When cross-linked and stabilized, nylon 12 becomes heat shrinkable. When combined with an integral adhesive-sealing system, heat-shrinkable nylon 12 crimp connectors seal and protect against water ...

Laser sintered nylon 3D prints are porous – with a surface like Trebor mints according to 3Dprint-UK, unless they get treated in some way. Sealing the material, which seems to be PA2200, to stop it ...