How to find the right Industrial Plastic Tubing AI guide
Written by an AI model from its trained knowledge.
What the AI looks for in Industrial Plastic Tubing
- Polymer for the job
- Polyurethane suits flexible pneumatics. Nylon suits higher-pressure, stiffer air and fluid lines. PTFE, FEP or PFA suit aggressive chemicals and high temperature. PVC (vinyl) suits low-pressure clear transfer. Polyethylene suits low-cost water and chemical lines. Each polymer trades flexibility, pressure, temperature and chemical resistance differently.
- Push-to-connect fit
- Match OD exactly to the fitting, inch to inch and metric to metric. Use tubing hardness and OD tolerance the fitting maker approves. Soft or undersized tube blows out of push-in fittings.
- Pressure at temperature
- Use the burst or working rating at your operating temperature. Use reinforced or braided tube when unreinforced ratings fall short. Thermoplastic pressure ratings fall as the tubing warms.
- Contact compliance
- Use FDA-compliant material for food and beverage contact and NSF/ANSI 61 for drinking water. For lab or pharma, use the grade your process specifies. Plasticizers and additives in general-purpose vinyl can leach.
- UV and kink resistance
- Use UV-stabilized or black tube outdoors. Check the minimum bend radius for tight routing. Clear tubing degrades in sunlight, and kinks restrict flow.
Brands that matter
- Saint-Gobain (Tygon): Many lab, food and chemical formulations with clear grade naming.
- SMC: Pneumatic polyurethane and nylon tubing matched to its push-in fittings.
- Festo: Pneumatic tubing specified to fit its own connectors.
- Parker (Parflex): Thermoplastic fluid-power tubing.
- Freelin-Wade: Wide range of pneumatic and fluid plastic tubing.
What to avoid
- Plain clear vinyl for compressed air or pressurized lines unless it is rated for that pressure
- Hardware-store vinyl for drinking water or food without a stated listing
- Mixing 1/4 in and 6 mm tube and fittings
Questions
Polyurethane or nylon for air lines?
Polyurethane is more flexible and kink-resistant for moving or tight runs. Nylon handles higher pressure and holds its shape on fixed runs.