Shear sensitive extrusion die.

The Multiflow Cascade extrusion die is said to have drastically reduced costs for material changeovers. A plastic colorants processor claims the Multiflow Cascade is the best extrusion die they have ever used, and that previous to purchasing the Multiflow die, it required 1,500 pounds or more of prime virgin polyethylene resin to flush out the die during color changeovers. With the Multiflow die. the company has reduced the amount of PE resin used to as little as 300 pounds. At 47 cents per pound, this has reduced changeover costs by more than $500 per color change, according to the company. The unique design of the Multiflow die is said to provide an identical shear history for all of the material processed, regardless of its position across the die, according to the company. The distribution of the material is accomplished by directing rather than restricting the flow at various locations in the die. The Multiflow design is said to be especially suited for shear sensitive or low viscosity materials and dies that can be produced for strand, strip, round or flat applications. In addition, dies can be designed for color striping or co-extrusion applications. (Diamond America)

Circle 101 on card