Aluminum hot plates and stirrers by Thermo Fisher Scientific are available in general purpose, explosion-proof, large-capacity and incubator/cold room safe models.
Chrome-Plated Steel
Economical and non-shedding material, ensuring cleanroom compatibility
PCS
Powder Coated Steel: More economical than stainless steel; offers excellent corrosion and chemical resistance.
Polypropylene
Opaque (white) polypropylene resists most acids and alkalies
Polymer
Polymer has a good resistance to chemicals; can be both a thermal and electrical insulator; Very light in weight while being strong and durable.