Desk with a person opening an envelope.

Envelope Gum

Run at faster speeds and deliver the high quality your customers expect with our proven envelope gum formulations. Our flexible, environmentally-advanced gums perform on a variety of equipment types and substrates.

 

Our specialized envelope adhesives keep your envelopes safely sealed from production to your customer’s mailbox, and also machine cleanly—no matter what the machine speed.

Our envelope adhesives are used for

  • Side seam
  • Front seal gum
  • Self seal front gum
  • Window patch gum

EG 3311

  • Very good balance of machining, initial tack, and fiber tear
  • Great fiber tear on polystyrene and PLAs
  • Can combo as a rotary back gum
Technology Documentation
EG 3311
Used for window patch gums

EG3361W

  • Clean machining
  • Sticks to variety of film types
  • Works on all mahcine types
Technology Documentation
EG3361W
Used for envelope window patch gum
Water-based

EG3463

  • Clean cut off
  • Reduces tailing and nozzle build-up
  • Accurate gum lines for precise application
Technology Documentation
EG3463
Used for envelope extrusion gum
Water-based

Hydrogrip 20985

  • Promotes clean machining
  • Aggressive bonds
  • Can be used on inline or stand alone gumming machine
Technology Documentation
Hydrogrip 20985
Used for self-seal latex envelopes
Water-based

PWE2334

  • Good humidity resistance
  • Works on all machine types
  • Great re-moistening performance
Technology Documentation
PWE2334
Used for envelope front seal gum
Water-based

W3320

  • Promotes clean machining
  • Aggressive bonds
  • Can be used on inline or stand alone gumming machine
Technology Documentation
W3320
Used for self sealing peel-and-stick style envelopes
Pressure-sensitive adhesive (PSA) | Water-based

WB 3400 DPN

  • Designed for expected peel and seal performance
  • High solids
Technology Documentation
WB 3400 DPN
Used for pressure sensitive adhesive for self-seal front gum
Water-based

WB 8610 001

  • Clean machining
  • Minimal tailing and build up
  • Can be used for combo gum for patch and back gum applications
Technology Documentation
WB 8610 001
Used for extrusion back-gum (side seam)
Water-based

WB2338 MXRB-001

  • Reduces slinging and blocking
  • Optimized drying time
  • Works on variety of paper grades
Technology Documentation
WB2338 MXRB-001
Used for envelope rotary back gum
Water-based

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