China Environmental Labelling Standard Interpretation Of Building And Sanitary Ceramics
State Environmental Protection Administration organized by the Centre for Environment and Development research institutes, manufacturers, trade associations, standardized management and quality control agencies and other units of the expert preparation of the China Environmental Label Product "ceramic tiles" and "sanitary ware" standard, the existing 19 building and sanitary ceramics enterprises to participate in the standards of verification experiments, the first batch of 18 enterprises by China Environmental Labeling Product Certification.
China Environmental Labeling Product ceramic tiles and sanitary ware requires a common indicator of radioactive products in the leaching of lead and cadmium in the production process and the resulting utilization of industrial waste recycled. Also for the friction coefficient of ceramic floor tiles are the requirements for sanitary ceramics are on the toilet water requirements.
Radioactive request Radioactive ceramics is a matter of concern, due to improper material selection there radium, thorium, potassium and other natural radioactive substances, the situation may be excessive, ceramic radiation is a potential long-standing problem, in June 2000, " Radiological protection standards for building materials, "After the implementation, the ceramic as a construction material into the scope of its management.
Ceramics radiation on one of the ways consumers ceramic raw materials from natural , , external exposure, the second is from radon and its daughters within the radiation on the human body, other than life or man-made damage After the loss of enamel fabric dust inhaled by the human body can also cause body irradiation. Radon is a natural radioactive nuclide ceramic products, radium? 232 decay products enter the human body through natural excretion is difficult to come out and harm the human body more radon is the second largest incentive for lung cancer. China Environmental Label Product "ceramic tiles" and "sanitary ware" standards require that not more than 0.9 within the exposure index, external exposure index not greater than 1.2. This limits stricter than the mandatory requirements "Limit of radionuclides in building materials" (GB6566-2001) standard limits.
Amount of lead and cadmium by stripping the requirements of
Ceramic production process may be the use of leaded glazes and pigments containing cadmium and, taking into account waste ceramics of lead and cadmium contamination of soil and plants can cause harm to the human body, it is essential to lead and control the leaching of cadmium.
When people drinking lead contaminated water, eating lead-contaminated food containing high concentrations of lead time, the transport through the blood to the liver, spleen and kidney were accumulated lead, eventually entered the bone marrow and central nervous? ?? the brain, causing lead poisoning. The human body through the digestive tract and respiratory uptake by cadmium contaminated water, food, air will cause cadmium poisoning.
Addition of lead and cadmium can also cause damage to plants. The hazards of lead on the performance of the chlorophyll of plants decreased, impeding respiration and photosynthesis of plants; cereal crops, a greater absorption of lead, the majority concentrated in the roots, stem, followed, fewer seeds, so the production of lead-contaminated soil by the Wo not suitable for feed grain stalk. Cadmium is highly toxic to plants. It destroys chlorophyll, thus reducing photosynthesis, but also to pollen sterility, thus affecting plant growth, development and reproduction.
Building materials testing center, according to state test results, see: a total of 15 groups to do the leaching of lead and cadmium, the maximum leaching of lead were 128mg/kg, Cd Released from 9.41mg/kg; take into account advanced environmental label, the standard will lead and cadmium as an indicator of lead leaching was less than 20mg/kg, dissolved cadmium lower than 5mg/kg.
Recyclable utilization requirements China's relatively low production level
serious waste of resources, largely hinder our economic development. Use of recycled waste for reproduction, not only can save a lot of resources, but also can reduce waste pollution. Therefore, standard ceramic tiles and sanitary ceramics in the production process of recycling industrial waste produced by proposed target, the indicators mainly based on the current ceramic production enterprise in China's controls on industrial waste determined; present, China's technologically advanced ceramics production enterprises are not familiar with waste recycling is basically blank, but sold to other industries as raw material; on ceramic materials, inorganic sludge part of the large output of ceramic production enterprise for the recovery of the use, generally used as other ceramics raw materials? such as water seepage Bricks, or sold to other companies as raw material, basically does not pollute the environment as waste treatment, usually ceramic in the production process of recycling industrial waste produced by about 50-60% utilization.
China Environmental Labeling Product ceramic tiles and sanitary ware requires a common indicator of radioactive products in the leaching of lead and cadmium in the production process and the resulting utilization of industrial waste recycled. Also for the friction coefficient of ceramic floor tiles are the requirements for sanitary ceramics are on the toilet water requirements.
Radioactive request Radioactive ceramics is a matter of concern, due to improper material selection there radium, thorium, potassium and other natural radioactive substances, the situation may be excessive, ceramic radiation is a potential long-standing problem, in June 2000, " Radiological protection standards for building materials, "After the implementation, the ceramic as a construction material into the scope of its management.
Ceramics radiation on one of the ways consumers ceramic raw materials from natural , , external exposure, the second is from radon and its daughters within the radiation on the human body, other than life or man-made damage After the loss of enamel fabric dust inhaled by the human body can also cause body irradiation. Radon is a natural radioactive nuclide ceramic products, radium? 232 decay products enter the human body through natural excretion is difficult to come out and harm the human body more radon is the second largest incentive for lung cancer. China Environmental Label Product "ceramic tiles" and "sanitary ware" standards require that not more than 0.9 within the exposure index, external exposure index not greater than 1.2. This limits stricter than the mandatory requirements "Limit of radionuclides in building materials" (GB6566-2001) standard limits.
Amount of lead and cadmium by stripping the requirements of
Ceramic production process may be the use of leaded glazes and pigments containing cadmium and, taking into account waste ceramics of lead and cadmium contamination of soil and plants can cause harm to the human body, it is essential to lead and control the leaching of cadmium.
When people drinking lead contaminated water, eating lead-contaminated food containing high concentrations of lead time, the transport through the blood to the liver, spleen and kidney were accumulated lead, eventually entered the bone marrow and central nervous? ?? the brain, causing lead poisoning. The human body through the digestive tract and respiratory uptake by cadmium contaminated water, food, air will cause cadmium poisoning.
Addition of lead and cadmium can also cause damage to plants. The hazards of lead on the performance of the chlorophyll of plants decreased, impeding respiration and photosynthesis of plants; cereal crops, a greater absorption of lead, the majority concentrated in the roots, stem, followed, fewer seeds, so the production of lead-contaminated soil by the Wo not suitable for feed grain stalk. Cadmium is highly toxic to plants. It destroys chlorophyll, thus reducing photosynthesis, but also to pollen sterility, thus affecting plant growth, development and reproduction.
Building materials testing center, according to state test results, see: a total of 15 groups to do the leaching of lead and cadmium, the maximum leaching of lead were 128mg/kg, Cd Released from 9.41mg/kg; take into account advanced environmental label, the standard will lead and cadmium as an indicator of lead leaching was less than 20mg/kg, dissolved cadmium lower than 5mg/kg.
Recyclable utilization requirements China's relatively low production level
serious waste of resources, largely hinder our economic development. Use of recycled waste for reproduction, not only can save a lot of resources, but also can reduce waste pollution. Therefore, standard ceramic tiles and sanitary ceramics in the production process of recycling industrial waste produced by proposed target, the indicators mainly based on the current ceramic production enterprise in China's controls on industrial waste determined; present, China's technologically advanced ceramics production enterprises are not familiar with waste recycling is basically blank, but sold to other industries as raw material; on ceramic materials, inorganic sludge part of the large output of ceramic production enterprise for the recovery of the use, generally used as other ceramics raw materials? such as water seepage Bricks, or sold to other companies as raw material, basically does not pollute the environment as waste treatment, usually ceramic in the production process of recycling industrial waste produced by about 50-60% utilization.