A 3 YELLOW compound for the polishing of marbles, travertines, limestone, agglomerates and type of material containing calcium. A3 YELLOW is easy to used and offers the material a very high polishing.

A3是意大利快霸廠最新的一種雲石晶面拋光研磨粉，特別針對新磨光及重新拋光後之石材，一般能用於提高石材光澤之用，最適合用於最後拋光及重新磨光後使用。