Songhan Plastic Technology Co.,Ltd.
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Dyna-Purge® K Purging Compound

Category Polymer , Thermoplastic , Purging Compound
Manufacturer Shuman Dyna-Purge®
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Dyna-Purge® K Purging Compound.pdf
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Material Notes:
Designed or a broad range of "Low-Temp" resinsGeneral Description:DYNA-PURGE K is a low-temp, non-abrasive, non-chemical “engineered” thermoplastic purging compound, formulated to flow naturally through the barrel and hot runner system of the injection molding machine, as well as extrusion equipment. A non-melting but softening thermoplastic scrubs the screw and barrel, while the carrier matrix flushes away impurities.FEATURES & BENEFITS OF DYNA-PURGE KDeveloped for color changes, resin changes, preventative machine maintenance, and before manual cleaningExcellent for purging through hot runner systems with a minimum clearance of .025 inch (.65 mm)Effective through a wide temperature range 290°F to 550° F (143°C to 287°C)Easy to use – no process adjustment necessary – use at the resident resin processing temperature and RPM speedNon-abrasive, non-melting but softening thermoplastic, which thoroughly loosens carbonized and degraded resin, allowing it to be flushed out of the systemSafe, non-hazardous, with no chemicals – ingredients are FDA compliantHeat stable – recommended during shutdown and start-upLow “cost-per-purge” – only small quantity needed to be effectiveNo mixing required – simply use “as is”Unlimited shelf life
Processing Properties Metric English Comments
Processing Temperature 143 - 287 °C
289 - 549 °F
Injection
143 - 287 °C
289 - 549 °F
Extrusion
Descriptive Properties Value Comments
Amount of Purge (Extrusion) Approx. 10 lbs per diameter inch of screw
L:D dependant
Amount of Purge (Injection) Approx. 2 lbs per diameter inch of screw
Minimum Orifice (Extrusion) .025in, .65mm
Die
Minimum Orifice (Injection) .025in, .65mm
Nozzle
Screen Packs or other flow restrictions (Ext.) Combination of 20, 40, 60 or 80 mesh; 100 or more, use SF or F
Screen Packs or other flow restrictions (Inj.) Must have minimum clearance of .025in (.65mm)
Types of Resins PP, TPE, TPO, TPR & other low temperature resins
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