Head-to-head

Lard vs Olive Oil

hard
soft

Substitution factor

NaOH SAP A 0.1380NaOH SAP B 0.1340A / B = 0.1380 / 0.1340

1.0299

Multiply your lye amount by 1.0299 when swapping Lard for Olive Oil.

Inverse 0.9710 when swapping Olive Oil for Lard.

500 g swap · pure NaOH

500 g Lard
69.00 g NaOH
500 g Olive Oil
67.00 g NaOH
Lye_A = Lye_B × factor
67.00 × 1.0299 = 69.00
Reverse pair

Constants

SAP, iodine, INS

MetricLardOlive OilΔ A−B
NaOH SAP (pure)

0.1380

0.1340

+0.0040
KOH SAP (pure)

0.1930

0.1880

+0.0050
KOH SAP (90%)

0.2144

0.2089

+0.0056
Iodine value

57

85

-28
INS

139

109

+30
Max % of oils

100%

100%

0
Hardness class

hard

soft

Trace

slows

slows

INCI (pre-sap)

Lard

Olea Europaea (Olive) Fruit Oil

INCI NaOH salt

Sodium Lardate

Sodium Olivate

INCI KOH salt

Potassium Lardate

Potassium Olivate

Fatty acids

Eight-acid profile

MetricLardOlive OilΔ A−B
Lauric C12:0

0.0%

0.0%

0.0
Myristic C14:0

1.0%

0.0%

+1.0
Palmitic C16:0

28.0%

14.0%

+14.0
Stearic C18:0

13.0%

3.0%

+10.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

46.0%

71.0%

-25.0
Linoleic C18:2

6.0%

11.0%

-5.0
Linolenic C18:3

1.0%

1.0%

0.0

Quality

Physical contribution

MetricLardOlive OilΔ A−B
Hardness

42.0

17.0

+25.0
Cleansing

1.0

0.0

+1.0
Conditioning

53.0

83.0

-30.0
Bubbly lather

1.0

0.0

+1.0
Creamy lather

41.0

17.0

+24.0
Longevity

41.0

17.0

+24.0