Bentonite is a naturally occurring clay composed primarily of montmorillonite, a mineral that has a unique ability to absorb water and expand in volume. This highly absorbent and versatile material is known for its excellent swelling properties, making it ideal for a wide range of industrial and commercial applications. One of its key features is its ability to form thick, gel-like suspensions when mixed with water, which is why it is commonly used in drilling fluids for oil and gas exploration. In these applications, bentonite helps to cool and lubricate drill bits, remove debris, and stabilize the borehole.
In addition to its use in drilling, bentonite is widely employed in the foundry industry, where it is used as a binding agent in molding sands for metal casting. Its ability to withstand high temperatures and provide excellent mold strength makes it an essential material in this field. Bentonite is also used in environmental applications, such as in sealing landfills and constructing ponds, due to its ability to form impermeable barriers that prevent water leakage.
Moreover, bentonite is utilized in agriculture, cosmetics, and pet care products due to its natural absorbent and detoxifying properties. It is non-toxic and environmentally friendly, making it a valuable material across many industries.
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A argila bentonita é um tipo de mineral de argila NATURAL com montmorilonita como componente principal, tem propriedade de boa coesão, expansibilidade, adsorção, plasticidade, dispersão, lubricidade, troca catiônica. Após a troca com outra base, base de lítio, tem propriedade de suspensão muito forte. Após acidificação, terá excelente capacidade de descoloração. Portanto, pode ser transformado em todos os tipos de agente de ligação, agente de suspensão, adsorvente, agente descolorante, plastificante, catalisador, agente de limpeza, desinfetante, agente espessante, detergente, agente de lavagem, enchimento, agente de fortalecimento, etc. Sua composição química é bastante estável, por isso é coroada como "pedra universal". E o grau de argila cosmética é usado apenas pelos caracteres de clareamento e espessamento da bentonita.
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