The kinds of PVC-U sound-proof tubing for building drainage were introduced.
介绍了建筑排水用PVC-U隔音管材的几种类别；
The results showed that modifier 998 was one kind of useful modifier for PVC-U materials.
结果显示，改性添加剂998是一种较实用的PV C - U材料改性添加剂。
A series of antistatic PVC-U composites used carbon black or graphite as conductive fillers, were prepared.
将炭黑或石墨作为导电填料，制备了一系列PV C - U抗静电复合材料。
PVC-U plastic pipe has the character of corrosion resistance, no-scale, light weight and long service life.
塑料管具有耐腐蚀、不结垢、质量轻、使用寿命长等特点。
Finished PVC-U products with the addition of wet ground sericite entirely conform to the relevant quality standards.
填加湿磨绢云母粉的硬聚氯乙烯制品质量完全符合相关的质量标准。
The weather resistance effects of composite light stabilizer JC-568 in PVC-U section materials were studied through experiments.
通过试验，研究了复合光稳定剂JC- 568在PV C - U型材中的耐候稳定作用。
The results showed that PVC-U pipe can fully meet the requirements of wastewater treatment and reduce the construction costs greatly.
结果表明：PVC-U管材完全满足污水处理的要求，并可降低工程造价。
This paper will formulation design and production process control two aspects to explore how qualified production of PVC-U-green water pipe.
本文将从配方设计与生产工艺控制两方面来探讨如何生产合格的PV C - U环保型给水管材。
Preparation mechanism of Adhesive for PVC-U piping is described and discussion is made of various factors influencing its adhesion strength.
叙述了PVC-U管材胶粘剂的配制原理，讨论了影响其粘结强度的诸多因素。
Through comparing the properties, the market situation and development prospects of PVC-U tubing for building drainage were analyzed in detail.
通过性能的比较，具体分析了建筑排水用PVC - U隔音管材的市场及发展前景。
Thermoplastics valves - Pressure test methods and requirements - Part 2: test conditions and basic requirements for PE, PP, PVC-U and PVDF valves.
热塑性塑料阀门。压力试验方法和要求。第2部分：聚乙烯、聚丙烯、未增塑聚氯乙烯和聚偏氯乙烯阀门试验条件和。
In this article, USES of new additives in PVC-U pipe and USES of new special pipe material in polyolefin pipe and some new pipe materials were discussed.
本文从不同的管道材质的角度主要阐述了新型助剂在PV C - U管道中的应用、新型管道专用料在聚烯烃管道中的应用及一些新型塑料管道的材料。
The cause of color-changing of unplasticized polyvinyl chloride(PVC-U) profile in the process of window-making and storage and its prevention are presented.
介绍硬质聚氯乙烯（PVC U）异型材在储存、成窗的过程中产生变色的原因及其预防措施；
The formulation design, technical process and technical control of the procedures in the production of fishery float by use of PVC-U pipe wastes are introduced.
介绍以PV C - U管材洗机料生产渔用浮标的配方设计、工艺流程及各工序的工艺控制。
In the testing of the flexile modulus of PVC-U profiles, the load-deflection trace varied with the shapes of the samples, an inflection appeared when using irregular samples.
在对PV C - U型材弹性模量试验中发现，同一样品的规则样条与不规则样条的弯曲弹性模量相差较大。
Analysis was made of several factors leading to occurrence of decomposition in production of PVC-U double-wall corrugated pipe and some manufacture experience was introduced.
分析了影响PV C - U双壁波纹管生产中出现焦料问题的几种因素，并介绍了一些生产经验。
The new developing trend of PVC and assistant for PVC-U profile for door and window is introduced, meanwhile, the choosing of raw materials and formulation design are discussed.
介绍了挤出PVC-U门窗异型材用树脂及助剂的最新开发动态，并对原料选用、配方设计进行了探讨。
The main performances of the soft PVC product and the PVC-U pipes for chemical industry meet the standard requirements with the tailing powder of 60% and 20% as filler respectively.
以尾矿粉60%和20%的填充量分别制得了软质PV C板材和化工用PVC - U管材，制品的主要性能指标均达到标准要求。
This thesis points out the structure principal and project ideas of the production quality control system of PVC-U double-wall corrugated pipe, which is based on computer technology.
并提出了基于计算机技术的PV C - U双壁波纹管生产质量控制系统的构建原理和设计思路。
Under hot and wet condition, the mildew corrosion results in the color-changing of PVC-U profile, and oil stains and UV rays can accelerate mildew reaction which will aggravate color-changing.
指出PV C U异型材变色是在高温、潮湿的条件下因霉菌侵蚀所致，油污和紫外线会促进霉变使PV C U异型材变色更加严重。
Besides, high strength polyester fibers and ultra high molecular weight silicone are used as modifiers for PVC-U compounding systems for the first time, and their modification effects are involved.
同时还首次使用高强度聚酯纤维和超高相对分子质量聚硅氧烷树脂作为PV C - U体系的改性剂，并探讨了各自的改性效果。
Plastics piping systems for buried and above-ground drainage and sewerage under pressure - Unplasticized poly (vinyl chloride) (PVC-U) - Part 1: specifications for piping components and the system.
地下和地上排水和排污用塑料压力管道系统。未增塑聚氯乙烯(PVC - U)。第1部分：管道件和系统规范。
Aiming at each process characteristics of the production, it has adopted different controlling models and formed a set of the production quality control system of PVC-U double-wall corrugated pipe.
针对PV C - U双壁波纹管生产线的各个工序特点，采用不同的控制模式，形成了一套PV C - U双壁波纹管生产质量控制系统。
The plasticizing rate of PVC-U profiles is tested by using DSC, and to optimize the technological of PVC-U profiles is based on the relationship between the plasticizing rate and physical properties.
采用差示扫描量热(dsc)法测定PV C - U异型材塑化度，以其塑化度与型材物理力学性能的关系来优化PV C - U异型材的加工工艺。
The operating principle, design philosophy, determination of the main design parameters, structure characteristics and the key parts of the extrusion mould for PVC-U pipes were analyzed theoretically.
对PV C - U管材挤出成型模具工作原理、设计原则、主要设计参数的确定、结构特点及关键部件进行了理论分析，并结合生产中取得的经验数据加以改进。
U type protection: made of PVC, is closely linked to the special keel to increase the contact surface with the smallpox soft film and extended product protection, the use of time.
型保护条：采用PVC制成，紧扣在专用龙骨上以增加与天花软膜的接触面，保护并延长产品使用时间。
This paper mainly discusses the damaged PVC pipe maintenance methods-U the related content.
本文主要探讨受损PV C - U管道的维修方法中的有关内容。
The development trend of PVC - U pipes was analyzed on the basis of the whole plastic pipe industry.
从塑料管道整个行业上分析了PVC-U管道的发展趋势。
The development trend of PVC - U pipes was analyzed on the basis of the whole plastic pipe industry.
从塑料管道整个行业上分析了PVC-U管道的发展趋势。
应用推荐