What Is Reflective Glass & How Is It Made?

Have you ever seen a building with a mirror-like surface that seems to reflect the sky and the surroundings? That’s probably reflective glass! This unique building material has been used in architecture for decades and is still a popular choice for modern buildings worldwide. In this article, we’ll examine what reflective glass is, how it’s made, and why it’s so useful.

What Is Reflective Glass?

Reflective glass is a type of glass that has been treated with a special coating that reflects light and heat. This coating is usually made of metal oxides, such as titanium dioxide, and it’s applied to the surface of the glass during manufacturing. The coating is so thin that it’s almost invisible, but it greatly impacts how the glass looks and behaves.

The Reflective glass comes in various colors, from bronze and blue to silver and green. The color of the glass is determined by the type of metal oxide used in the coating. For example, a coating of titanium dioxide and iron oxide will give the glass a bronze color. In contrast, a coating made of titanium dioxide and silver will give the glass a silver color.

How Is Reflective Glass Made?

Reflective glass is made using a process called pyrolysis. This process involves heating the glass to a very high temperature and then applying the metal oxide coating to the surface while the glass is still hot. The metal oxide coating is then fused to the glass, creating a strong bond resistant to fading, scratching, and weathering. Here’s a step-by-step guide to how reflective glass is made:

  • The raw materials for the glass are melted in a furnace at temperatures above 1500°C.
  • The molten glass is then poured onto a bed of molten tin, which smooths out the surface of the glass and gives it a uniform thickness.
  • The glass is then heated to a temperature of around 600°C.
  • While the glass is hot, the metal oxide coating is applied to the surface using magnetron sputtering.
  • The coated glass is then cooled slowly to room temperature, which allows the metal oxide coating to bond with the glass.
  • The glass is then cut to size and tempered, which makes it stronger and more durable.

Applications of Reflective Glass

Reflective glass is a versatile material that can be used in various applications. Here are some examples:

  • Commercial Buildings: Reflective glass is commonly used in commercial buildings, such as office towers, hotels, and shopping malls. It can help reduce energy consumption and create a sense of privacy while also enhancing the aesthetics of the building.
  • Residential Homes: Reflective glass can also be used in residential homes, particularly in areas with high levels of sunlight and heat. It can help reduce energy consumption and protect furniture and artwork from UV damage while providing privacy.
  • Automobiles: Reflective glass is also used in the windows of automobiles, such as cars and buses. It can help reduce glare from the sun and keep the interior of the vehicle cooler.


Reflective glass is a unique and useful building material that has been around for decades. It’s made by applying a metal oxide coating to the glass’s surface, which reflects light and heat. This coating makes the glass energy efficient, durable, and aesthetically pleasing. Reflective glass is used in various applications, including commercial buildings, residential homes, and automobiles.

It’s particularly useful in hot and sunny climates, such as India, where it can help reduce energy consumption and protect interiors from UV damage. If you’re looking for a building material that’s both practical and stylish, reflective glass might be the perfect choice for your next project.

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