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What are the raw material of building blocks?

What are the raw material of building blocks?
Update Time:2018-06-21

  Menzzi building blocks are made by new polypropylene.

 Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. It is an addition polymer made via chain-growth polymerization from the monomer propylene. Polypropylene can be produced in a variety of structures giving rise to applications including packaging and labelingtextiles, plastic parts and reusable containers of various types, laboratory equipment, automotive components, and medical devices. It is a white, mechanically rugged material, and is resistant to many chemical solvents, bases and acids.

In 2013, the global market for polypropylene was about 55 million tonnes. Polypropylene is the world's second-most widely produced synthetic plastic, after polyethylene (see: commodity plastics)


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