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Polyurethane (Pu) is an ultra-light, bearing, elastic, impact-resistant, sound-insulating compound. This compound is often applied as insulation on water heaters. In this article, let’s learn about Polyurethane together with lassho.edu.vn to know more.
The concept and characteristics of Polyurethane
What is polyurethane?
Polyurethane (Pu) is a polymeric compound made from many different compounds such as polyols, foaming agents, isocyanates, catalysts, etc., which are mixed by a specialized high-pressure sprayer to create ultra-light, odorless foam. have ivory white, blue, red colors according to the variation of each type of product.
Features of Polyurethane
- Abrasion resistance.
- No grease, organic solvents.
- Environmentally stable, resistant to oxidizing effects, denatured and flame retardant.
- Good electrical insulation, heat resistance, sound insulation.
- Super light, bearing, elastic, high impact resistance.
Application of Polyurethane in water heater
Because of its high strength, super light, bearing capacity, good elasticity and high heat resistance, it is often used as an insulation layer in solar water heaters to keep hot for up to 96 hours,…
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