POM Rod:Smooth surface 1.Color:White,beige 2.Size:4.0-100mm Diameter 3.SGS certificate 4.High quality with competitive price I. [POM Delrin Rod] (POM Rod) Introduction: POM it is a high density, high crystallinity engineering thermoplastics. Have good physical, mechanical and chemical properties, especially those with excellent abrasion performance. It is exactly because of these excellent ...