While in the sintering process, the polymer particles are only thoroughly melted to the outer surface, so there are still a lot of microchannels in the material that form a network of by holes [22]. As thetemperature, the surface area in the hooked up particles melts more and firmly a https://automotiveventsmanufactur04691.sharebyblog.com/32956036/what-does-automotive-vents-made-in-china-mean