These are among the most common types of tub sold. They consist of one-piece thin stamped steel shells coated with a heat-fused porcelain enamel. Porcelain enamel is a substantially vitreous or glassy inorganic coating bonded to metal by fusion at a temperature above 800 degrees F.This process forms a smooth attractive finish that is resistant to acid, corrosion, or abrasion, is flameproof, colorfast, and sanitary. It also tends to make these units reasonably priced and relatively lightweight. Advantages:Acid ResistanceNaturally resists household chemical stain that permanently mars most conventional finishes.Corrosion ResistancePorcelain enamel will not rust; it is an inorganic material rarely affected by salt, air, humidity or corrosive chemicalsAbrasion ResistanceBecause of its inherent hardness, porcelain enamel is extremely difficult to scratch, cut, or gouge under normal household use.Flame ProofPorcelain enamel will not ignite or burn, as will synthetic fixtures; it's immune to
BG1505A steel bathtub