Liquid sealants are products that start as a liquid but harden to form a protective seal when dry. They are used for various purposes in construction, such as repairing cracks and filling joints. Selecting the right sealant depends on joint design, physical and chemical properties, durability, and application. Nanopool has created a new form of liquid sealant based on quartz glass that can protect against stains, water, ultraviolet light, dirt, bacteria, and mold. Some household and personal care products are also marketed as liquid sealants, such as denture adhesives, nail polish, and tooth sealant.
Liquid sealant is an umbrella term for a series of generally unrelated products, except that they all share a specific trait. A liquid sealant is defined as any product that starts out as a liquid but hardens to a protective seal when dry. Acrylic, polyurethane, urethane, Teflon®, and silicone-based sealants are common types of liquid sealants used in construction. These sealants are used for a variety of purposes including repairing cracks, filling joints and seams, water sealing wood and concrete, as well as for joining pipes and fixtures. Nail polish, denture sealants, and a variety of other household bonding products can all carry the liquid sealant designation. In addition, a new type of multi-purpose, glass-based liquid sealant is also available.
Selecting the correct liquid sealant for a construction project—for example, choosing silicone over acrylic to seal bathtub joints—is based on joint design, physical and chemical properties, durability, and sealing properties. application. Joint design refers to how well the sealant meets the needs of the joint and whether the sealant maintains adhesion and cohesion under the expected movement parameters of the joint. Physical and chemical properties affect the hardness of a sealant and determine whether it is clear or colored to match a surface. The life of a liquid sealant refers to how well the sealant reacts to its environment: whether it’s waterproof, whether it prevents mold growth, and whether it can be used in ultraviolet light or extreme temperatures. Application or installation properties include whether the sealant is pourable or requires a caulk gun, how long the product needs to dry, and at what temperature range the application process can be done.
The German company Nanopool® has begun widespread commercialization of a new form of liquid sealant based on quartz glass. According to its creator, this liquid glass seal is usable on almost any type of surface, from clothing to medical scalpels. The sealant is said to create a microscopic protective seal – 500 times smaller than a human hair – of biodegradable glass that protects against stains, water, ultraviolet light, dirt, bacteria and mold. The sealant can also be applied to seeds and vines to protect against fungus and mold and to wood to protect against termites.
A number of home and personal care products are also marketed as liquid sealants. Some of the more common of these include denture adhesives, nail polish remover, and tooth sealant. Denture adhesives bond the denture to the gums in the mouth. Nail polish is used to color and protect fingernails and toenails from chipping. Tooth surface seals are implemented in the protection against caries.
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