Fluorine Plastic Powder Modification Granulating Production Line
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Fluorine Plastic Powder Modification Granulating Production Line

F46, PFA, PVDF, F40 powder granulation and stabilization; blending modification of various fluorine-containing and non-fluorine materials.

Product Description

Introduction

● The fusible fluoroplastic represented by FEP (F46) has the processing characteristics in the process of powder granulation and blending modification: it will produce a large number of unstable end groups, and these unstable end groups must be treated. At the same time, in order to remove the volatile matter of small molecules such as solvent and emulsifier, it is necessary to carry out high-temperature melting stabilization treatment of the powder. Under normal circumstances, the processing temperature will reach 380-390 ° C. At this high temperature, due to decomposition of unstable end groups, corrosive hydrofluoric acid (HF) generated is very corrosive to processing equipment, especially screws, barrels, exhaust chambers, and die heads.
● In the past ten years, Nanjing Chuangbo has accumulated a lot of practical experience in the application of fluoroplastic processing, and solved many key technical problems, such as: equipment selection and configuration, design and development of new feeding system, optimization of extruder parameters, special screw component development and design optimization of screw configuration, improvement of corrosion-resistant special barrel structure, improvement of special venting chamber structure, improvement of main barrel cooling form, optimization of new flow path design and structure of die head and template, innovative development of new hot pelletizing systems.

Application

F46, PFA, PVDF, F40 powder granulation and stabilization; blending modification of various fluorine-containing and non-fluorine materials.

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