Epoxy Henkel Emerson & Cuming Catalysts On Robert McKeown Co., Inc.


	Epoxy Henkel Emerson & Cuming Catalysts
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larger image Selecting the best catalyst A catalyst determines many of the final properties of a STYCAST system. It's selection is as important as that of the resin as it has a significant influence on final cured hardness, mixed viscosity, temperature capabilities and physical properties. Understanding viscosity Viscosity is the measure of the internal resistance of friction when a material moves against itself. It is typically measured using a rotating spindle instrument (viscometer). The amount of force required to turn the spindle (torque) at a selected speed (rpm) is measured. A simple calculation converts this internal resistance to viscosity. Thicker materials equates to higher torque values, hence, higher viscosities.