Chrome Oxide Green is produced by raw material---chromic ACID/chromium trioxide . It is dark or light green powders.
Usage:
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Cold water protection for outdoor water meters: Thoroughly clean the water meter well so that there is no water leakage or water accumulation. The well well-deserved facilities can be filled with plastic snakeskin bags, dry straw bags, bitumen glass wool felts or homemade cotton pads; cover tight water well cover If the board or cover is damaged or missing, it must be purchased and replaced by the water company in time. If there is no residence in the family for a long time, the valve behind the water meter should be closed and the water in the pipe should be drained.
Cold protection of outdoor water pipes: For water supply pipes and water meter facilities that are exposed outdoors, you can use insulation materials (such as straw rope, glass cloth, old towels, etc.) to wrap and close the water meter box door; if the weather is particularly cold, you can let the faucet “line flow". Do not bake the frozen faucets, water meters, and water pipes. Use hot towels to wrap water pipes and faucets and warm the water. If the water meter is frozen, you must use hot towels to wrap the water meter and use no more than 30°C. Warm water tries to thaw.
Liu Jiansong stressed that if the water meter is froze, be sure to go to the city water company to purchase the water meter according to the normal procedures for replacement, and it is strictly forbidden to replace the water meter or water meter glass without permission, otherwise it will be severely punished according to the “Administrative Measures for Henan Urban Water Supplyâ€. In addition, it is strictly prohibited to close the header of the wrapped water meter, affecting the normal meter reading.
(Original title: Winter is coming, there is a coup in preventing freezing on the water meter)
2) Ink, Offset ink, solvent ink;
3) Masterbatch,plastic, rubber;
4) Paper, waterbase and oil base liquid colorant;
5) Ceramic;
6) Asphalt, Bitumen;
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10) Artistical stamp concrete products, Tiles, Mosaic Tiles .
China National Instrument Network Science and Technology Co., Ltd. Sees that it is necessary to start the winter season. Every winter season, the water meters of many residents' homes are frozen, causing people to worry and worry. On November 3, the reporter learned from the water company of Shangqiu City, Henan Province, that if there were no antifreeze measures for the water meter pipes in the winter, the water meter was frozen and the pipes were very likely to be frozen. Every year, many users are unable to function normally. With water, it is hoped that the majority of users will take it seriously and take actions in advance to ensure that there is no worry about water use in the home during the winter. Liu Jiansong, head of the Municipal Water Group Propaganda Department, recommended to the public the coup to prevent outdoor flooding and water pipes.