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Month: February, 2012

a few facts about ingredients used in soap

The first soaps were probably the saps of certain plants, such as the Soap Plant (Chlorogalum pomeridianum), whose roots can be crushed in water to form a lather, and used as a shampoo.

 

Later, people learned that fats would react with alkalies in the ashes left over from a fire to produce saponified compounds such as sodium stearate and the related potassium stearate.

 

Today, soaps are made from fats and oils that react with lye (sodium hydroxide). Solid fats like coconut oil, palm oil, tallow (rendered beef fat), or lard (rendered pork fat), are used to form bars of soap that stay hard and resist dissolving in the water left in the soap dish.

 

Oils such as olive oil, soybean oil, or canola oil make softer soaps. Castile soap is any soap that is made primarily of olive oil, and is known for being mild and soft.

 

As warm liquid fats react with lye and begin to saponify, they start to thicken like pudding. At this point dyes and perfumes are often added. The hardening liquid is then poured into molds, where it continues to react, generating heat. After a day, the bars can be cut and wrapped, but the saponification process continues for a few weeks, until all of the lye has reacted with the oils.

 

Soaps are often superfatted, so after all of the lye has reacted with the fats, there are still fats left over. This is important for two reasons. First, the resulting soap is easier to cut, and feels smoother on the skin. Second, the extra fats make sure that all of the lye reacts, so no lye is left to irritate the skin, and the resulting soap is not too alkaline.

 

http://sci-toys.com/ingredients/soap.html

Cool candle carving

This video is about the german tradition of candle carving, its a cool way to make candles interesting

Candle Types

Layered Candles, poured into a mould one layer at a time.

Jar candle, molten wax poured into a recycled jar.

Pharrell Williams Star Track Candles. Wax poured into a mould shaped like a hand.

Cut and carved candles. Hand made, layers of wax going inwards and being displayed through cutting, peeling and folding.

Bees wax candles. Layer of bees wax is rolled around the wick to create a cylindrical candle.

soap texture.

this is a scented soap but it is poured into a mould which gives it a texture.
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bath BOMBS!!

we could consider doing bath bomb’s?

these turn the water into marble.
oj

soap cutting process

using nylon and a conveyor belt we can creatively and simply cut soap.
oj

Soap Manufacturing

This is a video animation showing how soap is manufactured. The conveyor belt could be of use in the machine.
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