Rubi 4-1/2" Porcelain Dry Diamond Blade

Been installing about 10 years. I had used what I thought was the same item before. Went trhoug a few blades actually. I remember a decade ago using a blade FOREVER! WTH. A million blades to choose from but finding a great one is only acheived by waiting for enbough great reviews to pile up! This item is TRASH. There is a nearly identical item but for the word "Premium" under the word "Porcelain" on the image of the blade. The general item specifications are exactly the same. It says for porcelain, but I had to make a 36in cut on woodlook tile and with 3 brand new blades the both created molten drops of blade/porcelain that melted through my tarp. Absurd. I should have known you get what you pay for but you need to add a diamond density category to the general specs on these blades. I know its quantifiable...