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Master Bond adhesives

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Dyna-Purge® V Purging Compound
Categories: Polymer; Thermoplastic; Purging Compound

Material Notes: Designed for Purging Flexible and Rigid PVC

General Description:

DYNA-PURGE V is a non-abrasive, non-chemical “engineered” thermoplastic purging compound, formulated to flow naturally through the barrel of the injection molding machine and extruder. A non-melting but softening thermoplastic scrubs the screw and barrel, while the carrier matrix flushes away impurities.

FEATURES & BENEFITS OF DYNA-PURGE V

  • Excellent for color changes, resin changes, preventative machine maintenance, and before manual cleaning
  • Effective through a wide temperature range 320°F-400°F (160°C-204°C)
  • Easy to use – no process adjustment necessary – use at the resident resin processing temperature and RPM speed
  • Non-abrasive, non-melting but softening thermoplastic, which thoroughly loosens carbonized and degraded resin, allowing it to be flushed out of the system
  • Safe, non-hazardous, with no chemicals – ingredients are FDA compliant
  • Heat stable – recommended during shutdown and start-up
  • Low “cost-per-purge” – only small quantity needed to be effective
  • No mixing required – simply use “as is”
  • Unlimited shelf life

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Processing PropertiesOriginal ValueComments
Processing Temperature 160 - 204 °CInjection
 160 - 204 °CExtrusion
 
Compliance PropertiesOriginal ValueComments
FDA Yes
 
Descriptive Properties
Amount of Purge (Extrusion)Approx. 10 lbs per diameter inch of screwL:D dependant
Amount of Purge (Injection)Approx. 2 lbs per diameter inch of screw
Minimum Orifice (Extrusion).03in, .75mmDie
Minimum Orifice (Injection).03in, .75mmNozzle
Screen Packs or other flow restrictions (Ext.)Must be removed (otherwise use Dyna-Purge X,SF or F)
Screen Packs or other flow restrictions (Inj.)Must have minimum clearance of .03in (.75mm)
Types of ResinsPVC-flexible and rigid

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PSHU23 / 67556

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