Coefficient of friction and non-stick properties

NIPLATE® 500, NIPLATE® eXtreme and Niplate 600

The NIPLATE® 500, NIPLATE® eXtreme, and NIPLATE® 600 coatings have a coefficient of friction that is usually lower than the usual metal couplings used in mechanics and do not exhibit seizing phenomena even under high loads.

The coefficient of dynamic friction in dry conditions of these coatings usually ranges from 0.4 to 0.6 depending on the antagonist material.

NIPLATE® 600 SiC

The NIPLATE® 600 SiC coating has a slightly higher coefficient of friction than the NIPLATE® 600 coating. This is due to the mechanical interference action of the silicon carbide particles contained in the coating. The coefficient of dynamic friction in dry conditions usually ranges from 0.5 to 0.8 depending on the antagonist material.

NIPLATE® 500 PTFE

The NIPLATE® 500 PTFE coating is an electroless nickel plating matrix composite coating with PTFE particles (25–35% vol.), a polymer with high non-stick and self-lubricating properties.

This coating combines the hardness, wear resistance, uniformity of thickness, and base metal adhesion properties of electroless nickel plating with the non-stick and lubricating properties of PTFE.

The coefficient of friction of the NIPLATE® 500 PTFE coating is very low, equal to approximately 0.10 in the absence of lubrication. This property minimizes friction between surfaces, especially where lubricants cannot be used.

Additionally, the presence of PTFE within the layer gives the coating its non-stick property. Applications for this coating include its use as an anti-fouling agent on heat exchangers and parts subject to limestone buildup.

The following graph shows the results of the coefficient of dynamic friction measuring test against 100Cr6 steel using ball-on-disk.