Head of Griekspoor Thermal Coatings
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CrO3 Free
Our coatings are free of chromium 6
Reliability and durability
Improve hydraulic cylinders in extreme conditions
Exceptional specifications
Cylinder pistons can variate from 20 cm up to 23 meters, a diameter of 1 meter and a weight of 20 tonnes.
„To be part of a much bigger improvement which can make a huge different on the long term drives me every day." - John, Supervisor Quality
Griekspoor Thermal Coatings develops, tests and applies hard coatings to provide the underlying product with optimal protection against corrosion and/or wear.
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Minimum wear of seals and scrapers
Griekspoor Thermal Coatings develops, tests and applies hard coatings to provide the underlying product with optimal protection against corrosion and/or wear.
High impact resistant
Griekspoor Thermal Coatings develops, tests and applies hard coatings to provide the underlying product with optimal protection against corrosion and/or wear.
Reparable in case of emergency
Griekspoor Thermal Coatings develops, tests and applies hard coatings to provide the underlying product with optimal protection against corrosion and/or wear.
Both the bond coat as the top coat are a Griekspoor developed nickel based superalloy, designed to withstand the most severe (chemical) corrosion environments.
Because of the excellent wear resistant, this optimum roughness characteristic will not change during life time, which is also very important to avoid future slip/stick problems.
Some high-melting elements in the coating alloy provide a micro weld connection, which guarantees a high bonding strength.
Uptime is key. Because of good bonding, the coating can easily be repaired by welding.
Griekspoor Thermal Coatings has been working in partnership with Freudenberg for two years. The rod coatings, that were finished to varying roughnesses, show no wear or damage in worst case situations, having travelled over 5.000kms over all kinds of Freudenberg seals. Roughness values of the rod coating were unaffected over the entire duration of the test.
Learn more about the worst case situation testNo special sealing requirements necessary. With the possibility of tuning the roughness characteristics to an optimum for the specified seals, optimum lubrication of these seals is guaranteed As a result the coating does not limit the choice of the seal.
The search for replacement of products with hexavalent chrome, chromium(VI), is an important current issue in today’s market. Its specific compound of alloying elements assures that our coating’s material is free of chromium(VI).
Resistant to saltwater corrosion and wear resistant. The coating consists of a plasma-sprayed nickel-chrome adhesive layer with a minimum thickness of 100μm and an aluminium oxide/titanium oxide ceramic top layer.
Free of chromium 6
Most used for smaller rods, exposed to less demanding circumstances, salt water, high chemical resistance and high wear resistance. The coating is tribologically similar to the standard TOPCOAT®. The colour is dark grey/green.
Free of chromium 6
Most used for big and heavy piston rods. TOPCOAT® CCR+ consists of a TOPCOAT® 177 UHCR (nickel based superalloy) HVOF sprayed intermediate coating and a chromium carbide top coating, namely TOPCOAT® CCR.
Free of chromium 6
The highest resistance to corrosion and wear. TOPCOAT® 107+ an absolute top coating system consisting of a super alloy intermediate coating and a special blended carbide top coating. Both bond and top coatings are a Griekspoor, in house development, developed in cooperation with Dutch top corrosions experts.
Free of chromium 6
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