Epoxy Weld Bonding Compound
Loctite · epoxy
Full cure (70°F / 50% RH)
24h
Min application temp
39°F
Max application temp
95°F
Clamp time
15 min
Open time
6 min
Estimate Cure Time
Common use-case guides
When this estimate may be unsafe
- - The joint, bead, pour, or repair is thicker than the product data sheet assumes.
- - The substrate is colder than the surrounding air, wet, oily, dusty, painted, or otherwise poorly prepared.
- - The repair will carry weight, resist water pressure, or be safety-critical before full cure.
- - The surface is near the dew point or humidity is high enough to create amine blush.
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Quick answers
How long does Epoxy Weld Bonding Compound take to cure?
Epoxy Weld Bonding Compound fully cures in 24 hours at standard laboratory conditions, usually 70°F / 21°C and 50% relative humidity. At colder temperatures or difficult humidity, cure time can increase significantly.
What is the minimum temperature to use Epoxy Weld Bonding Compound?
The minimum application temperature for Epoxy Weld Bonding Compound is 39°F (4°C). Applying below this threshold can prevent proper curing and cause the bond or seal to fail.
How long does Epoxy Weld Bonding Compound take to cure in cold weather?
Cold temperatures significantly extend cure time. As a rule of thumb, every 18°F (10°C) below 70°F can roughly double cure time. Enter your actual temperature in the calculator for a product-specific estimate.
Does humidity affect Epoxy Weld Bonding Compound cure time?
Minimal effect. Epoxy Weld Bonding Compound is a two-part chemical reaction so ambient humidity has little influence on cure rate. Temperature is the primary variable. Use the calculator above for adjusted estimates.
How long do you need to clamp Epoxy Weld Bonding Compound?
Epoxy Weld Bonding Compound requires a minimum of 15 minutes of clamping at standard conditions. In cold or humid conditions, extend clamp time before moving the assembly.
What is the open time for Epoxy Weld Bonding Compound?
Epoxy Weld Bonding Compound has a working open time of 6 minutes at standard conditions. At higher temperatures open time may shorten; at lower temperatures cure may slow after assembly.
Does Epoxy Weld Bonding Compound get amine blush?
Yes. Amine blush can form when this epoxy cures in high humidity or near the dew point. Wash the surface and lightly abrade before recoating or bonding over it.