● Adhesives · ReviewPermatex 84109 PermaPoxy 4-Minute Multi-Metal and Plastic
Permatex PermaPoxy 4-Minute is a fast-setting two-part epoxy for metal and plastic repairs.
✎ PickHonest Research Desk▦ Updated October 15, 2026◷ 3 min read
As an Amazon Associate I earn from qualifying purchases. Picks are based on manufacturer specs, independent reviews and owner reports.
Best Fast WaterproofPermatex
Permatex PermaPoxy 4-Minute is a fast-setting two-part epoxy for metal and plastic repairs.
- 4-minute cure
- Waterproof
- Plastic and metal
✓ Pros
- Fast 4-minute set
- Bonds metal and many plastics
- Waterproof once cured
- Fills gaps
✕ Cons
- Short working time
- Needs mixing
- Not for polyethylene or polypropylene
Appears in
Where the Permatex 84109 PermaPoxy 4-Minute Multi-Metal and Plastic ranks