2021 Amsterdam : APPLICATION OF PP-R COMPOSITE REINFORCED PIPES IN HOT AND COLD WATER SYSTEMS
Author(s) : Lei Wang, Guozhi Xu, Qiaoping Qiu, Weihua Lu, Yanwang Han
PP-R (random copolymerized polypropylene) has been widely used in hot and cold
water systems. However, the standard PP-R pipes have the disadvantages of a large
high-temperature thermal expansion coefficient, an insufficient notched impact strength,
and a low temperature and pressure resistance.
In this paper, a new...
2021 Amsterdam : THE DEVELOPMENT TREND OF CHINA’S PLASTIC PIPE INDUSTRY RESPONDING TO CHANGES IN THE ECONOMIC SITUATION
Author(s) : Zhanjie Wang, Yan Zhao, Melody Guo, Yanju Fan, Wei Tang
In the past ten years, China's plastic pipe industry has maintained a steady growth and
made great progress in the upgrading of industrial structure, technological innovation,
and improvement of quality levels. However, at the same time, in the face of the complex
changes in the current economic situation, especially...
2018 Las-Vegas : Polyehthylene/aluminum/polyehthylene composite pipe for fuel gas application
Author(s) : Baiqian Li, Jun Wang, Lixian Zheng, Xiaoyi Peng, Lei Wang, Yu Cui, Guozhi Xu
Polyethylene/Aluminum/Polyethylene (PAP) composite pipe has the advantages of corrosion resistance, limited joints and convenient installation. Nowadays PAP pipes are widely used in indoor gas conveyance. But a number of companies encounter difficulties in installing gas meter in users’ house as well as billing. Some...
2014 Chicago : Meeting the Need for Stiffer Large Diameter Plastics Pipes in China
Author(s) : Wang Liqun, Wu Gengtian, Qi Jun
In China demand is growing rapidly for large diameter plastic pipes due to urbanization and the need to protect the environment with improved storm-water management systems. Whilst plastic pipes are already used in China for underground sewage and drainage applications the properties and processing limitations of the...
2014 Chicago : The Influence of Additive Levels on PE-Xa Pipe Performance
Author(s) : Zhang SiLiang, Zhang ShuangQuan, Guo XiaoLing, Ren YunHong, Wang MingKe
This article describes the effect of additive, light and high temperature on PE-X pipe’s performance. By additive amount changes, will be have different influence to pipe’s brittleness resistance, bending strength, and aging resistance. As cross-linking agent’s content increasing, bending strength enhanced, but...
2012 Barcelona : Introducing PP-HM Materials for Twin Wall Corrugated Pipes in China
Author(s) : Xu Yijiong, Liu lIangbing, Dongyu Fang, Cindy Wang, Jarmo Juhani Harjuntausta, Youssef Taha
Key words : Corrugated pipe, PP-HM, PE, sewage, drainage
Whilst plastic pipes are already used in China for underground sewage and drainage
applications the properties and processing limitations of the materials used are such
that they are not able to fulfill all the requirements for large diameter or higher...
2012 Barcelona : The technical development of PVC-U pipe
Author(s) : Wang Zhanjie
With diversity and wide applications, the PVC-U pipe production is ranked first in
China among all the plastic pipes, although in recent years, its growth rate is the
slower than polyolefin pipes. This paper introduces and reviews the PVC-U pipe
application in China, describes recent technical development, such as raw...