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1. Pultrusion technology
While in all cases pultrusion remains a continuous composite material transformation process capable of generating profiles of constant cross-section, there are several "technological filiations" within this large family.
The pultrusion of thermosetting resins and thermoplastics first of all, but also 2 or 3 derivative technologies: pullwinding, pullforming and pullpress.
1.1 Pultrusion of thermosetting resins
This is by far the most widespread family of composites today (over 99% of the market). Figure 1 shows the main stages in the transformation of the basic constituents of composites, which, in just a few meters, go from the...
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Pultrusion technology
Characteristics of pultruded composites
Bibliography
Events
JEC (European Composites Days) in Paris or JEC Asia (in Singapore)
Composites Week (Nantes)
https://www.world-composites-week.com/
K Kunstoff (Dusseldorf)
...
Standards and norms
- Fiber-reinforced plastics – Test plate manufacturing methods – Part 6: pultrusion molding T57-153-6. - NF ISO 1268-6 - Février 2003
- Textile glass-reinforced plastics – Prepregs, molding compounds and laminates – Determination of textile glass and mineral filler content. Calcination methods T57-102. - NF EN ISO 1172 - Avril 1999
- Standard Specification for Fiberglass (GRP) Pultruded Open-Weather Storm and...
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Raw materials suppliers
Glass :
OCV Reinforcements
http://www.ocvreinforcements.com
PPG Industries Inc.
...Statistical and economic data
Industrial organization
The vast majority of companies have 2 or 3 pultrusion lines, while the European market leaders have between 15 and 20.
Their organizations all operate in continuous production (3 x 8 shifts) to avoid laborious tool assembly operations, which can take from 3.4 hours for very simple, small profiles... to almost a week for complex, large-scale tooling......
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