Discussing adhesives for wind blades, Sika's Daniel Vogt, market engineer for renewable energies, also noted that the technology used is "a little bit dependent on the blade design." Most of the market is covered by epoxy, but in the case of pre-preg technology, mostly urethane adhesives are chosen, Vogt said. Processability can also be an advantage with PU as it is easier to pump, he added.
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