Polymer & Plastics Processing Buying Guides
How to specify, compare grades, and prepare purchases.
Buying Guides
Mould Care — Cleaning, Release and Corrosion Protection
A mould fails for three reasons that mould-care chemistry can prevent: deposit on the cavity surface, blocked vents, and corrosion during storage. Treat them as three different products. Mould cleaners remove plasticiser bloom, additive plate-out and…
ReadScrew and Barrel Cleaning — When Purging Is No Longer Enough
Purging removes melt; cleaning removes deposit. Once a purge cycle stops clearing black specks after two full sequences, the carbon is baked onto the screw root or a barrel dead zone, and no further purge will remove it — you are now paying for purge…
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