HDPE Tube Fittings are widely used throughout the Food, Dairy, Beverage, Nutritional, Cosmetic, Pharmaceutical, and Bio-Tech industries' fluid handling systems. HDPE, or High Density Polyethylene, is widely used among medical products and devices as it has excellent resistance to chemicals. HDPE as a material is softer than that of Nylon, which is softer than Kynar®. Be sure to contact us for any special fitting needs.