adjective

able to withstand wear, pressure, or damage; hard-wearing.

porcelain enamel is strong and durable

long-lasting,hard-wearing,heavy-duty,tough,resistant,strong,sturdy,stout,sound,substantial,imperishable,indestructible,made to last,well made,strongly made,lasting,long-lived,long-term,enduring,persisting,persistent,abiding,continuing,constant,stable,secure,fast,firm,fixed,deep-rooted,permanent,unfading,undying,everlasting

noun

short for consumer durables.