Best Overall
Loctite Plastics Bonding System
Loctite
Only consumer adhesivethat reliably bonds polypropylene - the plastic most glues cannot touch
- Two-part: activator plus adhesive
- Bonds polyethylene and polypropylene
- 50 lb tensile strength
- 15-second set time
Pros
- Only consumer adhesivethat reliably bonds polypropylene - the plastic most glues cannot touch
- Primer activates the non-polar surface so the adhesive can form a real chemical bond
- bond held 50 lbs on ABS after 24-hour cure
Cons
- Two-part application adds steps vs a single-tube glue
- 15-second working time means you must position parts before applying
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