Sapphire blue glass is made by adding a certain amount of cobalt oxide or cobalt salt to the original colorless glass raw material. The amount added determines the intensity of the color. Colored glass is a kind of energy-saving decorative glass that can not only absorb heat rays from sunlight, but also maintain good transparency. Colored glass usually has a certain color, so it is also called colored endothermic glass. Colored glass has blue, brown, gray, green, gold and other colors. Colored glass can effectively absorb the radiant heat of the sun and produce a cold room effect to achieve the effect of heat shielding and energy saving. It is the sunlight that passes through becomes soft, avoiding glare. It can effectively absorb the sun's ultraviolet rays and effectively prevent the fading and deterioration of indoor items. The color is bright and durable, which can increase the appearance of the building. Export to any part of the world. Dispatch the goods on time. In line with national quality standards. Various colors for you to choose. The specification and the thickness are negotiable. Welcome to consult and customize. Provide you with real-time quotes.