Phenol-Formaldehyd-Harze
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Phenol-formaldehyde resins are synthetic resins obtained by the polycondensation of phenol and formaldehyde. In an acidic environment, resins known as novolacs are formed, while products condensed in an alkaline environment are called resoles.
The main applications of these types of resins include: production of fire-resistant, abrasive, and friction materials, foundry applications, manufacturing of thermal and wood-based insulating materials, as well as the production of fiberglass meshes and mats, and laminates.
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