Category Crown and Bridge Type Type III Nobility Noble Chemistry 40% Gold, 5% Palladium, 45% Silver Color Yellow
	Technical Information

SL-40 is a medium gold, high-silver crown and bridge alloy with an excellent yellow color. SL-40 is ideal for just about any type of restoration, from single units to long-span bridges. It's known for its outstanding resistance to tarnishing, its low vickers hardness, and its burnishability, all which help make SL-40 a pleasure to finish and polish.