![]() ![]() The process is flexible in operation, can accurately control the flow of raw materials and the number of deposition layers, and can produce optical fiber preforms with fine refractive index profile, which is conducive to the control of optical fiber performance. Supplier Of Plastic Raw Materials Inquire Now. Submit Nov-20-19 Usha Enterprises (1.1) Supplier From India, India Rejected pet preform. Melt shrinkage is to melt and shrink the deposited hollow quartz glass tube into a solid optical fiber preform by introducing chlorine gas. 31645 Rejected Pet Preform Suppliers Short on time Let Rejected Pet Preform sellers contact you. ![]() In order to reduce the PET preform molding cycle time, SINOPK optimized the cooling system of the preform mold and in the same time, we designed one special vice cavities which can make the preform cooling in outside of the mould. ![]() Deposition is to heat the high-quality quartz reaction tube prepared in advance with hydrogen oxygen flame, use high-purity oxygen as carrier gas, put a certain proportion of high-purity SiCl4 and GeCl4 into the quartz reaction tube, and react to generate SiO2 and GeO2 molecular small particles, which are deposited on the inner wall of the quartz reaction tube according to the principle of thermophoresis. Preform molding researching for reducing the cycle time. MCVD process refers to the improved chemical vapor deposition method, which is composed of two process steps of deposition and melt shrinkage (rod forming). ![]()
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