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|Roller made of Polyoxymethylene (POM) Plastic||Roller has high stiffness, low friction, and excellent dimensional stability, so, wheel retains dimensional correctness for a long time.||Longer service life.|
|Successfully tested for 72 hours of Salt Spray test.||Fairly good resistance to corrosion.||Longer service life.|
|Successfully tested for 25,000 cycles of operation under full load conditions.||Very durable and robust in construction.||Longer service life.|
|Chrome passivation coating thickness of 8μm.||Good resistance to corrosion.||Long Service life.|
|Swing Double Roller||Swing mechanism enables the Roller wheels to negotiate undulations on the track better.||Enables a smoother and rattle free movement of the sash.|