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石棉瓦的危害
石棉瓦的危害
Hazards of asbestos tiles
石棉瓦是一种天然的矿物 , 根据其生成不同可分为纤维蛇纹石石栋和角闪石石棉两大类.我们最常见到的是纤维蛇纹石石棉 , 因而这一种石棉用处最大。 这种石棉也称为温石棉。 温石棉是含有结晶水的镁硅酸盐 。 由于温石棉具有 良好 的耐火、 耐碱、 坑拉强度高 , 容重小以 及很好的吸 附能力等优点 , 因而石棉能与水泥很好地结合在一起。 我们常见的一些简易屋顶就是用波形石棉水泥瓦搭建的, 此外工厂为 了 防火方面的考虑不少车间里 也用石 棉瓦。
Asbestos tile is a kind of natural mineral, which can be divided into fiber serpentine stone and amphibole asbestos according to its formation. This asbestos is also known as chrysotile asbestos. Chrysotile is a magnesium silicate containing crystal water. Chrysotile has many advantages, such as good fire resistance, alkali resistance, high pit tensile strength, small bulk density and good adsorption capacity, so asbestos can be well combined with cement. Some of our common simple roofs are constructed of corrugated asbestos cement tiles, in addition to factories for fire prevention considerations in many workshops also use asbestos tiles.
石棉瓦中温石棉约占15 一 20 % ,普通硅 酸盐水泥占8 0 一85 % , 它们能牢固的结合,因而不含有石棉粉尘飞扬 和对人体的危害。而石 棉对人的危害主要是指石 棉采矿、 运输、生产过程中产生的石棉粉尘飞 扬而造成的。 如汽车刹车片, 山于 摩擦而产生的粉尘对环境会造成一定的影响,当然也会危害人的健康。
In asbestos tile chrysotile accounts for about 15-20%, ordinary portland cement 80-85%, they can be firmly combined, so there is no asbestos dust flying and harm to the human body. Asbestos harm to people mainly refers to asbestos mining, transportation, production process of asbestos dust caused by flying. For example, automobile brake pads, the dust produced by friction in the mountains will have a certain impact on the environment, of course, it will also endanger human health.
这是一种国际上公认的淘汰建筑材料。其危害来自于它的纤维，这是一种非常细小，肉眼几乎看不见的纤维，当这些细小的纤维释放以后可长时间浮游于空气中，被吸入人体内，被吸入的石棉纤维可多年积聚在人身体内，附着并沉积在肺部，造成肺部疾病。
This is an internationally recognized building material eliminated. The harm comes from its fibers, which are very small and almost invisible to the naked eye. When these fibers are released, they can float in the air for a long time and are absorbed into the body. The absorbed asbestos fibers can accumulate in the body for many years, attach to and deposit in the lungs, causing lung diseases.
暴露于石棉纤维可引致下列疾病：
Exposure to asbestos fibers can cause the following diseases:
1.肺癌
1. lung cancer
2.间皮癌－胸膜或腹膜癌
2. mesothelioma pleura or peritoneal cancer
3.石棉沉着病－因肺内组织纤维化而令肺部结疤（石棉肺）
3. asbestosis - scarring of lung due to fibrosis in the lungs (asbestosis)
4.与石棉有关的疾病症状，往往会有很长的潜伏期，可能在暴露于石棉大约10至40年才出现(肺癌一般15—20年、间皮瘤20—40年)。石棉已被肯定为致癌物。
4. Symptoms of asbestos-related diseases often have a long incubation period and may occur only after exposure to asbestos for about 10 to 40 years (lung cancer generally 15-20 years, mesothelioma 20-40 years). Asbestos has been identified as carcinogen.
Hazards of asbestos tiles
石棉瓦是一种天然的矿物 , 根据其生成不同可分为纤维蛇纹石石栋和角闪石石棉两大类.我们最常见到的是纤维蛇纹石石棉 , 因而这一种石棉用处最大。 这种石棉也称为温石棉。 温石棉是含有结晶水的镁硅酸盐 。 由于温石棉具有 良好 的耐火、 耐碱、 坑拉强度高 , 容重小以 及很好的吸 附能力等优点 , 因而石棉能与水泥很好地结合在一起。 我们常见的一些简易屋顶就是用波形石棉水泥瓦搭建的, 此外工厂为 了 防火方面的考虑不少车间里 也用石 棉瓦。
Asbestos tile is a kind of natural mineral, which can be divided into fiber serpentine stone and amphibole asbestos according to its formation. This asbestos is also known as chrysotile asbestos. Chrysotile is a magnesium silicate containing crystal water. Chrysotile has many advantages, such as good fire resistance, alkali resistance, high pit tensile strength, small bulk density and good adsorption capacity, so asbestos can be well combined with cement. Some of our common simple roofs are constructed of corrugated asbestos cement tiles, in addition to factories for fire prevention considerations in many workshops also use asbestos tiles.
石棉瓦中温石棉约占15 一 20 % ,普通硅 酸盐水泥占8 0 一85 % , 它们能牢固的结合,因而不含有石棉粉尘飞扬 和对人体的危害。而石 棉对人的危害主要是指石 棉采矿、 运输、生产过程中产生的石棉粉尘飞 扬而造成的。 如汽车刹车片, 山于 摩擦而产生的粉尘对环境会造成一定的影响,当然也会危害人的健康。
In asbestos tile chrysotile accounts for about 15-20%, ordinary portland cement 80-85%, they can be firmly combined, so there is no asbestos dust flying and harm to the human body. Asbestos harm to people mainly refers to asbestos mining, transportation, production process of asbestos dust caused by flying. For example, automobile brake pads, the dust produced by friction in the mountains will have a certain impact on the environment, of course, it will also endanger human health.
这是一种国际上公认的淘汰建筑材料。其危害来自于它的纤维，这是一种非常细小，肉眼几乎看不见的纤维，当这些细小的纤维释放以后可长时间浮游于空气中，被吸入人体内，被吸入的石棉纤维可多年积聚在人身体内，附着并沉积在肺部，造成肺部疾病。
This is an internationally recognized building material eliminated. The harm comes from its fibers, which are very small and almost invisible to the naked eye. When these fibers are released, they can float in the air for a long time and are absorbed into the body. The absorbed asbestos fibers can accumulate in the body for many years, attach to and deposit in the lungs, causing lung diseases.
暴露于石棉纤维可引致下列疾病：
Exposure to asbestos fibers can cause the following diseases:
1.肺癌
1. lung cancer
2.间皮癌－胸膜或腹膜癌
2. mesothelioma pleura or peritoneal cancer
3.石棉沉着病－因肺内组织纤维化而令肺部结疤（石棉肺）
3. asbestosis - scarring of lung due to fibrosis in the lungs (asbestosis)
4.与石棉有关的疾病症状，往往会有很长的潜伏期，可能在暴露于石棉大约10至40年才出现(肺癌一般15—20年、间皮瘤20—40年)。石棉已被肯定为致癌物。
4. Symptoms of asbestos-related diseases often have a long incubation period and may occur only after exposure to asbestos for about 10 to 40 years (lung cancer generally 15-20 years, mesothelioma 20-40 years). Asbestos has been identified as carcinogen.
