Lard is is a whole oil rendered from pig fat and is made up of glycerin and fatty acids.
Lard is solid at room temperature.
It saponifies slowly and if the soap is not hot processed should be allowed to cure least 4 weeks.
It is used to add hardening and conditioning properties to bar soaps and to add conditioning and thickening properties to liquid soaps.
Properties added to soap: Hardening, Conditioning.
Bar (NaOH) SAP:0.1378
Liquid (KOH) SAP:0.1932
Effects on biodiesel glycerin soaps:
- Lard will NOT participate in glycerin negation when used in biodiesel glycerin soaps.
- Bar Soap - Lard will add conditioning and hardening properties.
- Liquid Soap - Biodiesel glycerin liquid soap will benefit from added conditioning and thickening with the use of Lard.
- Hybrid Soap - Lard can add creaminess to biodiesel soaps that use both sodium and potassium based glycerin.