Polypropylene (PP) | 194°F (90°C) | Acids, alkalis, solvents (general-purpose) | Water treatment, food & beverage, chemicals |
Nylon | 250°F (121°C) | Oils, fuels, weak acids/alkalis | Hydraulic fluids, lubricants, paints |
Polyester (PE) | 275°F (135°C) | Good resistance to most solvents | Pharmaceuticals, coatings, high-temp liquids |
PTFE | 500°F (260°C) | Highly resistant to aggressive chemicals | Corrosive fluids, high-purity processes |