Polymer has a good resistance to chemicals; can be both a thermal and electrical insulator; Very light in weight while being strong and durable
Chrome-Plated Steel
Economical and non-shedding material, ensuring cleanroom compatibility
Polypropylene
Polypropylene: Excellent chemical resistance to most acids, alkalies and many solvents, handles temperatures to 200°F (93.3°C), easily cut and shaped with common hand tools, excellent resistance to chemical stress cracking, abrasions and failure from flexing. Colors are white, natural, black and blue.