3-4 minutes before pouring. This "induction time" will result in superior surface qualities of the cast piece. Pour mixed resin uninterrupted from a convenient height above the mold cavity to resist air bubble entrapment. Clean your mixing tools by rinsing in an alcohol type solvent. Larger masses (2 feet or more) may be built up with successive pours. Castings may be demolded in as little as 3.5-4 hours, but should be properly supported while "green". If partially cured casting is disturbed, a surface film may result. This is easily removed by wiping with mineral spirits or lacquer thinner. Under normal conditions, maximum hardness or cure will be achieved in 24-48 hours.
    Ultralloy™ 3311 banner
    Knowde company logo
    Hapco Inc.Ultralloy™ 3311
    • Polymer Name:Polyurethane (unspecified)
    • Processing Methods:Casting, Vacuum Casting
    • End Uses:Prototyping, Agricultural Applications, Housings, Toys
    The ULTRALLOY series of liquid molding compounds are tough, fast cycling, low cost, and easy to use. ULTRALLOY is designed to be used with Liquid Molding, open casting, pressure casting, or vacuum casting processes. ULTRALLOY can be used with silicone, epoxy, urethane, polyester, or aluminum molds. Low cost molds and fast cycle times are two key attributes of ULTRALLOY.ULTRALLOY is available in several series. Each series has different products with different physical properties. Properties such as elongation, tensile strength, and modulus of elasticity can be selected to mold parts with the correct physical characteristics. Choose the ULTRALLOY material with the exact properties you need, or that are required to meet specifications.ULTRALLOY is available in opaque white, clear/transparent, and in fire retardant (UL 94V-0) versions. Custom coloring can be achieved by pigmenting ULTRALLOY with Hapco's easy to mix color dispersions. Both opaque and translucent color dispersions are available.ULTRALLOY can be molded in inexpensive molds, reducing total part cost, for short run programs.ULTRALLOY is made for prototypes and short runs of plastic parts. ULTRALLOY fills the need for low cost, high performance parts, in volumes less than 10,000 parts per year.ULTRALLOY 3300 SERIESA series of flame retardant, (UL 94V-0) high strength, systems with excellent physical properties. This series can be pressure or vacuum cast. Underwriter Labs Flame Retardant 94V-0 @ 2.5 mm thickness. This series is available in a 2, 4, 14, and 28 minute gel time.

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