Complex sentence: Soda-lime glass is relatively inexpensive, chemically stable, reasonably hard, and extremely workable, because it is capable of being re-softened and re-melted numerous times, is ideal for recycling.
Split into simpler sentences: Soda-lime glass is relatively inexpensive, chemically stable, reasonably hard, and extremely workable. Because it is capable of being re-softened and re-melted numerous times, it is ideal for recycling.