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Hydraulic components

Chengdu is plastic pipe fitting tubal material selectives examination the part is eligible

Published on:2014/8/12 13:06:23

Keyword:Hydraulic pressure, polypropylene, polyethylene, plastic pipe
Introduction:6 days, the Chengdu City is versed in management board of commercial firm politics publishs result of sampling observation of quality of plastic first...

6 days, the Chengdu City is versed in management board of commercial firm politics publishs result of sampling observation of quality of plastic first half of the year 2014 pipe fitting tubal material, exposure 5 unqualified commodity, nominal brand involves Yue meaning card, your blessing, fly amount to.
  
The message says, the Chengdu City is versed in management board of commercial firm politics entrusted academy of Chengdu product quality inspection first half of the year 2014 finite liability company, to esteeming state city, the pipe fitting of plastic pipe material that the professional market inside the area such as Jiang Yan city sells (include cold hot water to use polypropylene (PP-R) tubal material, water supply uses polyethylene (PE) tubal material) had quality sampling observation. Basically use polypropylene to cold hot water (PP-R) the average external diameter that provides material, wall is experiment of concussion of thick, Jian Zhiliang, static hydraulic pressure experiments (20 ℃ , 1h) , quiet hydraulic pressure experiments (95 ℃ , 22h) and water supply uses polyethylene (PE) provide material rupture percentage elongation, fore-and-aft time shrink rate, oxidation is lead time, static hydraulic pressure intensity (20 ℃ , 100h) waited for main index to undertake examining.
  


Sampling observation result shows, this the water supply of sampling observation uses polyethylene (PE) tubal material is all and eligible. Cold hot water uses polypropylene (PP-R) tubal material is unqualified project advocate if: Average external diameter, wall is experiment of concussion of thick, Jian Zhiliang, static hydraulic pressure experiments (20 ℃ , 1h) , quiet hydraulic pressure experiments (95 ℃ , 22h) .
  
Door of The Ministry of Commerce and Industry makes known his position, already instructed operator to leave unqualified commodity cabinet, violate behavior to undertake investigating lawfully to its. In the meantime, requirement operator undertakes rectifying and reform, check via rectifying and reform eligible and rear can appear on the market sale.


Keyword:Hydraulic pressure, polypropylene, polyethylene, plastic pipe

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