The energy consumption required to manufacture HOLLOW GLASS MICROSPHERES POWDERs

The energy consumption required to manufacture HOLLOW GLASS MICROSPHERES POWDERs, as described in Examples 1-4 of U.S. Patent No. 4,391,646 (Howell), can range from about 8 to about 50 kW-h per kg of product made. While commercial processes operating at a larger scale are more efficient, they still tend to use more than 5 kW- h per kg of product. Provided here are improved energy-efficient processes for producing HOLLOW GLASS MICROSPHERES POWDERs having high strength-to-density ratios compared w

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HOLLOW GLASS MICROSPHERES POWDER will solidify before it can burst

Attempts to form monocellular HOLLOW GLASS MICROSPHERES POWDERs from a feed comprising a blowing agent using electrical furnaces were not successful because the short residence times used in a flame-forming process could not be attained. That lack of control on the time scale means that forming conditions can only be optimal for a part of the particle size distribution, so HOLLOW GLASS MICROSPHERES POWDER yields tend to be low. To overcome the delicate balance between glass melt viscosity and pr

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HOLLOW GLASS MICROSPHERES POWDERs

Hollow glass microspheres ("HOLLOW GLASS MICROSPHERES POWDERs"), also referred to as "glass bubbles," are balloon-like glass structures having a median diameter of fewer than 500 micrometers. HOLLOW GLASS MICROSPHERES POWDERs are currently made using a process where a milled glass powder (or "glass frit") that contains a suitable blowing agent is flame-heated to temperatures at which the glass begins to soften. At these temperatures, the blowing agent either becomes or produces a gas, causing th

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Hollow glass powder to Develop high strength concrete

What is Hollow glass powder?Hyundai E&C said it had developed the world's first high-strength concrete with reduced viscosity by utilizing hollow glass powder. It is possible to significantly reduce the viscosity of concrete with only a small amount of hollow glass powder and secure workability easily because external temperatures do not affect it. The builder has verified the excellent performance of high-strength concrete with a compressive strength of up to 80MPa through field demonstration.

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