[China Glass Network] The first is the selection of glass:
There are basically three types of glass that can be used to make fish tanks. One is ordinary glass, which is mainly used for the production of filter tanks, peripheral auxiliary equipment or general small cylinders. The second is float glass, which is mainly used for the production of cylinders and bottom filters. Transmittance is better than ordinary glass, but the price is only half of that of ultra-white glass, so it is one of the more used by everyone; once again, it is ultra-white glass, and the light transmittance is over 91.2%, which is the current light transmission on the market. One of the better glasses greatly enhances the viewing effect after making the fish tank, and is a good material for making the master cylinder.
Many fishermen will ask: Which one should I choose?
Personally think that the float method of the cylinder is enough, and the lighting effect is reasonable, and the viewing is not bad. If you are making a grass tank or pursuing a better viewing effect, then it is not super white. Specifically, according to personal preferences and budget, the market price in Shanghai, the same size of glass, ultra-white is twice the float price. Secondly, when it comes to the choice of glass thickness, this involves the safety of the use of the cylinder. After all, no one wants to have a broken cylinder and a day of water. It should be noted that there is a sqrt formula involving glass thickness, and the more critical data in this formula comes from water depth and water pressure. According to the values ​​of glass (non-tempered glass) (including tensile strength, elastic modulus, etc.), a cylinder with a length of 100 mm, a height of 100, and a height of 100 is required. It requires 26 or more glasses, but the length is 200, 200, and 60, but only A glass of 12 is enough. Therefore, it is concluded that the thickness of the glass is independent of the length of the aquarium, but proportional to the height of the aquarium, that is to say: the higher the aquarium, the greater the thickness of the glass used.
After querying various types of data and glass data, the thickness of glass (non-tempered) used in DIY aquarium cylinders can be referred to the following: height below 40, side 5 bottom 8; 60, side 12 bottom 14, 80, side 18 Bottom 22. The above is a safe value, please ignore if you use inferior glass. The tensile strength of tempered glass is 8 to 10 times that of float and ultra-white. The thickness of glass can be reduced by two grades, but it is not recommended, because if there is a bump, it will directly cause the explosion and cannot be recovered.
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