Is this suitable for outdoor?

Yes, this sealer can be used outdoor.

I want to place an epoxy later over my countertops and then seal the epoxy with this, would this adhere and last over epoxy?

You can definitely use XS 327 water based or PC-12 Solvent based over epoxy. The surface will have to be sanded at 220 grit for either finish to adhere. An alcohol wash would also be recommended to remove any oils that may be there.

What mix amount did everyone use for the 2:3 ratio?

We recommend to delude with water, video how to : https://globmarble.com/concrete-countertop-sealer-food-safe-uv-stable-scratch-resistant.html or https://globmarble.com/concrete-countertop-sealers-how-to-apply-sealer-decorative-concrete-training.html

Do you need to apply a wax over the sealer on countertops?

Not all sealers require a wax but they can help protect the sealer from premature wear. Water based Carnuba waxes are the best. They create a hard shell of protection with out harsh solvents that can damage the sealers.

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Description

🛠️ Seal the deal with SureCrete: where durability meets design.

HEAT RESISTANT SHIELD - Withstands temperatures up to 300°F, perfect for busy countertops handling hot pots and pans.
FOOD SAFE CRYSTAL CLEAR - Protect your concrete surfaces with a non-yellowing, semi-gloss finish that’s safe for kitchen use.
EFFORTLESS 2 PART MIX APPLY - Simple 3:2 mixing ratio with optional water thinning for a flawless, professional-grade finish every time.
FAST DRYING WATER BASED FORMULA - Quickly cures to a smooth, UV-stable surface without harsh fumes—ideal for modern, eco-conscious homes.
ULTIMATE STAIN SCRATCH DEFENSE - Creates a tough barrier against oil, moisture, and everyday stains to keep your surfaces pristine.

SureCrete XS-327 is a premium water-based polyurethane sealer designed for concrete countertops, offering a semi-gloss, food-safe finish that resists heat up to 300°F, UV damage, stains, and moisture. Its quick-drying, non-yellowing formula ensures long-lasting protection and a sleek modern look, perfect for both interior and exterior applications.

Specifications

Material	Polyurethane
Brand	Surecrete
Style	Modern
Item Weight	3.6 Pounds
Compatible Material	Concrete, Stone
Water Resistance Level	Waterproof
Item Form	Liquid
UPC	842467107898 842467108215
Unit Count	40.00 Fluid Ounces
Number of Items	1
Color	White
Surface Recommendation	Polyurethane
Manufacturer	SureCrete llc
Part Number	4316252950
Item Weight	3.6 pounds
Package Dimensions	10.28 x 10.16 x 6.85 inches
Item model number	XS-327CG
Is Discontinued By Manufacturer	No
Size	100 Piece Set
Finish	Semi-Gloss
Installation Method	2 Part System
Item Package Quantity	1
Number Of Pieces	2
Special Features	Stain Resiant, UV Resistant
Usage	Interior and Exterior Use
Batteries Included?	No
Batteries Required?	No

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