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Gorilla Glue Original Polyurethane Adhesive vs PL 375 Heavy Duty Construction Adhesive

Compare cure times, application limits, and real-conditions performance for Gorilla Glue's Gorilla Glue Original Polyurethane Adhesive and Loctite's PL 375 Heavy Duty Construction Adhesive. Adjust the sliders below for your actual temperature and humidity.

SpecificationPolyurethane AdhesiveConstruction Adhesive
ManufacturerGorilla GlueLoctite
Full cure (lab)★24h48h
Open time★10 min60 min
Clamp / tack time240 min—
Min application temp50°F★40°F
Max application temp86°F★100°F
Safety flagsNoneNone

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Which should you choose?

Gorilla Glue Original Polyurethane Adhesive has a 24h full cure time with a 10-minute open time.

PL 375 Heavy Duty Construction Adhesive has a 48h full cure time with a 60-minute open time.

These products serve different purposes — check each product's individual page for full substrate compatibility details before deciding.

Gorilla Glue Original Polyurethane Adhesive

Gorilla Glue

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PL 375 Heavy Duty Construction Adhesive

Loctite

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Gorilla Glue Original Polyurethane Adhesive data from manufacturer TDS · last verified May 2026.

PL 375 Heavy Duty Construction Adhesive data from manufacturer TDS · last verified May 2026.

Browse all polyurethane products.

Important: Results are estimates only. Always follow manufacturer instructions. Not suitable for structural, load-bearing, or safety-critical applications.