Do you need to prime the surface before using this glue for 3d printer pla or abs parts?

It depends on what you are gluing. In most cases it will work well without priming. Loctite makes a primer to make CA glues like 401 work on the infamous polyethylene, polypropylene and similar plastics. When used on acrylic, the glue vapors can fog the surrounding plastic. Loctite support suggested I use a fan when gluing up the parts to blow the vapors away, if cosmetics are a big issue. This is generally not a problem but I thought I would pass the hint along

Will this product bond actate/plexiglass to itself without clouding?

I use this product for gluing pool cue tips onto the cue sticks. I don't know if it will cloud, sorry.

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Description

⚡ Fix it fast, fix it right—because every second counts!

COMPACT READY - 20g bottle designed for easy handling and on-the-spot repairs wherever you are.
INSTANT POWER BONDING - Experience ultra-fast adhesion in just seconds—no downtime, no hassle.
PRECISION GAP FILLING - Fills gaps up to 0.15 mm ensuring a flawless, strong hold every time.
UNIVERSAL COMPATIBILITY - Seamlessly bonds metals, rubber, wood, ceramics, plastics, and more for versatile fixes.
EMERGENCY REPAIR ESSENTIAL - Your go-to solution for quick, reliable fixes on paper, leather, fabric, and beyond.

LOCTITE 401 is a high-strength, general-purpose instant adhesive designed for rapid bonding of a wide range of materials including wood, paper, leather, fabric, metals, and plastics. With a fixture time of 5-20 seconds and a precision gap fill of 0.15 mm, it’s perfect for quick, reliable repairs in professional and everyday settings.

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