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  Keyway Chart

  Posted in: Mixing and Dispersion

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  The following tables show standard dimensions for keys and their grooves.

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  JACKETED TANKS AND THERMAL SHOCK

  Posted in: Mixing and Dispersion, Tanks and Silos

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  Rapid changes in temperature of the heat transfer media can thermally shock the equipment. Typically, thermal shock is defined as changing the cooling or heating media at the jacket inlet more than 25 F per minute.

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  Disperser Horsepower Formula

  Posted in: Mixing and Dispersion, Toolbox

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  Of all the "Rules of Thumb" the issues resulting from this pose the most severe issues. While not difficult to calculate, Blade Horsepower does not correlate well to a simple Volume to power relation. Most disperser manufacturers rely on a modification of the agitator horsepower relationship.

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  Pigment Binder Ratio

  Posted in: Paint and Coatings

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  One of the earliest forms of comparison. The pigment/binder ratio is the weight ratio of the sum of the pigments (pigments and fillers) to the binder solids.

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  Fineness of Grind

  Posted in: Paint and Coatings, Tables and Conversions

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  The grind gauge is an instrument that indicates the fineness of grind or the presence of coarse particles and agglomeration in a dispersion. It is commonly used to determine how finely ground the particles of pigment are dispersed in a sample of paint.

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  Sheet Metal Gage Chart

  Posted in: Tables and Conversions

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  Sheet Metal Thickness is reported in gage.  Our Gauge Chart provides both fractional and decimal thickness of sheet as well as weight per sq ft.

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  Pigment Volume Concentration

  Posted in: Paint and Coatings

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  The ratio of the volume of pigment to the volume of total nonvolatile material present in a coating. The figure is usually expressed as a percentage.

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  Purged Cabinets and Enclosure Protection Systems

  Posted in: Electrical

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  In 1967, the NFPA Technical Committee on Electrical Equipment in Chemical Atmospheres established recommended practices, entitled "NFPA 496 - Purged and Pressurized Enclosures for Electrical Equipment." Since then, the NFPA has expanded its document by adding recommendations for enclosure ventilation and dilution.

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  Dual-Axis Centrifugal Mixer - A Better Mix

  Posted in: Mixing and Dispersion

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  Review of the function and operation of planetary-centrifugal mixers. Published July 2010, Adhesives and Sealants Industry Magazine.

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  Malcomizing

  Posted in: Mixing and Dispersion

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  In the Malcomizing heat treating process the passive oxide surface film of the stainless steel is broken down to permit nitrogen diffusion into the steel, at relatively low temperatures. This increases the Hardness to around 64-68 Rockwell C.

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  Investment Casting High Shear dispersers

  Posted in: Mixing and Dispersion

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  To produce the best quality dispersion in the least amount of time, an investment casting dispersion blade must be a durable high-shear blade.

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  TANK DESIGNER

  Posted in: Tanks and Silos, Toolbox

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  Tanks are available in all shapes and sizes and fabricated out of a wide variety of materials. We offer small tanks for laboratory use through large storage tanks. Tank Designer calculates the volume of vertical and horizontal tanks allowing for different head types including dished, coned, and sloped bottom tanks.

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