Case Study: Delco Remy Chooses Zytel® HTN Solenoid Spool for Reliable Starts
Delco Remy selected Zytel® HTN high performance polyamide resin over nylon 46 for the solenoid spool for starter solenoids used in cars and light-duty trucks.
Application Description
Delco Remy starter solenoids used in cars and light-duty trucks must perform in harsh environments, including high temperatures, chemical attack and high vibration.
Materials Selected and Why
A heat–stabilized, 45% glass–reinforced DuPont™ Zytel® HTN high performance polyamide formulation, meets requirements for:
- Low moisture absorption
- Strength and stiffness over a wide temperature range
- Resistance to attack by automotive fluids
Benefits Gained
- Reliable starting – After evaluating performance under a wide variety of conditions ranging from desert to arctic environments, and exposure to road splash and high vibration, Delco Remy America selected Zytel® HTN as the best material for reliable solenoid spools.
- High–temperature performance – In Delco Remy's high–temperature tests, spools of Zytel® HTN retained dimensional stability and strength for good performance under overload conditions.
- Durability – Spools made of Zytel® HTN stand up to stresses during automated winding and service, and they resist attack by automotive fluids such as antifreeze and hydrocarbons.
- Economy – Of all materials considered for the spool, Zytel® HTN was the most economical that met Delco Remy America's requirements.
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