Stainless steel screw cylinder 1: Vacuum quenching hardness HRC50 ~ 56, corrosion resistance, suitable acrylic, PC transparent material, CP, CA, PC (30%) + ABS (70%), PC (50%) + ABS 50 %), PC (70%) + ABS (30%), ABS + fire retardant material, UPVC.PC, PMMA, 2: a light guide plate special screw feed tube PC for high viscosity non-crystalline plastic, poor mobility, prolonged heat readily biodegradable, feeding torque, difficult to fuse, easy tying, need high melt temperature, high pressure injection, the material temperature adjustment range is narrow, the process is inferior to 3 PMMA:. Imported 9Cr18Mov stainless steel materials, through the overall quenching, especially suitable for processing PC, PMMA, PET transparent products and corrosion U-PVC, ABS, PP fireproof plastic. Completely solve the chrome-plated screw end users often fall off chrome of trouble, but also completely assurance requirements, is ideal for a good helper if you like long fingers, how to meet the different needs of users? Jinxin never compared to just break their own people! We have been working hard! Every year, every day, we are making progress! We lead, others follow. Jinxin - to create a new era of Chinese runner. Production falters ------ Select Jinxin try? Give me a trust, but also you very responsibility! National free hotline: 4000-822-881 call us: Miss Wei 133 4296 3865 0755-27188830 NOTE: Because of the different needs of each product, so the product specifications also vary. If interested, call the company directly, the company will have professionals to serve you