Tamanu Oil has a saponification (SAP) value of 0.1483 for NaOH (bar soap) and 0.208 for KOH (liquid soap). It's typically used at 2-8% of the oils.
How much lye for Tamanu Oil?
Lye at 0% superfat = oil weight × SAP. Apply your superfat to reduce it (e.g. ×0.95 for 5%).
| Tamanu Oil | NaOH (0% SF) | NaOH (5% SF) | KOH (0% SF) |
|---|---|---|---|
| 100 g | 14.8 g | 14.1 g | 20.8 g |
| 250 g | 37.1 g | 35.2 g | 52 g |
| 500 g | 74.1 g | 70.4 g | 104 g |
What Tamanu Oil does in soap
| Property | Value |
|---|---|
| Hardness | 27 |
| Cleansing | 0 |
| Conditioning | 70 |
| Bubbly lather | 0 |
| Creamy lather | 27 |
| Longevity | 27 |
Values are the oil's solo contribution (SoapCalc-style property model). Real bars blend several oils — build the full recipe to see the combined profile.
Fatty-acid profile
| Fatty acid | % |
|---|---|
| palmitic | 14% |
| stearic | 13% |
| oleic | 40% |
| linoleic | 30% |
Build a recipe with Tamanu Oil in SoapCalc — it computes the exact lye for your oils at any superfat and saves the recipe. See all soap-making oils or the SAP value chart.