Spray-up techniques in the manufacture of composite materials


The spray-up techniques are key to the uniform application of resins, perfecting the creation of high quality composite materials. The search for innovative and sustainable techniques to improve efficiency and accuracy in this process is essential for professionals committed to achieving successful outcomes.

What is a spray-up process?

The spray-up process is another one of the most widely used techniques in the manufacture of composite materials. This method involves applying resins and composite materials onto a mold through controlled spraying, which includes the simultaneous projection of resins and fibers onto the mold surface to form the desired part.

For this type of process, specialized equipment, such as spray guns, is used to evenly apply the resin and reinforcement layers on the mold. This process is time efficient and is especially useful for mass production of simple parts.

Spray-up in the manufacture of composite materials can use different types of resins, such as epoxy, vinylester or polyester, and different types of reinforcements, such as glass fiber and carbon fibers, always according to the desired properties of the final part.

✅ Advantages of the spray-up process

  • Efficiency: by automating the application, production is faster and more efficient.
  • Consistency: provides a more uniform result, reducing variations between pieces.
  • Mass Production: enables large-scale production, improving profitability.

Disadvantages of the spray-up process

  • Low versatility: it is more difficult to adapt it to parts with complex geometries.
  • Less control: precise control has limitations.
  • Increased investment: The purchase and configuration of specialized equipment may involve higher initial costs.

The choice between a manual process and a spray-up process is based on factors such as part complexity, production volume, need for customization and available resources.

Te puede interesar...


07.11.2025

We Present the Global Composites Training and Development Centre for Composite Materials

In an industrial market that demands precision, sustainability and constant innovation, training is not an add-on — it is the fundamental pillar that upholds quality and competitiveness. For this reason, and with the firm purpose of training specialists and leading the future of the sector, Global Composites is opening the Training and Development Centre for … <a href="https://www.globalcomposites.es/en/spray-up-techniques-in-the-manufacture-of-composite-materials/">Continued</a>

Ver más
01.09.2025

Driving University Talent Forward with MART Formula Student

At Global Composites, we firmly believe that innovation is born where knowledge and practice meet. That’s why we are renewing our commitment to tomorrow’s engineers through a new collaboration with MART Formula Student, the University of Málaga (UMA) team making a mark on the international Formula Student competition scene. With this partnership, we reinforce our … <a href="https://www.globalcomposites.es/en/spray-up-techniques-in-the-manufacture-of-composite-materials/">Continued</a>

Ver más
28.08.2025

We renew our commitment to the future alongside e-Tech Racing

Desde Global Composites, impulsamos el futuro del sector, apoyando una vez más a los talentos del mañana. Celebramos la renovación de nuestra colaboración con los equipos e-Tech Racing Barcelona de la Universidad Politècnica de Catalunya. En Global Composites creemos que el futuro se construye hoy. Nuestra identidad, nuestro ADN, no solo reside en ser líderes … <a href="https://www.globalcomposites.es/en/spray-up-techniques-in-the-manufacture-of-composite-materials/">Continued</a>

Ver más
Global Composites
Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.