How is this better than other epoxy products? Specifically, west systems epoxy?

I don't think there's anything you can do with this that you couldn't do with WEST System if you were determined enough, but it certainly wouldn't be my first choice for smoothing a 3D print. This stuff is very runny by the standards of epoxy, which lends itself to very thin coats that are less likely to build up in small crevices and wash out fine details. That said I'm sure it's also nowhere near as good an adhesive.

Does this product effect the overall dimensions/tolerances of the print? Enlarge or shrink features?

It is a coating that adds appreciable thickness. It will enlarge all external dimensions and can cover up fine features if not used carefully. The effect on tolerance can be reduced by applying thin layers and sanding any remaining grain down.

Type of paint suggestions?

Acrylic / enamel paints work best.

This is a very random question, but can this epoxy also be used to seal cracks and knots in wood?

Our Tarbender may be a better choice for this - it is designed as a bar top epoxy, thought the XTC-3D will work as well, the Tarbender is a clearer material.

Smooth On Xtc 3d 3d Print Coating And Smoothing Epoxy

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Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✨ Elevate your 3D prints to pro-grade perfection 🛠️

SPEED MEETS STRENGTH - 10-minute working time with a tough 3.5-hour cure for rapid project turnaround
EFFORTLESS APPLICATION - Self-leveling epoxy wets out uniformly—no brush strokes, just sleek surfaces
UNIVERSAL COMPATIBILITY - Works seamlessly on diverse 3D print materials for versatile finishing power
DURABILITY YOU CAN TRUST - Hard, impact-resistant 80D Shore hardness protects your prints from wear
FLAWLESS FINISH EVERY TIME - Clear top coat that smooths and perfects SLA, SLS, PLA, ABS & more

Smooth-On XTC-3D™ is a premium 6.4 oz epoxy coating designed to smooth and protect 3D printed parts across multiple materials including SLA, SLS, PLA, and ABS. With a quick 10-minute working time and a durable 3.5-hour cure to an 80D Shore hardness, it delivers a flawless, brushstroke-free finish that enhances both aesthetics and durability.

Specifications

ASIN	B01BKSLI9M
Best Sellers Rank	#84,059 in Automotive ( See Top 100 in Automotive ) #865 in Automotive Paints & Primers
Date First Available	February 8, 2016
Item Weight	8.8 ounces
Item model number	xtc3d
Manufacturer	Smooth-On, Inc.
Product Dimensions	2 x 3.5 x 6.8 inches

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