According to experts, bromate is not normally found in water, but bromide is generally present. When water is sterilized with ozone, bromide reacts with ozone to generate bromate. The International Cancer Research Center believes that potassium bromate has a carcinogenic effect on experimental animals, but the carcinogenic effect of bromate on humans is not yet certain, and this is classified as a substance that may cause cancer in humans.
In 1993, the World Health Organization set the limit of bromate in water to 0.025 mg/L in the Guidelines for Drinking-water Quality, and it was revised to 0.01 mg/L in 2004. China's current "Sanitation Standards for Drinking Water" also stipulates that the limit of bromate is 0.01mg/L.
The General Administration of Quality Supervision, Inspection and Quarantine asserts that the limits of bromate in mineral waters are not regulated by the Codex Alimentarius Commission. Some other countries have provisions, some do not, and regulations are not consistent. For example, the European Union has set a limit of 0.003 mg/L. , the United States is set to 0.01mg/L. Since early China rarely used ozone to sterilize water, the National Standard for Drinking Natural Mineral Water did not establish bromate limit requirements. In recent years, mineral water companies generally adopt ozone sterilization process, resulting in the prominent phenomenon of bromate.
The General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ) also stated that the General Administration of Customs has carried out special spot checks on bromate in bottled water. 13 bromate content in 104 types of bottled water tested has exceeded 0.01 mg/L. All geological inspection departments informed these products The production company immediately rectified. At present, the General Administration of China is organizing nationwide special inspections to require all production companies to strengthen process control and ensure that the bromate content of mineral water meets drinking water standards.
Material:
Plain steel, stainless steel(304, 316, 316L), aluminum, copper, brass, bronze,
etc.
Features:
Heat resisting,Corrosion resisting, Acid resisting
Applications:
Mainly used for filtering and sieving, extensively used in
petroleum, chemical industry, enviroment protection, mine, airspace,
paper-making, electronic, metallurgy etc.
Weave Type:
1. Plain Weave: also called tabby weave, linen weav or taffeta weave, is
the most basic type of weaves. In plain weave, the warp and weft are aligned so
they form a simple criss-cross pattern. Each weft thread crosses the warp
threads by going over one, then under the next, and so on. The next weft thread
goes under the warp threads that its neighbor went over, and vice versa.
2. Twill Weave: In a twill weave, each weft or filling yarn floats across the warp yarns in a progression of interlaces to the right or left, forming a distinct diagonal line. This diagonal line is also known as a wale. A float is the portion of a yarn that crosses over two or more yarns from the opposite direction.
3. Plain Dutch Weave: similar with plain weave, just the weft and warp wire have different wire diameter and different mesh size.
4. Twill Dutch Weave: similar with twill weave, just the weft and warp wire have different wire diameter and different mesh size.
5. Reversed Dutch Weave: difference from standard Dutch weave lies in the thicker warp wires and less weft wires.
316 Stainless Steel Wire Mesh,316 Stainless Steel Mesh,316 Stainless Mesh,316L Stainless Steel Wire Mesh
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