powder, PF-77 exhibits superior flow properties for easy introduction into a formulation. It offers excellent chemical resistance, superior weather and aging characteristics, and best-in-class dielectric properties. Typical Properties Property Unit of Measure Test Method PF-77 Appearance n/a Visual Observation Pristine White Melt Point May 09, 2013 · Understanding Powder Flow Properties Source: AMETEK Brookfield A typical industrial powder processing line will include several storage vessels (e.g. bins, bunkers, silos, hoppers, Intermediate Bulk Containers or IBCs, sacks etc), feeding or handling steps (e.g. belt conveyor, screw conveyor, pneumatic conveyor, gravity chutes etc) and processing steps (e.g. milling, mixing, drying, bagging etc). The production process has to be designed with the viscosity of the product in mind, making sure that pipes are angled to optimize flow, or that dispensers provide the right amount of force to induce flow, but not so much that the packaging will overfill. Viscosity is also a characteristic of the texture of food. Feb 08, 2015 · The flow is often variable and unpredictable. • These difficulties are caused by the adhesive and cohesive characteristics of the powder. These are surface properties and thus their magnitude is greatly influenced by particle and surface characteristics, such as particle size, roughness, surface free energy, shape, etc.