Oil A
LardAdeps suillus
NaOH 0.1390
Load 500 gHead-to-head
Lard vs Beef Tallow
hard
hard
Oil B
Beef TallowAdeps bovis
NaOH 0.1410
Load 500 gSubstitution factor
NaOH SAP A 0.1390NaOH SAP B 0.1410A / B = 0.1390 / 0.1410
0.9858
Multiply your lye amount by 0.9858 when swapping Lard for Beef Tallow.
Inverse 1.0144 when swapping Beef Tallow for Lard.
500 g swap · pure NaOH
- 500 g Lard
- 69.50 g NaOH
- 500 g Beef Tallow
- 70.50 g NaOH
- Lye_A = Lye_B × factor
- 70.50 × 0.9858 = 69.50
Constants
SAP, iodine, INS
| Metric | Lard | Beef Tallow | Δ A−B |
|---|---|---|---|
| NaOH SAP (pure) | 0.1390 | 0.1410 | -0.0020 |
| KOH SAP (pure) | 0.1950 | 0.1980 | -0.0030 |
| KOH SAP (90%) | 0.2167 | 0.2200 | -0.0033 |
| Iodine value | 57 | 45 | +12 |
| INS | 139 | 147 | -8 |
| Max % of oils | 50% | 50% | 0 |
| Hardness class | hard | hard | — |
| Trace | slows | neutral | — |
| INCI (pre-sap) | Adeps Suillus (Lard) | Adeps Bovis (Tallow) | — |
| INCI NaOH salt | Sodium Lardate | Sodium Tallowate | — |
| INCI KOH salt | Potassium Lardate | Potassium Tallowate | — |
Fatty acids
Eight-acid profile
| Metric | Lard | Beef Tallow | Δ A−B |
|---|---|---|---|
| Lauric C12:0 | 0.0% | 0.0% | 0.0 |
| Myristic C14:0 | 1.0% | 3.0% | -2.0 |
| Palmitic C16:0 | 26.0% | 28.0% | -2.0 |
| Stearic C18:0 | 14.0% | 22.0% | -8.0 |
| Ricinoleic C18:1-OH | 0.0% | 0.0% | 0.0 |
| Oleic C18:1 | 44.0% | 42.0% | +2.0 |
| Linoleic C18:2 | 10.0% | 3.0% | +7.0 |
| Linolenic C18:3 | 1.0% | 0.0% | +1.0 |
Quality
Physical contribution
| Metric | Lard | Beef Tallow | Δ A−B |
|---|---|---|---|
| Hardness | 41.0 | 53.0 | -12.0 |
| Cleansing | 1.0 | 3.0 | -2.0 |
| Conditioning | 55.0 | 45.0 | +10.0 |
| Bubbly lather | 1.0 | 3.0 | -2.0 |
| Creamy lather | 40.0 | 50.0 | -10.0 |
| Longevity | 40.0 | 50.0 | -10.0 |