Head-to-head

Beef Tallow vs Olive Oil

hard
soft

Substitution factor

NaOH SAP A 0.1410NaOH SAP B 0.1340A / B = 0.1410 / 0.1340

1.0522

Multiply your lye amount by 1.0522 when swapping Beef Tallow for Olive Oil.

Inverse 0.9504 when swapping Olive Oil for Beef Tallow.

500 g swap · pure NaOH

500 g Beef Tallow
70.50 g NaOH
500 g Olive Oil
67.00 g NaOH
Lye_A = Lye_B × factor
67.00 × 1.0522 = 70.50
Reverse pair

Constants

SAP, iodine, INS

MetricBeef TallowOlive OilΔ A−B
NaOH SAP (pure)

0.1410

0.1340

+0.0070
KOH SAP (pure)

0.1990

0.1880

+0.0110
KOH SAP (90%)

0.2211

0.2089

+0.0122
Iodine value

45

85

-40
INS

147

109

+38
Max % of oils

50%

100%

-50
Hardness class

hard

soft

Trace

slows

slows

INCI (pre-sap)

Tallow

Olea Europaea (Olive) Fruit Oil

INCI NaOH salt

Sodium Tallowate

Sodium Olivate

INCI KOH salt

Potassium Tallowate

Potassium Olivate

Fatty acids

Eight-acid profile

MetricBeef TallowOlive OilΔ A−B
Lauric C12:0

2.0%

0.0%

+2.0
Myristic C14:0

3.0%

0.0%

+3.0
Palmitic C16:0

29.0%

14.0%

+15.0
Stearic C18:0

18.0%

3.0%

+15.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

42.0%

71.0%

-29.0
Linoleic C18:2

3.0%

11.0%

-8.0
Linolenic C18:3

1.0%

1.0%

0.0

Quality

Physical contribution

MetricBeef TallowOlive OilΔ A−B
Hardness

52.0

17.0

+35.0
Cleansing

5.0

0.0

+5.0
Conditioning

46.0

83.0

-37.0
Bubbly lather

5.0

0.0

+5.0
Creamy lather

47.0

17.0

+30.0
Longevity

47.0

17.0

+30.0