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Viscowrap HT
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Viscowrap HT is a unique viscous-elastic amorphous a-polar polyolefin for the protection against corrosion of underground and above ground substrates in the pipeline industry, petrochemical industry, utility and water industry. Viscowrap HT has been developed in cooperation with leading companies in the oil and gas industry and polymer engineering companies to meet the demand for new viscous elastic coating products with unique and better properties for the protection of shaped and non shaped substrates. The result is a product that offers the pipeline industry an unrivaled technology when it comes to corrosion prevention.
The philosophy behind the development of Viscowrap HT is that, unlike other coatings, Viscowrap HT always has a permanent and intimate contact with the surface of the substrate. The viscous modulus and the elasticity modulus of the material are designed in such a way that the viscosity modulus provides permanent wetting characteristics, forcing the material to flow into the
pores and anomalies of the substrates, whereas the elasticity modulus provides the strength and elasticity of a solid.
Moreover, Viscowrap HT eliminates typical problems that occur during pipeline rehabilitation in the field and the problems of different phenomena that occur in practice.
Due to the very low permeability of water, its a-polar behavior and extremely good adhesion on a molecular level, Viscowrap HT inhibits water molecules from traveling to the surface of the substrate.
In conjunction with its low viscous characteristics, no pressure can build behind the coating that could cause blisters and de-lamination.
Viscowrap HT bonds on the principle of Van Der Waals bonding, creating an intimate contact with the substrate. Viscowrap HT has a low surface tension and keeps “wetting” the surface. Due to the viscous-elastic state and its formulation, VISCOTAQ® will keep this bond permanently for decades to come. Viscowrap HT bonds aggressively to almost any surface and is forgiving when it comes to surface preparation. The minimum surface preparation for use is ST-2/SSPC3, although a blasted surface SA2½/SSPC10 is strongly recommended.
Viscowrap HT is based upon low molecular weight amorphous a-polar polyolefins with no reactive groups, free radicals or solvents. Therefore, the material is 100% inert and stable, safe and non-hazardous. With the elimination of water and no sulphide or nitrogen available in the polymer chains, all essential and necessary components for MIC are eliminated. Due to its inert characteristics and impermeability for water, SealComp exhibits outstanding performance in areas with aggressive soils, high & low pH’s and high sulphur & chloride contents.
To guarantee ultimate corrosion prevention, Viscowrap HT remains in a pliable state during its lifetime. Therefore Viscowrap HT has been extensively tested in conjunction with different protective outer layers to simulate shear stress. Unlike other products, Viscowrap HT has shown excellent resilience against shear stress due to the combination of the appropriate outer layer as well as the viscous-elastic solid state of the material.
Viscowrap HT is manufactured under ISO 9001 standards in the SealComp Canada from raw materials to end product. During this process, many quality control checks are in place to guarantee the highest quality. In addition to in-house quality control, Viscowrap HT has been tested thoroughly by independent accredited laboratories.
