Graco Inc.

InvisiPac Applicator 

GM100 plug-free hot melt adhesive dispensing nozzle for case and carton sealing

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Eliminates downtime due to plugged nozzles

With the InvisiPac Hot Melt Adhesive Applicator, you’ll experience a new era in hassle-free operation with improved uptime. With its innovative free-flow manifold design and integrated applicator filtering – when used with the InvisiPac System – you can eliminate nozzle plugs. You’ll finally have a hot melt system that runs reliably, unnoticed and invisible.

Learn how the InvisiPac can improve your bottom line.


Adhesive is processed in a better way

  • The applicator's free-flow manifold design is engineered to eliminate dead zones where char will build up
  • Module includes an integrated filter assembly near the ball and seat junction that eliminates nozzle plugging
  • Adhesive spends less time at high temperature, resulting in less char
  • Changes in the heated hose construction significantly reduce the formation of char in the hose itself
  • Less char allows you to use lower cost adhesives and save money
  • Try the InvisiPac ROI Calculator


See the Graco InvisiPac presentation from Pack Expo 2014    View now

Learn how InvisiPac LineSite allows you to monitor adhesive usage and save money.

Learn about the InvisiPac Pattern Controller.

InvisiPac HM 25
  • Works with the InvisiPac Tank-Free Hot Melt Delivery System
  • Quick start-up - ready in less than 10 minutes
  • Tank-Free design means adhesive spends less time at high temperatures - significantly reducing char
  • Less char results in less nozzle plugging, less system maintenance and more uptime

InvisiPac™ GS35 Plug-Free Hot Melt Adhesive Applicator
> 3,500 cycles/minute
> 3,500 cycles/minute
Heat up Time
< 10 minutes to 350°F at 240 VAC
< 10 minutes to 176°C at 240 VAC
Electrical Service
200-240V, 50–60 Hz, 400W
200-240V, 50–60 Hz, 400W
Maximum Working Fluid Pressure
1500 psi
10.3 MPa, 103 bar
Maximum Air Pressure
80 psi
0.5 MPa, 5.5 bar
Minimum Air Pressure
40 psi
0.3 MPa, 2.7 bar
Maximum Operating Temperature
Ambient Storage Temperature Range
Ambient Operating Temperature Range
Solenoid Air Flow Rating
1.0 Cv
1.0 Cv
Wetted Parts
Aluminum, carbon steel, stainless steel, carbide, brass, chemically resistant seals, chrome
Aluminum, carbon steel, stainless steel, carbide, brass, chemically resistant seals, chrome
Platinum 100 Ohm RTD
Platinum 100 Ohm RTD
Nickel 120 Ohm RTD
Nickel 120 Ohm RTD
Solenoid Control Voltages
24 VDC
24 VDC
110 VAC
110 VAC
Sound pressure measured 6.5 ft (2m) from gun at 80 psi (550kPa, 5.5 bar)
75.6 dB(A)
75.6 dB(A)