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Information Name: | In clean pipes, pvcu drainage pipes, drains Hebi pvcu |
Published: | 2014-11-07 |
Validity: | 0 |
Specifications: | Any |
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Detailed Product Description: | In clean pipes, pvcu drainage fittings, Hebi pvcu drain pipe cleaning provided by China. We are Zhejiang Jie Pipeline Ltd., Zhengzhou Office (www.pprgc.com) at: Zhengzhou specializes in: PP-R hot and cold water pipes, F-PPR performance glass fiber reinforced composite pipes, PP-R aluminum on PVC pipe fittings discoloration Sometimes we found PVC pipe fittings discoloration phenomenon, here we come to you analyze PVC pipe fittings discoloration problems: First, some sections in the processing will find the color is not uniform conditions, such as national color slight deviation is permitted. Then pvcu drainage specifications, some PVC pipe steward is obvious yellowing after heating deformed. Again, if heated in good condition, but there will be door profiles made not long dimmed phenomenon; profiles in normal production is not yellow, and in the subsequent window products into yellow. Further pvcu drain, the production process of the profile, when the raw materials and molds and other basic conditions did not change pvcu drain, if the plasticizing section and the homogenization temperature of the segment increased by about 5 ℃, the profile generated by the occurrence of yellowing tendency, which also shows insufficient thermal stabilization efficiency, should increase the amount of thermal stabilizer added. These are the introduction PVC pipe fittings for discoloration, but be aware that when you join a fluorescent brightener whitening additives in the formulation, if insufficient heat stabilizers, then the whitening effect is not obvious. Why PVC pipe will appear uneven surfaces and scratches PVC pipe fittings sometimes incur an uneven surface profiles and surface scratches, which is what causes it? Here we look at: First, profiles uneven surface due to a traction too fast, profiles in shaping mold can not adherent pvcu drainage pipe, then we should reduce the pulling speed; also may be a small vacuum forming mold vacuum, which To check whether there is leakage or clogging vacuum system; there are stereotypes die from head distance is too big reason, you need to adjust the distance between the head mold and shape; the position may also be too high to low calibrator need to adjust the vertical position sizing die; there is a reason good enough to cool the need to strengthen the cooling effect. One reason appears to scratch the surface of a foreign body within the die, you need to clean up the nose; another reason is shaping mold surface scale or vacuum chamber of a foreign body, need to be cleaned stereotypes die. These are the causes of surface profiles may appear uneven and scratches, but also hope you can get a powerful resolved in accordance with the above method. |
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Copyright © GuangDong ICP No. 10089450, Zhejiang Jie Pipeline Limited Zhengzhou Office All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
AllSources Network's Disclaimer: The legitimacy of the enterprise information does not undertake any guarantee responsibility
You are the 20893 visitor
Copyright © GuangDong ICP No. 10089450, Zhejiang Jie Pipeline Limited Zhengzhou Office All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
AllSources Network's Disclaimer: The legitimacy of the enterprise information does not undertake any guarantee responsibility