Post-processing FAQ

Spray Painting

• What are the processes of spray painting?+

  Sanding → fine sanding → cleaning → priming → drying → spraying painting → drying.

• What surface finish of spray painting is best for metal 3D prints?+

  Acrylic paint and Epoxy Enamels paint.

• How does temperature affect spray paint performance?+

  Temperature and surface conditions significantly impact paint performance, with high temperatures causing rapid solvent evaporation and film issues and low temperatures increasing paint viscosity and curing times, both requiring specific measures to ensure optimal painting results.

   

  Learn More >>

• What are types of spray paint finishes?+

  Many types of paint finishes create different effects on the surface, including matte, glossy, rubberized, leather, crackle, satin and semi-gloss.

   

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• What causes spray paint cracking?+

  Spray paint cracking is a common problem when the paint surface splits or breaks into pieces. Several factors can cause spray paint cracking, such as uneven thickness of the spray paint layer, extreme temperature, incompatibility between paint and substrate, improper spray paint treatment, etc.

   

  >> Learn more about the cause of paint cracks HERE

• What is the best spray paint for aluminum 3D prints?+

  Aluminum alloy paint.

  
  

  >> Learn More

• Why spray paint finish is not smooth?+

  When the product is not polished well or only undergoes simple post-processing, the painted surface will not be smooth.

• What is the lead time for spray painting at 3DSPRO?+

  Apart from the production time, the delivery time for spray-painted products with normal size and shape is increased by two to three days; the time for Special-shaped parts needs to be evaluated separately.