Cold-process bench

Saponis

Head-to-head

Beef Tallow vs Palm Oil (RSPO)

hard
hard

Substitution factor

NaOH SAP A 0.1410NaOH SAP B 0.1420A / B = 0.1410 / 0.1420

0.9930

Multiply your lye amount by 0.9930 when swapping Beef Tallow for Palm Oil (RSPO).

Inverse 1.0071 when swapping Palm Oil (RSPO) for Beef Tallow.

500 g swap · pure NaOH

500 g Beef Tallow
70.50 g NaOH
500 g Palm Oil (RSPO)
71.00 g NaOH
Lye_A = Lye_B × factor
71.00 × 0.9930 = 70.50
Reverse pair

Constants

SAP, iodine, INS

MetricBeef TallowPalm Oil (RSPO)Δ A−B
NaOH SAP (pure)

0.1410

0.1420

-0.0010
KOH SAP (pure)

0.1990

0.1990

0.0000
KOH SAP (90%)

0.2211

0.2211

0.0000
Iodine value

45

53

-8
INS

147

145

+2
Max % of oils

50%

50%

0
Hardness class

hard

hard

—
Trace

slows

neutral

—
INCI (pre-sap)

Tallow

Elaeis Guineensis (Palm) Oil

—
INCI NaOH salt

Sodium Tallowate

Sodium Palmate

—
INCI KOH salt

Potassium Tallowate

Potassium Palmate

—

Fatty acids

Eight-acid profile

MetricBeef TallowPalm Oil (RSPO)Δ A−B
Lauric C12:0

2.0%

0.0%

+2.0
Myristic C14:0

3.0%

1.0%

+2.0
Palmitic C16:0

29.0%

44.0%

-15.0
Stearic C18:0

18.0%

5.0%

+13.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

42.0%

39.0%

+3.0
Linoleic C18:2

3.0%

10.0%

-7.0
Linolenic C18:3

1.0%

0.0%

+1.0

Quality

Physical contribution

MetricBeef TallowPalm Oil (RSPO)Δ A−B
Hardness

52.0

50.0

+2.0
Cleansing

5.0

1.0

+4.0
Conditioning

46.0

49.0

-3.0
Bubbly lather

5.0

1.0

+4.0
Creamy lather

47.0

49.0

-2.0
Longevity

47.0

49.0

-2.0