Polyethylene is the most commonly used tubing due to its flexibility, wide range of chemical resistance and lower cost. Nycoil uses high quality Linear Low Density Polyethylene material (LLDPE) that conforms to Food and Drug Administration 21 CFR 177.1520 C where contact with food is an issue (applies to all colors). LLDPE has a much higher resistance to stress cracking as compared to other Polyethylene compounds. It is also chemically inert, meaning it forms a good barrier against moisture, vapors and gases - minimizing the possibility of leaks or contamination. Where prolonged exposure to sunlight or ultraviolet (UV) light is a concern, black tubing is recommended for extended life.
