What is the difference between light steel keel and aluminum alloy keel?
Aluminum alloy keel belongs to standard profile! Material is "aluminum", and light steel keel for the mechanical plate rolling or folding processing, the material for the "iron"!
Aluminum alloy keel cost is high Guichang keel prices are relatively cheap in almost all with light steel keel
Light steel keel is generally used in the veneer, that is, keel seal gypsum board in the paint, aluminum alloy in the frame of the more, paint keel, aluminum, mineral wool board.
