Overview
Lithium water glass, chemically known as lithium silicate, is an inorganic compound with the formula Li2SiO3. It is derived from the reaction of lithium carbonate with silica and is widely used in industrial applications due to its unique properties. Unlike sodium or potassium water glass, lithium water glass offers superior thermal stability and adhesive strength, making it a preferred choice in high-performance coatings and refractory materials. Lithium water glass is available in both solid and liquid forms, with the latter being more common in commercial applications. Its alkaline nature and solubility in water allow for easy handling and application in various industrial processes. The compound is particularly valued for its ability to form strong bonds with other materials, enhancing durability and resistance to environmental factors.
Physical and Chemical Properties
Lithium water glass is characterized by its high thermal stability, with a melting point of 1204°C, making it suitable for high-temperature applications. Its density is approximately 2.4 g/cm³, and it forms a clear, viscous solution when dissolved in water. The compound exhibits excellent adhesive properties and resistance to alkalis, which are critical for its use in coatings and binders. The solubility of lithium water glass in water is a key feature, as it allows for easy formulation into various industrial products. The resulting solution is alkaline, with a pH typically ranging from 11 to 12. This alkalinity contributes to its effectiveness as a binder and corrosion inhibitor. However, it also necessitates careful handling to avoid skin or eye irritation.
Main Applications
Lithium water glass is extensively used in the formulation of high-temperature coatings, where its thermal stability and adhesive properties are highly valued. It serves as a binder in refractory materials, such as those used in furnaces and kilns, ensuring durability under extreme conditions. The compound is also employed in the production of adhesives for ceramics and metals, thanks to its strong bonding capabilities. In addition to industrial applications, lithium water glass finds use in the construction industry as a sealant and corrosion inhibitor. Its ability to penetrate porous materials and form a protective layer makes it ideal for preserving concrete and masonry structures. The compound is also explored for potential uses in battery technology, leveraging its ionic conductivity.
Safety and Storage
Lithium water glass is generally safe when handled properly, but its alkaline nature requires precautions to avoid irritation or injury. Personal protective equipment (PPE), such as gloves and goggles, should be worn during handling to prevent skin and eye contact. Inhalation of dust or fumes should be avoided by working in well-ventilated areas or using respiratory protection. Storage conditions are critical to maintaining the quality of lithium water glass. It should be kept in a cool, dry place, away from moisture and acidic substances, which can degrade its properties. Containers should be tightly sealed to prevent exposure to air and humidity. In case of spills, neutralization with a weak acid, such as vinegar, followed by thorough rinsing with water, is recommended.
B2B Procurement Guide
When procuring lithium water glass, B2B buyers should prioritize suppliers with proven track records and certifications to ensure product quality and consistency. Key factors to consider include purity levels, which typically range from 95% to 99%, and packaging options, such as bags or drums, depending on the volume required. Price negotiations should account for bulk purchases, as larger quantities often come with discounts. Buyers should also verify the supplier's ability to meet delivery timelines and provide technical support if needed. Sampling before large-scale orders is advisable to assess compatibility with specific applications. Additionally, understanding the supplier's logistics capabilities can help avoid delays and ensure smooth procurement processes.
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