It's a type of plastic materials , chemically it's simple a polymer consist of billions of repeating unites is called Urethane which is an ester of Carbamic Acid with any diol (alcohol with...
A polyurethane is any polymer consisting of a chain of organic units joined by urethane links. It is widely used in flexible and rigid foams, durable elastomers and high performance adhesives and...
If you apply pressure holding it upright with your palms on the top and bottom its nearly unbreakable but if you put pressure anywhere else it will break easily
adavantages include these among others:
1 synthesised polyurethane is unalloyed and homogeneous
2 raw materials can be analysed and modified before use but in recycled polyurethane, it is a...