Foaming agent Foaming agent A foaming agent is a material that facilitates formation of foam such as a surfactant or a blowing agent. A surfactant, when present in small amounts, reduces surface tension of a liquid (reduces the work needed to create the foam) or increases its colloidal stability by inhibiting coalescence of bubbles. A blowing agent is a gas that forms the gaseous part of the foam. Sodium laureth sulfate, or sodium lauryl ether sulfate (SLES), is a detergent and surfactant found in many personal care products (soaps, shampoos, toothpastes, etc.). It is an inexpensive and effective foamer. Sodium lauryl sulfate
Liquid Tension Experiment 2 whole band. For this song Petrucci used a seven-string guitar. A riff heard at 4:15 is very similar to the song "Race with Devil on Spanish Highway" by guitarist Al Di Meola, whom Petrucci has cited as an influence. A live version of "Acid Rain" later appeared on Dream Theater's 2001 album "Live Scenes from New York". In this version the bass part is played by John Myung of Dream Theater on a six-string bass. Liquid Tension Experiment 2 Liquid Tension Experiment 2 is the second and final studio album by instrumental rock/progressive metal supergroup Liquid Tension Experiment, released on