| http://www.w3.org/ns/prov#value | - In general, the optimum dam height for a specific screw depends upon a number of factors such as the type of polymer being fed, specifically the Tg and crystallinity of the polymer; whether scrap pellets are added; the types of additives blended with the polymer, specifically slip additives and the like; the feed form of the polymer; and the number of dams employed within the scope of this inventi
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