Head-to-head

Neem Oil vs Lard

soft
hard

Substitution factor

NaOH SAP A 0.1387NaOH SAP B 0.1390A / B = 0.1387 / 0.1390

0.9978

Multiply your lye amount by 0.9978 when swapping Neem Oil for Lard.

Inverse 1.0022 when swapping Lard for Neem Oil.

500 g swap · pure NaOH

500 g Neem Oil
69.35 g NaOH
500 g Lard
69.50 g NaOH
Lye_A = Lye_B × factor
69.50 × 0.9978 = 69.35
Reverse pair

Constants

SAP, iodine, INS

MetricNeem OilLardΔ A−B
NaOH SAP (pure)

0.1387

0.1390

-0.0003
KOH SAP (pure)

0.1945

0.1950

-0.0005
KOH SAP (90%)

0.2161

0.2167

-0.0006
Iodine value

72

57

+15
INS

123

139

-16
Max % of oils

10%

50%

-40
Hardness class

soft

hard

—
Trace

accelerates

slows

—
INCI (pre-sap)

Azadirachta Indica (Neem) Seed Oil

Adeps Suillus (Lard)

—
INCI NaOH salt

Sodium Neemate

Sodium Lardate

—
INCI KOH salt

Potassium Neemate

Potassium Lardate

—

Fatty acids

Eight-acid profile

MetricNeem OilLardΔ A−B
Lauric C12:0

0.0%

0.0%

0.0
Myristic C14:0

0.0%

1.0%

-1.0
Palmitic C16:0

18.0%

26.0%

-8.0
Stearic C18:0

18.0%

14.0%

+4.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

52.0%

44.0%

+8.0
Linoleic C18:2

9.0%

10.0%

-1.0
Linolenic C18:3

0.0%

1.0%

-1.0

Quality

Physical contribution

MetricNeem OilLardΔ A−B
Hardness

36.0

41.0

-5.0
Cleansing

0.0

1.0

-1.0
Conditioning

61.0

55.0

+6.0
Bubbly lather

0.0

1.0

-1.0
Creamy lather

36.0

40.0

-4.0
Longevity

36.0

40.0

-4.0