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Flex Seal
Flex Seal Products is a company specializing in adhesive bonding products, encompassing the Flex Seal, Flex Shot, Flex Tape and Flex Glue products in the US. The company is owned by Phil and Alan Swift. Phil also serves as the brand's television spokesperson.

Consumer Reports accredited the company in 2012.

Products
Flex Seal Products makes a line of adhesive bonding products that are based around the concept of liquid rubber. This product has a number of household and industrial applications across the five forms it comes in. The rubberized coating creates a tough, impermeable membrane preventing leaks and resisting degradation from ultraviolet light, thermal cycling, chemicals, and salt.


 * Flex Seal is a durable liquid rubber product useful for creating watertight seals. This product comes provided in a spray can for easy surface application.
 * Flex Seal Liquid is stored in paint cans for use with paint brushes, rollers, and direct pouring. This allows for broader application than with the spray can.
 * Flex Shot was released as an alternative to a caulk gun. Being compatible with standard caulk guns, Flex Shot can be applied in wet environments with straight, even lines and little hassle.
 * Flex Tape was released as a waterproof tape. This is a rubberized alternative to duct tape, a fabric based product, which allows for better waterproofing.
 * Flex Glue was released as a fix-all adhesive and comes in a tube. It can be squeezed by hand and applied to a variety of surfaces. This is in contrast to Flex Glue Pro which comes in a cylinder for use in a caulk gun.

Properties
The product is highly water resistant due to its unique rubber properties and can cure in both dry and wet conditions. Flex Seal is typically applied by directly spraying it onto the surface in a desired number of coats. More coats increase the curing time but allows for the extra product to create a better seal and last longer.


 * Thick, viscous liquid which, given about 24 hours time, cures into a flexible rubber coating.
 * Impermeable to water due to the twisting molecular chains preventing larger water molecules from passing through.
 * Able to prevent corrosion and rust due to chemical additives such as chlorosulfonated polyethylene or neoprene.
 * Chemical additives help the rubber to resist aminolysis and hydrolysis and, in doing such, allow for strong adhesion to a many different surfaces.
 * The rubber is able to absorb uv radiation which helps resist fading a cracking apparent in other certain types of rubber.
 * Being a stable and nonreactive material, the rubber is foodsafe.
 * High absorption dampens vibrations and sound. The rubber is able to convert incoming frequencies into heat energy while quickly returning back to its original shape.
 * Expands & contracts naturally with changing surfaces. This rubber has a high resilience which describes the material's ability to revert to its original shape after deformation.
 * The curing process requires 2-3 hours of drying time and a full 24 hours to cure.