Triethanolamine (TEA):

TEA is used primarily as an emulsifier by neutralizing fatty acids. One unique quality of  TEA is that it freezes at 70 degrees F, which causes discoloring of the material.
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Up Stream Materials/Building Blocks:
​Ethylene oxide 

Ammonia

Ethanolamine (EA, MEA) (coproduct)

Diethanolamine (DEA) (coproduct)

Down Stream Materials Consuming Triethylene Amine (TEA):

Cement

Cosmetics (pH)

Detergents/Soaps

Ear drops (API)

Electroplating

Fabric Softener

Surfactants