Heavy material used to stabilise a ship or a hot air balloon

Let's find possible answers to "Heavy material used to stabilise a ship or a hot air balloon" crossword clue. First of all, we will look for a few extra hints for this entry: Heavy material used to stabilise a ship or a hot air balloon. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.