Water minimisation time period

Over a period of time, increasing polymer prices biased the objectives towards exploiting the pumping accuracy to achieve consistent extrusion dimensions. This enabled products sucb as pipes and films to be made at the minimum thickness allowed with minimised risk of falling outside the dimensional specifications. Consequently, raw materials costs were reduced. In more recent years the disadvantages of the need for intensive water cooling, wear, and high power consumption have been addressed. 

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