A combination of superior melting capabilities,more homogenous mixing,and an ability to deliver a cooler melt are the reported benefits of using new patented and patent-pending Posi-Melt general-purpose replacement screws from Plastic Processing Technologies (PPT).Posi-Melt GP screws sell for the same price as the traditional GP screws they could very well render obsolete.Sounds like a crock,doesn't it?
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