Revell Fix-Kit Power Putty Product Information The FIX-kit Power Putty from Revell is a 2-component adhesive in pre-portioned units. The components are mixed by simply kneading and the mass can then be pressed into cavities or unevenness or used for sealing. There is no need for annoying mixing and handling is extremely easy. The clay hardens completely within 1 hour and is suitable for steel, metal, plastic, concrete, ceramics and wood. Ideal for model making as well as all other uses in the area of hobbies and crafts.