MyMat: 3DP Functional Filaments

MyMat Ultra Nylon-How it works

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MyMat Ultra Nylon Printing Guide:

·        Recommended printing speed is 30mm/s.

·        For Little parts, is preferable the program of lower printing speed, for example 20 mm/s and 10mm/s for details.

·        Printing temperatures:

o   From 250 until 280ºC. Recommended at 270ºC.

o   Hot bed at room temperature.

·        Continuous room temperatures are recommended to have a good quality print.

o   For low room temperatures (less than 18-20ºC) flow parameter should be increased between 105-110%.

o   For room temperatures between 23-25ºC a 100 flow parameter should be ok.

·        Part design:

o   For high surface parts apply 50% fill density or less.

o   Thicknesses are not recommended to increase 4mm and not for big surfaces. 

·        Surface adhesion has been tested in mirror or glass surfaces with common lacquer, getting good results. Any other surface with improved rugosity has a perfect behavior too: paper, sandpaper, 3M blue tape… A BRIM or RAFT around the printed part basis is recommended in order to improve part adhesion. This BRIM or RAFT should be as strong as possible, and it should be equal in all the peripheral area of the part.

·        Any layer height has a good behavior:

o   For nozzles of 0.4mm, improved mechanical properties are got with layer heights from 0,15mm.

o   For nozzles of 0.8mm, improved mechanical properties are got with layer heights from 0,3mm.

o   For high layer heights take in account that:

§  Printable angle with no support is reduced. Material’s weight is increased, so the support is necessary.

§  In the said previous case use lower printing speed.



·        Material dry is recommended before using, 80ºC for two hours would be enough. Once is dried, re-dry it after 2-3 days because humidity absorption is a nylon’s natural behavior. You wil achieve Improved surface quality.

·        Support materials like HIPS do not have good compatibility with the material.

·        Material formulation could have some abrasive additives, so brass nozzle wear will be accelerated. Stainless steel or hardened copper alloys are recommended.

·        In order to get parts with even improved mechanical properties of the material, there’s a possibility to introduce the part into an oven at 80ºC for 1 hour. IMPORTANT: Depending on part’s geometry, this operation could generate some geometrical alterations in the part. 

·         Filament could have a fragile behavior if any complicated material feeding system that could bend the material is used. Just feed it from the spool and it will work.