Side-by-Side
Weldwood Original Contact Cement vs PC-7 Paste Epoxy
Compare cure times, application limits, and real-conditions performance for DAP's Weldwood Original Contact Cement and PC Products's PC-7 Paste Epoxy. Adjust the sliders below for your actual temperature and humidity.
SpecificationContact CementPaste Epoxy
ManufacturerDAPPC Products
Full cure (lab)168h★48h
Open time120 min★60 min
Dry to touch—160 min
Min application temp65°F★35°F
Max application temp★120°F115°F
Safety flagsNoneAmine blush
Compare at Your Conditions
Which should you choose for cure time?
- - PC-7 Paste Epoxy has the faster baseline full cure (48h vs 168h).
- - PC-7 Paste Epoxy allows the lower minimum application temperature (35°F).
- - Weldwood Original Contact Cement gives more working time before assembly pressure or tooling becomes urgent.
- - Watch for amine blush risk in humid epoxy work.
Weldwood Original Contact Cement has a 168h full cure time with a 120-minute open time.
PC-7 Paste Epoxy has a 48h full cure time with a 60-minute open time. Watch for amine blush in humid conditions.
These products serve different purposes — check each product's individual page for full substrate compatibility details before deciding.
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Weldwood Original Contact Cement data from manufacturer TDS · last verified May 2026.
PC-7 Paste Epoxy data from manufacturer TDS · last verified Jun 2026.
Important: Results are estimates only. Always follow manufacturer instructions. Not suitable for structural, load-bearing, or safety-critical applications.