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The black coating on the tiles was Reaction Cured Glass (RCG) of which tetraboron silicide and borosilicate glass were some of several ingredients. [10] RCG was applied to all but one side of the tile to protect the porous silica and to increase the heat sink properties. The coating was absent from a small margin of the sides adjacent to the ...
HMG Heat and Waterproof Adhesive (also known as HMG or HMG adhesive) is a brand of cellulose nitrate adhesive manufactured by H Marcel Guest Ltd. It is one of the most popular cellulose nitrate adhesives used in conservation and restoration work, and is used on materials such as metal, wood, glass, and pottery.
Optical bonding is the use of an optical-grade adhesive to glue a glass to the top surface of a display. The main goal of optical bonding is to improve the display performance under outdoor environments. This method eliminates the air gap between the cover glass and the display. [2]
Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (≈3 × 10 −6 K −1 at 20 °C), making them more resistant to thermal shock than any other common glass.
Atmospheric re-entry spacecraft use phenol formaldehyde resin as a key component in ablative heat shields (e.g. AVCOAT on the Apollo modules). As the heat shield skin temperature can reach 1000-2000 °C, the resin pyrolizes due to aerodynamic heating. This reaction absorbs significant thermal energy, insulating the deeper layers of the heat shield.
One commonly used film is a heat-shrink plastic which is attached to the window frame using double-sided pressure-sensitive tape. A hair dryer is used to remove creases and improve optical clarity. Reduced heat flow also helps prevent condensation [3] [4] [5] which is triggered when the temperature of the inside surface falls below the dew point.
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