Head-to-head

Lard vs Sunflower Oil

hard
soft

Substitution factor

NaOH SAP A 0.1380NaOH SAP B 0.1340A / B = 0.1380 / 0.1340

1.0299

Multiply your lye amount by 1.0299 when swapping Lard for Sunflower Oil.

Inverse 0.9710 when swapping Sunflower Oil for Lard.

500 g swap · pure NaOH

500 g Lard
69.00 g NaOH
500 g Sunflower Oil
67.00 g NaOH
Lye_A = Lye_B × factor
67.00 × 1.0299 = 69.00
Reverse pair

Constants

SAP, iodine, INS

MetricLardSunflower OilΔ A−B
NaOH SAP (pure)

0.1380

0.1340

+0.0040
KOH SAP (pure)

0.1930

0.1880

+0.0050
KOH SAP (90%)

0.2144

0.2089

+0.0056
Iodine value

57

133

-76
INS

139

63

+76
Max % of oils

100%

15%

+85
Hardness class

hard

soft

Trace

slows

slows

INCI (pre-sap)

Lard

Helianthus Annuus (Sunflower) Seed Oil

INCI NaOH salt

Sodium Lardate

Sodium Sunflowerate

INCI KOH salt

Potassium Lardate

Potassium Sunflowerate

Fatty acids

Eight-acid profile

MetricLardSunflower OilΔ A−B
Lauric C12:0

0.0%

0.0%

0.0
Myristic C14:0

1.0%

0.0%

+1.0
Palmitic C16:0

28.0%

7.0%

+21.0
Stearic C18:0

13.0%

5.0%

+8.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

46.0%

19.0%

+27.0
Linoleic C18:2

6.0%

68.0%

-62.0
Linolenic C18:3

1.0%

1.0%

0.0

Quality

Physical contribution

MetricLardSunflower OilΔ A−B
Hardness

42.0

12.0

+30.0
Cleansing

1.0

0.0

+1.0
Conditioning

53.0

88.0

-35.0
Bubbly lather

1.0

0.0

+1.0
Creamy lather

41.0

12.0

+29.0
Longevity

41.0

12.0

+29.0