DroolShield® Hub 3in-4in


PTFE-Coated, aircraft steel disc.
Cavity fits 3in-4in nozzle diameter,
Protects heater bands, wiring and
insulation from plastic blowback. Withstands
temperatures up to 700ºF (370ºC).


DroolShield® Hub 3″-4″

DroolShield® protects heater bands, wiring and insulation from the expensive and damaging effects of drool blow back. This eco-friendly, long-term solution for protecting your heater bands and blankets can withstand high temperatures up to 700°F. DroolShield® is a PTFE-coated, aircraft steel disc (clean-room suitable) that withstands temperatures up to 700ºF (370ºC). That makes this product a three-fold blow-back solution for you reusable, long-term and affordable.


  • Protects heater bands, wiring, & insulation
  • Cleans easily & saves time
  • Tolerates high temperatures

Ideal for

  • Injection molding

Additional information


DroolShield® Hub, Industrial insulation, Pipe & Heater Insulation

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