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Some soapmakers prefer "melt and pour" because the process is simple and safe, allowing the soapmaker to concentrate more on the aesthetic aspects of soap making. Because it avoids the need to handle lye , a hazardous and very caustic chemical, it is a hobby even children can enjoy under adult supervision.
Talcum powder The structure of talc is composed of Si 2 O 5 sheets with magnesium sandwiched between sheets in octahedral sites. Talc is used in many industries, including paper making, plastic, paint and coatings (e.g. for metal
Exposure above safe limits can lead to symptoms including coughing, shortness of breath, cyanosis, crackles, and pulmonary heart disease. Due to the potential presence of tremolite and crystalline silica in the dust, precautions should be taken to avoid occupational diseases such as asbestosis , silicosis , mesothelioma , and lung cancer .
Sheet mica is considerably less abundant than flake and scrap mica, and is occasionally recovered from mining scrap and flake mica. The most important sources of sheet mica are pegmatite deposits. Sheet mica prices vary with grade and can range from less than $1 per kilogram for low-quality mica to more than $2,000 per kilogram for the highest ...
Sodium tripolyphosphate was an excellent builder used in laundry detergent powders. [21] However, due to issues of biodegradability many countries have banned the use of phosphates in detergents. Manufacturers are using substitutes such as EDTA and other biodegradable chemicals instead.
"Hot process" soap making also uses lye as the main ingredient. Lye is added to water, cooled for a few minutes and then added to oils and butters. The mixture is then cooked over a period of time (1–2 hours), typically in a slow cooker , and then placed into a mold.
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