Polyformaldehyde is a type of thermoplastic polymer made from formaldehyde. It is known for its high strength, rigidity, and resistance to heat and chemicals, making it useful in various applications, including engineering plastics and coatings. This polymer can be produced through the polymerization of formaldehyde, which is a simple organic compound. Due to its properties, polyformaldehyde is often used in the manufacturing of items like gears, valves, and electrical components, where durability and stability are essential.