How is Hush Glass Made

The process of making Hush Glass is similar to that of traditional laminated glass, with an emphasis on enhancing acoustic properties. Here’s an overview of the manufacturing process:

  1. Selection of Glass Sheets: The process starts by selecting two or more sheets of glass. These could be float glass or any other type of glass depending on the desired properties and applications.
  2. Interlayer Preparation: The distinctive feature of Hush Glass is its specialized interlayer, which is thicker and often made of a combination of materials designed to dampen sound. This acoustic interlayer is typically a viscoelastic material that has the ability to convert sound energy into heat energy, thus providing effective sound insulation.
  3. Assembly: The glass sheets and the acoustic interlayer are assembled together in a clean environment. The interlayer is placed between the glass sheets, forming a sandwich-like structure.
  4. De-Airing: The assembled layers go through a process to remove any air bubbles trapped between the layers. This is crucial to ensure clarity and prevent defects in the finished product.
  5. Autoclaving: The assembled glass is then subjected to heat and pressure in an autoclave. This process helps the interlayer to adhere to the glass sheets, creating a single, solid product.
  6. Quality Checks: After the autoclaving process, the Hush Glass undergoes rigorous quality checks to ensure that it meets the required standards for sound insulation, clarity, and safety.
  7. Cutting and Finishing: The final sheets of Hush Glass can be cut to size, and edges can be polished or finished as per the requirements of the application.

By incorporating a thicker, acoustically engineered interlayer, Hush Glass provides enhanced sound reduction compared to standard laminated or float glass. This makes it a popular choice for applications where noise reduction is a priority.


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