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  • ●异氰酸酯与聚脲弹性体性能的关系 [08-17] The relationship between isocyanate and polyurea elastomer performance
  • ●如何在屋顶操作聚氨酯喷涂 [09-10] ● How to operate polyurethane spray on the roof
  • ●使用聚氨酯喷涂机白料时要细致什么 [05-10] ● What to be careful when using polyurethane sprayer white material
  • ●哪些因素会影响聚氨酯发泡质量 [05-07] ● What factors will affect the quality of polyurethane foam
  • ●聚氨酯保温材料行业未来发展前景可 [05-12] ● The future development prospects of polyurethane thermal insulation material industry are promising
  • ●现代建筑工地为什么要用【聚氨酯发 [03-21] ● Why use modern polyurethane construction site
  • ●购买防水涂料需要重点关注的性能指 [05-10] ● The performance indicators that need to focus on when buying waterproof coatings
  • ●详解聚氨酯发泡机操作规程 [05-07] ● Detailed operation rules of polyurethane foaming machine
  • ●「聚氨酯产品」地铁防水工程复合防 [07-24] ● "Polyurethane Products"
  • ●怎么解决聚氨酯发泡机空泡现象 [05-08] ● How to solve the cavitation phenomenon of polyurethane foaming machine
  • ●温度控制是解决聚氨酯发泡机的空泡 [05-08] ● Temperature control is to solve the cavitation of polyurethane foaming machine
  • ●聚氨酯发泡机混合器中物料的流场分 [05-18] ● Flow field analysis of materials in mixer of polyurethane foaming machine
  • ●必看! [05-10] ● Must see! The relationship between waterproof coating thickness and waterproof life
  • ●保温材料阻燃性能不合格成冷库安全 [05-05] Insufficient flame retardant performance of insulation materials to become safe in cold storage
  • ●喷涂硬泡聚氨酯外墙防水保温施工流 [05-16] ● Waterproof thermal insulation construction flow for spraying rigid foam polyurethane exterior
  • ●聚氨酯喷涂作业时“应该”和“不应 [10-29] ● "should" and "should not" when spraying polyurethane
  • ●影响聚氨酯喷涂施工出方率的几个因 [10-29] ● Several factors affecting the yield of polyurethane spraying construction
  • ●聚氨酯喷涂施工的常见问题及原因 [10-29] ● Common problems and reasons of polyurethane spraying construction
  • ●聚氨酯防腐应用以及储存 [10-21] ● Application and storage of polyurethane anticorrosion
  • ●聚氨酯防腐漆在出现剥落现象 [10-21] ● The polyurethane anticorrosive paint is peeling off
  • ●聚氨酯防腐的主要涂覆方法 [10-21] ● Main coating methods for polyurethane anticorrosion
  • ●聚氨酯防腐的涂装工艺 [10-21] ● Polyurethane anticorrosive coating process
  • ●如何提高聚氨酯防腐的性能 [10-21] ● How to improve the anticorrosive performance of polyurethane
  • ●聚氨酯防腐适用领域以及特点 [10-21] ● Application areas and characteristics of polyurethane anticorrosion
  • ●聚氨酯高压喷涂设备的主要优点 [10-19] ● Main advantages of high pressure polyurethane spray equipment
  • ●聚氨酯发泡机选购前的对比方法 [09-19] ● Comparison method before purchasing polyurethane foaming machine
  • ●聚氨酯发泡机特点和工作流程介绍 [09-19] ● Introduction of polyurethane foam machine characteristics and work flow
  • ●聚氨酯高压发泡机和低压发泡机的区 [08-08] ● The area of polyurethane high pressure foaming machine and low pressure foaming machine
  • ●「耐高温材料」聚氨酯硬泡的发展方 [07-25] ● Development method of "high temperature resistant material" polyurethane rigid foam
  • ●「ws15」喷涂型聚氨酯应用指南 [07-25] ● "ws15" Spraying Polyurethane Application Guide
  • Temperature control is a key to solving the cavitation of polyurethane foam machines
    来源:http://motokone.com发布时间: 2018-05-08 11:51 Author: Polyurethane foam machine Source: http: //motokone.com Published: 2018-05-08 11:51
    The temperature of the polyurethane foaming machine is too high, the reaction is fierce, and it is not easy to control.
    Foam liquid is easy to inject into large tanks with different characteristics, as well as foam solutions where chemical reactions have occurred. The viscosity increased rapidly and the injected foam did not react. Liquid injection foam can not push the injection of liquid to the front of the foaming process, and local cavitation occurs in the box
    Before and after foaming, black and white materials should be treated with constant temperature to control the foaming temperature at Celsius. The temperature of the preheating furnace foaming equipment should be controlled in degrees Celsius, and the temperature of the foaming mold should be controlled in degrees Celsius
    In between, the temperature of the foaming mold is too low, the foaming system has poor fluidity, long curing time, incomplete reaction and cavitation. When the temperature of the foaming mold is too high, the inner container of the plastic container is deformed by heat, and the foam system reacts violently. Therefore, the temperature of the foaming mold and the ambient temperature of the foaming furnace must be strictly controlled.
    Especially in winter, in the morning, the foaming mold, preheating furnace, furnace body, door body must be foamed and preheated for more than a minute. After a period of summer foaming, the foaming system of the polyurethane foaming machine should be cooled and cooled.