(hint #1) Being able to play whatever I want has been a central theme to my own discovering how to play guitar. I've been on that path for 37 years, and it's enabled me to uncover, test and refine a unique, skill generating learning approach.
It is important to note that urethane foam is most commonly used to refer to a material made from polyurethane. The urethane reference in this name is to the type of links, also known as carbamates, that join the units in polyurethane.
Polyurethane foam, also known as Urethane Foam, Foam Rubber, PU, PUF and PUR, is a flexible, open-cell type of foam that has a near-infinite amount of applications due to the following characteristics: 1  Compressibility.2  Cushioning.3  Energy absorption.4  Fabricatibility.olyurethane foam, also known as Urethane Foam, Foam Rubber, PU, PUF and PUR, is a flexible, open-cell type of foam that has a near-infinite amount of applications due to the following characteristics: 1  Compressibility. 2  Cushioning. 3  Energy absorption. 4  Fabricatibility.