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Stopaq® 4100 Putty is a malleable synthetic compound for protection of underground objects against external corrosion. It is used for filling of voids and levelling of irregular surfaces, prior to application of Stopaq® coating materials.

Stopaq® 4100 Putty is a non-toxic corrosion preventative material, suited for application on tank manhole covers and irregular shaped pipeline fittings like flanges and valves. It is compatible with adjacent factory coatings like PE, PP, FBE, etc. It is fully resistant to water and has a very low permeability. It is designed for use on buried structures with low to medium service- and ambient temperatures. The compound does not cure and will not build-up internal stresses. Objects coated with Stopaq® 4100 Putty must be protected against mechanical forces like impacts and indentations by covering it with a protective layer of Stopaq® Geotextile and Stopaq® Outerwrap.