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Nylon 66 Rod:
Nylon 66 Rod is the grade that is most specified in the UK and is well suited to machining on both manual and automatic lathes. Nylon 66 Rod has an excellent size range option which starts at 4mm diameter up to a maximum size of 200mm. Because Nylon 66 Rod is manufactured by the extrusion process, there is some small element of production stress but this is probably entirely eliminated by manufacturers employing a rigorous annealing process. The majority of Nylon 66 Rod is specified as natural which is normally a light cream colour but the other popular option is black, this grade contains a black dye but can also very often contain an additive called Molybdenum disulphide which is described later.

Nylon 66 Rod - Black:
The black grade of Nylon 66 Rod usually contains an additive called Molybdenum disulphide, this is a graphite type material added to help the Nylon self lubricate and reduce friction to help improve component lifespan. This additive makes the black grade not suitable for use in any food contact applications

Nylon 66 Rod Advantages:
Nylon 66 Rod is slightly better at operating at higher temperatures than Nylon 6 although the advantage is slight. Nylon 66 Rod is also slightly harder than the other grade which may help with machining and may result in a better surface finish.

Nylon 66 Rod for Food Contact:
We are advised by the manufacturers that Nylon 66 is compatible with food contact applications although this is only extended to the Natural/White grade and the black would be classed as unacceptable due to the additive included to improve component wear resistance. There are other materials such as Acetal which overall may suit food applications better.

Nylon 66 Rod Data Sheet: