Hard enamel is a hard, glassy substance or opaque composition used in coating the surface of metals hard enamel is a hard, glassy substance or opaque composition used in coating thesurface of metals and that grounded to powder and applied by. supplierlogojets international ltd. [manufacturer] china (mainland) credibilityuff1a Americana anself bbq classic parts bbqmdm blackstone products bayou classic bestmassage blackstone blaze blaze grills blue rhino bradley smoker brinkmann broil king broilmaster bull outdoor products calphalon ... gas grills charcoal grills electric grills ... product title expert grill 3 burner 30,000 btu gas grill with side ... average rating ... The longer burnt grease sits on your enamel gas stove burners, the more difficult the grease will be to remove. every time you use the burners, the grease burns on the enamel again -- and additional grease can build up on top. the good news is, stove-top enamel is tough, so you're not limited to using gentle cleaners. Alibaba offers 1,110 porcelain enamel frits products. about 89% of these are other inorganic chemicals, 2% are ceramics, and 1% are other non-metallic minerals & products. a wide variety of porcelain enamel frits options are available to you, such as industrial grade, food grade.