Throughout the 17th century, Delft was the leader in faience ware and had its own distinctive style, but it never managed to produce the tough, thin, fully waterproof hard-paste porcelain.
整個十七世紀，德爾福特在費恩斯軟瓷中領先群倫、獨具特色，卻仍然沒有燒造出質堅胎薄、完全防水的硬瓷來。