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Seal-Tite® International has developed a line of unique pressure activated sealants that are designed to seal even high pressure repair jobs such as wellhead and tubing hanger leaks; sustained casing pressure and microannulus leaks; salt dome storage cavern leaks; subsea connection and umbilical leaks; safety valve, production tubing and packer leaks; and flowline leaks in wells and hydraulic systems. The sealants are unique in that a pressure drop through the leak site causes the sealant fluids to polymerize into a flexible solid bond. Only at this point of differential pressure will the sealant polymerization process occur. As the reaction proceeds, the polymerized sealant plates out on the edges of the leak site and simultaneously links across to seal the leak. The resulting seal is a flexible bond across the leak site. The remainder of the sealant remains liquid.
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