well there‘s zbt, zht and zxt.i know zbt is zildjian bronze technology, but i have no clue as to what the others may be
Planet Z - The least expensive line of cymbals made by Zildjian made for beginners and practicing. These cymbals are made of copper and zinc and only comes in a brilliant finish. ZBT (Crisp, Clean, and Defined) - Zildjian's low-end line of sheet bronze cymbals. The ZBT alloy contains 92% Copper and 8% Tin and comes in a brilliant finish. ZXT (Clear, Musical, and Powerful) - Zildjian's mid-level line sheet bronze cymbals. Like the ZBT alloy, the ZXT alloy contains 92% Copper and 8% Tin and comes in a brilliant finish. ZHT (Bold, Bright, and Melodic) - Zildjian's high-end line of sheet bronze cymbals. The ZHT alloy contains 88% Copper and 12% Tin and comes in a traditional finish.
Planet Z - The least expensive line of cymbals made by Zildjian made for beginners and practicing. These cymbals are made of copper and zinc and only comes in a brilliant finish. ZBT (Crisp, Clean, and Defined) - Zildjian's low-end line of sheet bronze cymbals. The ZBT alloy contains 92% Copper and 8% Tin and comes in a brilliant finish. ZXT (Clear, Musical, and Powerful) - Zildjian's mid-level line sheet bronze cymbals. Like the ZBT alloy, the ZXT alloy contains 92% Copper and 8% Tin and comes in a brilliant finish. ZHT (Bold, Bright, and Melodic) - Zildjian's high-end line of sheet bronze cymbals. The ZHT alloy contains 88% Copper and 12% Tin and comes in a traditional finish.