General disadvantages

1. These materials can only be cured at relatively high temperatures (typically, 130-300°C). Therefore, the process is normally carried out at works. With the use of special reactors, it can be accomplished on-site but the operation is difficult. In all cases, the application is critical, and variations in temperature and cure time will result in different film-forming properties. The application should always be left to specialists.

2. The resins need careful storage (possibly under refrigeration) before application.

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