About materials -

Still new to design and 3D Printing.

I need a material that will stand up to hot water and detergents. Dishwasher environment. Very little physical stress.

This may be beyond printable (plastic) parts.

So far of the materials I have on hand, PETG looks like a viable candidate, in that it will not dissolve or meltdown under those conditions, or, AFAIK, leach harmful substances. However it has a "Heat Deflection Temperature" of 158 F or 70 C, which indicates it begins to soften a bit at that point.

Also, the material I have is labeled "PETG glass" from MakerBot. Their site does not call out anything by that label, only listing PETG. Is there a difference?

What material might be better for such an application?

 

Thanks. Don't think I knew of those two. The suggestion about coating is also something I had not considered. And that way I do not have to be concerned about base coloring <g>.

 

The suggestion about coating is also something I had not considered. And that way I do not have to be concerned about base coloring <g>.

However, seems Bluprint is no longer available at first search. I suppose the "super" Nylons, are not suited due to water absorption? Alloy 910 looks interesting as well.

 

The Heat Deflection Temperature (HDT) of standard PETG is 70°C, which is close to the upper limit of dishwasher high-temperature cycles (60-70°C). While short-term use may be safe, prolonged and repeated exposure to heat could cause slight deformation, especially in thin-walled components. It is recommended to first print a small PETG test piece and run it through multiple dishwasher cycles to observe any warping. If it holds up, switching materials may not be necessary.