Inputs
All fields update live after changes.
Use this for irregular cavities or pre-measured molds.
Respect your product’s stated safe deep-pour limit.
:
Example deep-pour systems often use 2:1 or 3:1.
%
Typical dyes 0.5–2%; pastes up to manufacturer guidance.
Results
Calculated instantly from the inputs.
Exotherm guidance:
Keep layers within your product’s safe limits, allow adequate cooling, and avoid large warm batches.
| Metric | Value |
|---|
Layer Plan
| # | Planned thickness | Layer volume | Note |
|---|
Wait until previous layer is firm yet tacky (“green”), or per datasheet.
Example Data
Use as starting points and adjust to your project.
| Scenario | Geometry | Size | Thickness | Max layer | Ratio |
|---|---|---|---|---|---|
| River table | Rectangle | 150 cm × 40 cm | 5 cm | 4 cm | 2:1 |
| Thick casting | Circle | Ø 30 cm | 6 cm | 3 cm | 3:1 |
| Serving board | Rectangle | 60 cm × 25 cm | 2 cm | 2 cm | 1:1 |
Formulas Used
- Rectangle volume:
V = L × W × T - Circle volume:
V = π × (D/2)2 × T - Unit base: 1 cm3 = 1 mL; 1000 mL = 1 L
- Net cavity:
Vnet = Vgeom − Vdisp - Adjustments:
Vepoxy = Vnet × (1 + waste% + shrink%) - Layering: number of layers
= ceil(T / Tmax) - Mix fractions (ratio a:b): resin =
a/(a+b), hardener =b/(a+b) - Mass (by volume mixing):
m = Vresin·ρresin + Vhard·ρhard - Pigment:
mpig = mepoxy × pigment%; volume uses pigment density if provided
Always follow your product’s datasheet for limits, cure windows, and safety.
How to Use
- Choose geometry or enter a known volume for irregular cavities.
- Enter dimensions and optionally subtract displacement from wood or hardware.
- Set waste, shrinkage, and your product’s maximum safe layer thickness.
- Pick mixing mode and ratio; confirm densities if mixing by volume.
- Optionally add pigment percentage by weight for the epoxy-only mass.
- Click Calculate to get volumes, masses, and a layer plan.
- Use Download CSV or Download PDF to save results.
Recommended Deep-Pour Limits by System Type
Generalized guidance. Always defer to your product datasheet.
| System type | Typical max layer | Typical pot life | Notes |
|---|---|---|---|
| Fast-set tabletop | 1.5 cm (≈0.6 in) | 20–30 min | High heat; thin coats only. |
| Standard casting | 3.0 cm (≈1.2 in) | 30–60 min | Moderate heat; suitable for small cavities. |
| Deep-pour formulation | 5.0 cm (≈2.0 in) | 45–90 min | Lower exotherm; ideal for rivers and thick casts. |
Ambient Temperature & Batch Guidance
Cooler rooms extend pot life; warmer rooms shorten it substantially.
| Room temp (°C) | Indicative pot life | Suggested per-batch volume | Notes |
|---|---|---|---|
| 18–20 | 60–80 min | 2000–3000 mL | Safest for thicker layers; slower cure. |
| 21–24 | 45–60 min | 1200–2000 mL | Typical shop conditions. |
| 25–28 | 30–45 min | 800–1200 mL | Higher exotherm; reduce batch size. |
| 29–32 | 20–30 min | 400–800 mL | Risky for deep pours; add cooling time. |
Pigment and Filler Loading Reference
Percentages refer to mass of pigment relative to epoxy-only mass.
| Pigment / filler | Typical loading | Viscosity impact | Comments |
|---|---|---|---|
| Alcohol dye | 0.1–1.0% | Minimal | Strong color; avoid overuse for clarity. |
| Mica powder | 0.5–2.0% | Low–moderate | Pearlescent effects; can settle if too thin. |
| Paste pigment | 1.0–5.0% | Moderate–high | Opaque results; follow manufacturer limits. |
| Metal powder | 0.5–3.0% | High | Increases mass and heat; mix thoroughly. |
| Microballoons | 1.0–10.0% | Moderate | Lightweight fill; reduces density, sanding easier. |
This tool provides estimates for planning. Verify against the manufacturer’s specifications and perform test batches when possible.