Tucuma Butter has a saponification (SAP) value of 0.17 for NaOH (bar soap) and 0.238 for KOH (liquid soap). It's typically used at 2-15% of the oils.
How much lye for Tucuma Butter?
Lye at 0% superfat = oil weight × SAP. Apply your superfat to reduce it (e.g. ×0.95 for 5%).
| Tucuma Butter | NaOH (0% SF) | NaOH (5% SF) | KOH (0% SF) |
|---|---|---|---|
| 100 g | 17 g | 16.2 g | 23.8 g |
| 250 g | 42.5 g | 40.4 g | 59.5 g |
| 500 g | 85 g | 80.8 g | 119 g |
What Tucuma Butter does in soap
| Property | Value |
|---|---|
| Hardness | 78 |
| Cleansing | 70 |
| Conditioning | 16 |
| Bubbly lather | 70 |
| Creamy lather | 8 |
| Longevity | 8 |
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 | % |
|---|---|
| lauric | 48% |
| myristic | 22% |
| palmitic | 6% |
| stearic | 2% |
| oleic | 13% |
| linoleic | 3% |
Build a recipe with Tucuma Butter 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.