Cold-process bench

Saponis

Head-to-head

Palm Oil (RSPO) vs Beef Tallow

hard
hard

Substitution factor

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

1.0071

Multiply your lye amount by 1.0071 when swapping Palm Oil (RSPO) for Beef Tallow.

Inverse 0.9930 when swapping Beef Tallow for Palm Oil (RSPO).

500 g swap · pure NaOH

500 g Palm Oil (RSPO)
71.00 g NaOH
500 g Beef Tallow
70.50 g NaOH
Lye_A = Lye_B × factor
70.50 × 1.0071 = 71.00
Reverse pair

Constants

SAP, iodine, INS

MetricPalm Oil (RSPO)Beef TallowΔ A−B
NaOH SAP (pure)

0.1420

0.1410

+0.0010
KOH SAP (pure)

0.1990

0.1990

0.0000
KOH SAP (90%)

0.2211

0.2211

0.0000
Iodine value

53

45

+8
INS

145

147

-2
Max % of oils

50%

50%

0
Hardness class

hard

hard

—
Trace

neutral

slows

—
INCI (pre-sap)

Elaeis Guineensis (Palm) Oil

Tallow

—
INCI NaOH salt

Sodium Palmate

Sodium Tallowate

—
INCI KOH salt

Potassium Palmate

Potassium Tallowate

—

Fatty acids

Eight-acid profile

MetricPalm Oil (RSPO)Beef TallowΔ A−B
Lauric C12:0

0.0%

2.0%

-2.0
Myristic C14:0

1.0%

3.0%

-2.0
Palmitic C16:0

44.0%

29.0%

+15.0
Stearic C18:0

5.0%

18.0%

-13.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

39.0%

42.0%

-3.0
Linoleic C18:2

10.0%

3.0%

+7.0
Linolenic C18:3

0.0%

1.0%

-1.0

Quality

Physical contribution

MetricPalm Oil (RSPO)Beef TallowΔ A−B
Hardness

50.0

52.0

-2.0
Cleansing

1.0

5.0

-4.0
Conditioning

49.0

46.0

+3.0
Bubbly lather

1.0

5.0

-4.0
Creamy lather

49.0

47.0

+2.0
Longevity

49.0

47.0

+2.0