HinderRUST R2.0 was awarded a critical role in stopping rust on an international pipeline project. The pipeline is bringing gas into Europe from new sources.
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The Need for Corrosion Control
The steel used for the onshore and offshore pipeline project needed rust protection while waiting for installation. The ability to selectively remove the rust protection product without any residual contamination was critical to the product selection, as the pipe termination ends needed to be prepped and welded during installation. Fluoramics’ HinderRUST R2.0 is removable by high-pressure washing and met all of the requested product specifications.
Testing
Before being chosen for corrosion control, HinderRUST R2.0 underwent extensive testing to ensure the product could be easily removed from the pipe termination heads and that the application of the product did not compromise the field joint coating application, welding and non-destructive testing processes.
HinderRUST R2.0 Applied to Slotted Pipe
Product testing was performed in Ploiesti (Romania).
The first step of the test consisted of applying by brush HinderRUST R2.0 on (6) 36” 34mm thick pieces of bare pipe and a slotted pipe where a coating of three layers of polyethylene (3LPE) was present. The application was done on the cutback areas on the internal surface, external surface and on the square cut bevels of the pup pieces. On the slotted joint, the application was done on the area not covered by 3LPE coating and on 25 mm of the 3LPE coating. After the application, the test items were moved outside and left in a storage area for over 100 hours.
The next step in the testing process was to remove the HinderRUST R2.0 with high pressure hot water (60°C at 110 bar) and to verify the complete removal. After washing, all the pup test pieces were transported to a dark room for a UV lamp check on the cleaned surface. The UV lamp test results showed no residual HinderRUST R2.0 on the washed areas.
The third stage was to apply a field joint coating to the prepared areas on the slotted pipe. Extensive tests were conducted after the field joint coating was applied to ensure that no anomalies were found that could be traced back to the application of HinderRUST R2.0. The pre-welding testing and processes included peel tests, beveling the pup pipes, checking lamination, and welding.
Using Pressure Washer to Remove HinderRUST
UV Light Showing no HinderRUST R2.0 residue after pressure wash
Conclusion
HinderRUST R2.0 proved to be an excellent rust-stopping product for the pipeline project. Not only did it provide needed corrosion protection, the welding, non-destructive and field joint coatings testing showed no anomalies linked to HinderRUST R2.0.
About HinderRUST
HinderRUST is a solvent-free rust stopper and lubricant. It is engineered with Tufoil Technology, a proprietary PTFE chemistry that is nonflammable and won’t evaporate. The Tufoil in HinderRUST acts as a lubricant and wetting agent that spreads HinderRUST across the treated surface, displacing water and enabling HinderRUST to bond to the surface and protect it from corrosion.
HinderRUST R2.0 provides temporary surface protection for metal parts that need protection after fabrication, or during storage and transportation. It is removable by washing to allow for final finishing.
HinderRUST R2.0 is perfect to use for storage, temporary surface protection, metal fabrication, transportation, machined parts, castings, and stampings. It is a penetrating rust stopper/breaker that is removable by washing.
