The Hot Melt Glass Mosaic Processing Techniques Details (9/7/2012)

The Hot Melt Glass Mosaic, also known as Hot Melt Stereoscopic Sound-absorbing Glass Mosaic. It��s by thermal furnace glass heated to a molten state (heating temperature is generally in 750 �� C), so that the glass is formed of natural, various forms and three-dimensional patterns, having a sound-absorbing effect, dazzling, elegant, giving a hazy feeling and imagination, through the combination of color and craft, its precious artistic value other similar products can not be unparalleled. For families and large entertainment venues, and used in conjunction with high-end decorative materials, play a finishing touch to the decoration works.

Heating temperature
Due to each glass manufacturer produce glass melting temperature is not the same, so the processing of melt glass mosaic as much as possible to use the same glass manufacturers. If switch to other glass manufacturers, you need to adjust the temperature curve.

Temperature curve
The temperature curve is the glass heated to the molten state after annealing and cooling the temperature process. Heat furnace temperature curve, adjust the entire hot melt process on the computer, does not require manual control. The simple hot furnace temperature curve need manually control the temperature.

Annealing
The cooling process, after the molding of the glass thermofusible annealing. Annealing bad, the glass in the furnace will burst after completion of cold blast or hot melt, the reason is not fully annealed, so that the glass gravity changed. The glass annealing to 300 degrees Celsius most likely to burst at 300 degrees Celsius, the annealing temperature segments: up - down - and then rise to anneal. Hot furnace, heat furnace temperature curve, annealing can set the temperature curve to be especially careful when manually control the temperature of annealing.

Hot melt mold
For a mold of the hot-melt glass processing, general use of high temperature without the change of thermal expansion material, such as cotton insulation, insulation board, etc., or glass expansion coefficient is little difference between the materials, such as quartz sand, iron, stainless steel cotton etc.

Coefficient of thermal expansion
It means contractibility rate caused by the object in the process of heating and cooling. Mold for hot melt glass expansion coefficient and the glass is almost less, otherwise, it will cause the burst of glass or difficult mold release.

(Author Mosaic and Tile, China Leiyuan 9/7/2012)

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