Q
does epoxy bond to epoxy
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Yes, epoxy can bond to cured epoxy; however, the success of this bond depends on the surface preparation and the type of epoxy used. For a strong adhesive bond, the cured epoxy surface should be sanded to create a rough profile for the new epoxy to mechanically key into. Additionally, cleaning the surface to remove any contaminants is crucial. Using an epoxy with a compatible formulation for the existing epoxy increases the chances of a good bond. Issues may arise if the new epoxy has significantly different mechanical properties or if the cure conditions vary greatly. In those cases, compatibility and the specific application should be carefully considered.
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