Depending on their composition phenol resins harden at temperatures between 140° and 200° C. In any event the hardening process for phenol resins requires a temperature in excess of 100° C. Phenol resins are distinguished by high adhesive stability and good mechanical properties. Furthermore they show good heat-resistance up to around 250° C. Phenol resins are ideal in applications where the adhesive layer is subject to high temperature and where safety considerations are a priority. Typical applications are the glueing of brake- and clutch-linings in vehicle construction.
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