• Materials used cooking oil of any kind, soybeans, sunflower seed oil. etc. We must pass it through a fine strainer to remove impurities.
• A plastic paint pot (25 liters)
• wooden stick for stirring.
• Moulds.
• Water.
• Caustic soda. (Sodium hydroxide).
HOME HOW TO MAKE SOAP:
1 .- save two gallons of used oil.
2 .- Fill a bucket with two gallons of water. To make loaves of soap colors can add food coloring to water.
3 .- In a ventilated area and with the help of a stick, dilute with water half a kilo of caustic soda and a pinch of salt. There will be a chemical reaction "exothermic (heat) that requires several hours to cool. Caustic soda is a material damage the skin if it comes in contact with it. Therefore it is advisable to wear gloves and goggles. 4 .-
slowly pour oil on the liquid mixture also called caustic lye, stirring continuously (always in the same direction, because otherwise you can "cut" the soap).
mixture is heated with lighter up to the boiling point and held for two hours this treatment for the purposes of producing the "saponification" of fats. This chemical reaction is the sodium combining bleach with fatty acids from oils to shape a "soluble organic salt" as we know it soap.
If you want to add soap scented herbs or other natural flavors after the mixture under the temperature at 40 º C.
5 .- When the mixture is thick, is poured into molds and allowed to harden for several days. If you are anxious to see as they leave the soaps can accelerate the process by placing some bread in the freezer.
6. Soaps are removed from the molds. You can also place the mixture on a large platter. She was allowed to stand and before you run completely hard cut into tablets with a common shear. To make it more comfortable off the molds they can be covered with flour or oil.
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