F 300 H Ultra NT is a boric acid free, white, very creamy and spreadable flux paste and can be used for soldering on copper and copper alloys, nickel and nickel alloys and alloyed and unalloyed steels. The flux residues are corrosive and must be removed from the components after soldering.
If you have any questions about the processing or usability of the product for your soldering work, please send us your questions by email or simply call us. We are happy to help. All information about our products and procedures is based on in-depth application experience. We convey these results in word and written to the best of our conscience, but this does not relieve the consumer from the obligation to independently examine our products and procedures, especially if the application and procedures have not been expressly approved by us in writing.