● Adhesives · Review

Permatex 84145 Plastic Welder

25-minute working time allows full repositioning before it sets

✎ PickHonest Research Desk▦ Updated October 15, 2026◷ 3 min read

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Best Structural

Permatex 84145 Plastic Welder

Permatex

25-minute working time allows full repositioning before it sets

  • Two-part epoxy
  • 3,500 PSI strength
  • 25-minute work time
  • Gap filling

Pros

  • 25-minute working time allows full repositioning before it sets
  • Fills gaps up to 3mm on rough or uneven fracture surfaces
  • Sands and drills after cure for clean finishing

Cons

  • Full strength requires 24 hours
  • Mixing two parts adds steps
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