Oil A
Castor OilRicinus communis
NaOH 0.1280
Load 500 gHead-to-head
Castor Oil vs Lard
soft
hard
Oil B
LardAdeps suillus
NaOH 0.1390
Load 500 gSubstitution factor
NaOH SAP A 0.1280NaOH SAP B 0.1390A / B = 0.1280 / 0.1390
0.9209
Multiply your lye amount by 0.9209 when swapping Castor Oil for Lard.
Inverse 1.0859 when swapping Lard for Castor Oil.
500 g swap · pure NaOH
- 500 g Castor Oil
- 64.00 g NaOH
- 500 g Lard
- 69.50 g NaOH
- Lye_A = Lye_B × factor
- 69.50 × 0.9209 = 64.00
Constants
SAP, iodine, INS
| Metric | Castor Oil | Lard | Δ A−B |
|---|---|---|---|
| NaOH SAP (pure) | 0.1280 | 0.1390 | -0.0110 |
| KOH SAP (pure) | 0.1800 | 0.1950 | -0.0150 |
| KOH SAP (90%) | 0.2000 | 0.2167 | -0.0167 |
| Iodine value | 86 | 57 | +29 |
| INS | 95 | 139 | -44 |
| Max % of oils | 10% | 50% | -40 |
| Hardness class | soft | hard | — |
| Trace | accelerates | slows | — |
| INCI (pre-sap) | Ricinus Communis (Castor) Seed Oil | Adeps Suillus (Lard) | — |
| INCI NaOH salt | Sodium Ricinoleate | Sodium Lardate | — |
| INCI KOH salt | Potassium Ricinoleate | Potassium Lardate | — |
Fatty acids
Eight-acid profile
| Metric | Castor Oil | Lard | Δ A−B |
|---|---|---|---|
| Lauric C12:0 | 0.0% | 0.0% | 0.0 |
| Myristic C14:0 | 0.0% | 1.0% | -1.0 |
| Palmitic C16:0 | 1.0% | 26.0% | -25.0 |
| Stearic C18:0 | 1.0% | 14.0% | -13.0 |
| Ricinoleic C18:1-OH | 90.0% | 0.0% | +90.0 |
| Oleic C18:1 | 4.0% | 44.0% | -40.0 |
| Linoleic C18:2 | 4.0% | 10.0% | -6.0 |
| Linolenic C18:3 | 0.0% | 1.0% | -1.0 |
Quality
Physical contribution
| Metric | Castor Oil | Lard | Δ A−B |
|---|---|---|---|
| Hardness | 2.0 | 41.0 | -39.0 |
| Cleansing | 0.0 | 1.0 | -1.0 |
| Conditioning | 98.0 | 55.0 | +43.0 |
| Bubbly lather | 90.0 | 1.0 | +89.0 |
| Creamy lather | 92.0 | 40.0 | +52.0 |
| Longevity | 2.0 | 40.0 | -38.0 |