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Calcimator

Resin Curing Time Calculator

Estimate pot life, demold time, and full cure time for epoxy resin based on mass, ambient temperature, and resin type.

Inputs

oz
°F

Results

Pot Life (working time)

48 min

Demold Time

26.9 hours

Full Cure Time

80.8 hours

Resin TypeStandard Epoxy
Exothermic RiskLow
How to Use This Calculator
  1. Enter the pour mass in ounces — larger masses cure faster due to the exothermic reaction.
  2. Enter the ambient room temperature in °F; warmer temperatures accelerate curing.
  3. Select the resin type: standard epoxy, slow/deep-pour epoxy, or fast 5-minute epoxy.
  4. Read the pot life (working time) in minutes — this is how long you have to pour before it begins gelling.
  5. Note the demold hours and full cure hours to plan your project timeline before handling or post-processing.

How the result changes with Ambient Temperature

Ambient TemperaturePot Life (working time)Demold TimeFull Cure Time
48121 min67.9 hours203.6 hours
6856 min31.4 hours94.3 hours
9222 min12.5 hours37.4 hours
11210 min5.8 hours17.3 hours

What each input means

Pour Mass
Total mixed resin weight in ounces. Larger masses generate more exothermic heat, which speeds curing but can cause bubbles or cracking.
Ambient Temperature
Room temperature during curing. Most epoxies cure best at 70-80°F. Below 60°F curing slows dramatically; above 85°F it accelerates.
Resin Type
Slow-cure epoxies have longer pot life and are designed for thick pours. Fast epoxies are for small repairs and bonding.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    Pour Mass = 16, Ambient Temperature = 72, Resin Type = 1 = 3 input(s) provided
  2. Calculate Pot Life
    Pot Life
    48 = 48
  3. Calculate Demold Time
    Demold Time
    26.9 = 26.9
  4. Calculate Full Cure Time
    Full Cure Time
    80.8 = 80.8
  5. Calculate Resin Type
    Resin Type = resin.label
    Standard Epoxy = Standard Epoxy
  6. Calculate Exothermic Risk
    Exothermic Risk
    Low = Low

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