Head-to-head

Palm Oil (RSPO) vs Lard

hard
hard

Substitution factor

NaOH SAP A 0.1420NaOH SAP B 0.1390A / B = 0.1420 / 0.1390

1.0216

Multiply your lye amount by 1.0216 when swapping Palm Oil (RSPO) for Lard.

Inverse 0.9789 when swapping Lard for Palm Oil (RSPO).

500 g swap · pure NaOH

500 g Palm Oil (RSPO)
71.00 g NaOH
500 g Lard
69.50 g NaOH
Lye_A = Lye_B × factor
69.50 × 1.0216 = 71.00
Reverse pair

Constants

SAP, iodine, INS

MetricPalm Oil (RSPO)LardΔ A−B
NaOH SAP (pure)

0.1420

0.1390

+0.0030
KOH SAP (pure)

0.1990

0.1950

+0.0040
KOH SAP (90%)

0.2211

0.2167

+0.0044
Iodine value

53

57

-4
INS

145

139

+6
Max % of oils

50%

50%

0
Hardness class

hard

hard

—
Trace

neutral

slows

—
INCI (pre-sap)

Elaeis Guineensis (Palm) Oil

Adeps Suillus (Lard)

—
INCI NaOH salt

Sodium Palmate

Sodium Lardate

—
INCI KOH salt

Potassium Palmate

Potassium Lardate

—

Fatty acids

Eight-acid profile

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

0.0%

0.0%

0.0
Myristic C14:0

1.0%

1.0%

0.0
Palmitic C16:0

44.0%

26.0%

+18.0
Stearic C18:0

5.0%

14.0%

-9.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

39.0%

44.0%

-5.0
Linoleic C18:2

10.0%

10.0%

0.0
Linolenic C18:3

0.0%

1.0%

-1.0

Quality

Physical contribution

MetricPalm Oil (RSPO)LardΔ A−B
Hardness

50.0

41.0

+9.0
Cleansing

1.0

1.0

0.0
Conditioning

49.0

55.0

-6.0
Bubbly lather

1.0

1.0

0.0
Creamy lather

49.0

40.0

+9.0
Longevity

49.0

40.0

+9.0