Head-to-head

Beef Tallow vs Sunflower Oil

hard
soft

Substitution factor

NaOH SAP A 0.1410NaOH SAP B 0.1340A / B = 0.1410 / 0.1340

1.0522

Multiply your lye amount by 1.0522 when swapping Beef Tallow for Sunflower Oil.

Inverse 0.9504 when swapping Sunflower Oil for Beef Tallow.

500 g swap · pure NaOH

500 g Beef Tallow
70.50 g NaOH
500 g Sunflower Oil
67.00 g NaOH
Lye_A = Lye_B × factor
67.00 × 1.0522 = 70.50
Reverse pair

Constants

SAP, iodine, INS

MetricBeef TallowSunflower OilΔ A−B
NaOH SAP (pure)

0.1410

0.1340

+0.0070
KOH SAP (pure)

0.1980

0.1880

+0.0100
KOH SAP (90%)

0.2200

0.2089

+0.0111
Iodine value

45

133

-88
INS

147

63

+84
Max % of oils

50%

15%

+35
Hardness class

hard

soft

—
Trace

neutral

slows

—
INCI (pre-sap)

Adeps Bovis (Tallow)

Helianthus Annuus (Sunflower) Seed Oil

—
INCI NaOH salt

Sodium Tallowate

Sodium Sunflowerate

—
INCI KOH salt

Potassium Tallowate

Potassium Sunflowerate

—

Fatty acids

Eight-acid profile

MetricBeef TallowSunflower OilΔ A−B
Lauric C12:0

0.0%

0.0%

0.0
Myristic C14:0

3.0%

0.0%

+3.0
Palmitic C16:0

28.0%

7.0%

+21.0
Stearic C18:0

22.0%

5.0%

+17.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

42.0%

19.0%

+23.0
Linoleic C18:2

3.0%

68.0%

-65.0
Linolenic C18:3

0.0%

1.0%

-1.0

Quality

Physical contribution

MetricBeef TallowSunflower OilΔ A−B
Hardness

53.0

12.0

+41.0
Cleansing

3.0

0.0

+3.0
Conditioning

45.0

88.0

-43.0
Bubbly lather

3.0

0.0

+3.0
Creamy lather

50.0

12.0

+38.0
Longevity

50.0

12.0

+38.0