will this work to connect concrete to concrete. Such as a broken bird bath?

Hello J.T. - Yes, it should work..and..work well. I used it to repair a cracked concrete Septic Tank cover. The repair was easy to do..and..is solid and strong..Jerry

Once used, is the applicator nozzle done? I've got a project this looks good for, but I won't use all of it in one go.

An option that I liked was using a pastry bag (probably could use a ziploc bag) and put the two parts in the bag, mix in the bag by kneading (don't use the mixing nozzles) and then cut the tip off the bag and squeeze just like you see a cake decorator. Does get warm/hot in the bag. But a lot easier and less effort than using the mixing tubes. AND you can use the product several times, just mix up what you need.

I had some bolts snap off in concrete - 5/16 inch bolts, about 3 inches deep. Can I drill them out / pour this / screw in new screw? Instead anchor

Yes, I think that you would be able to do that, but I am not sure what you mean by screw in new screw?? I would drill out the existing bolt, and follow the directions on the tube for setting bolts in concrete. This worked really well for me.

it says a .875" diameter rod has a bond strength of just under 2500# but is that per inch of imbedded rod? per foot?

Don’t know specifically what the value is but found it bonded well whether applied thick or thin.

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PC Products 72561 PC-Concrete Two-Part Epoxy Adhesive Paste for Anchoring and Crack Repair, 8.6 oz Cartridge, Gray

PC Products 72561 PC-Concrete Two-Part Epoxy Adhesive Paste for Anchoring and Crack Repair, 8.6 oz Cartridge, Gray

Product ID: 3856679

Details

Brand
PC Products
Item Form
Paste
Material
Epoxy Resin
Specific Uses For Product
Countertop

⏳20 min work time, 4 hr cure

🌧️moisture-resistant high-tack paste

🛠️10990 psi compressive strength

B/.103

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Description

🧱 Cement your legacy with PC-Concrete — the pro’s choice for permanent, powerhouse repairs!

FAST TRACK FIXES - 20 minutes working time and full cure in just 4 hours to keep projects moving.
MOISTURE DEFYING ADHESION - High-tack formula works flawlessly even in damp or vertical environments.
TRUSTED INDUSTRY STANDARD - Meets ASTM C881-99 and ICC-AC58 for seismic, wind, and critical load anchoring.
VERSATILE APPLICATION RANGE - Perfect for indoor/outdoor use from 35°F to 115°F, including freeze-thaw cycles.
UNMATCHED STRUCTURAL STRENGTH - Withstands up to 10,990 psi compressive force for rock-solid repairs.

PC Products 72561 PC-Concrete is a premium two-part epoxy adhesive paste designed for anchoring and crack repair in concrete, masonry, and grout-filled blocks. It delivers exceptional compressive strength (10,990 psi), moisture resistance for damp and vertical applications, and a rapid cure time of 4 hours. Engineered to meet ASTM and ICC standards, it ensures durable, reliable repairs in a wide temperature range (-20°F to 115°F), making it the go-to solution for professionals demanding long-lasting, high-performance concrete restoration.

Specifications

ASIN	B000VBGG42
Best Sellers Rank	#6,408 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #11 in Tile Epoxy Adhesives
Brand Name	PC Products
Color	Gray
Compatible Material	Concrete, Grout Filled Block, Masonry
Container Type	Cartridge
Customer Reviews	4.4 4.4 out of 5 stars (1,169)
Full Cure Time	4 hours hours
Global Trade Identification Number	00054983072561
Included Components	8.6 oz PC-Concrete
Item Form	Paste
Item Package Quantity	1
Item Type Name	Epoxy Adhesive Paste for Anchoring and Crack Repair
Item Weight	1 pounds
Manufacturer	Protective Coating Co.
Material Type	Epoxy Resin
Model	72561
Number of Pieces	1
Other Special Features of the Product	Two-part epoxy adhesive paste, moisture resistance, applicability in damp environments, overhead and underwater use
Part Number	72561
Specific Uses For Product	Countertop, Flooring, Masonry, Repair, Wall Repair
Tensile Strength	6790 psi
UPC	362225728788 315054925897 054983072561 305487762220 549830725610
Unit Count	8.6 Ounce
Viscosity Level	High
Volume	254 ml
Warranty Description	Warranty
Water Resistance Level	Water Resistant

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