RS Roller Chain with a special surface treatment and top coat
They have the strength of RS Roller Chain and offer superb saltwater, weather, and chemical resistance.
With no harmful chromium. RoHS compliant
Features
.Superb chemical resistance
Combines Tsubaki's uniquely developed special coating and special resin coating for superb corrosion (rust) and chemical resistance.
・High corrosion resistance
Neptune Chain didn't rust after 700 hours in salt spray tests (JIS-Z-2371).
・Less environmental load
Uses no hexavalent chromium in its corrosion resistant surface coating and contains no harmful lead, cadmium, mercury, or arsenic.
NEP Series chain is an eco-friendly chain that is RoHS compliant.
・Same strength as RS Roller Chain
Has the same tensile strength and allowable load as standard steel RS Roller Chain, with no reduction in strength