日韩av高清视频在线观看欧美日韩成人在线视频|成年女人午夜特黄特色毛片免|国产女人毛片18女人毛片|大陆乱理伦片在线观看|强行糟蹋人妻系列电影|中文字幕熟女日韩人妻|熟妇女人妻丰满|白嫩少妇高潮喷水在线观看|乱情家族我的纯情岳母|荫道bbwbbb高潮潮喷,巨乳人人妻,91超碰在线人妻,少妇大保健高潮


Chinese

ENGLISH

Contact Us

河北興盛塑料管業(yè)有限公司

Website     :studiots.cn

Contact     :Manager Zhang

Phone       :13933323655

Mail          :[email protected]

Buy online:https://shop377465757.taobao.com/

Common problem Common-problem
PP pipe, pipe fitting bonding method

1. Wipe the socket side and the outside of the socket with dry cloth before bonding the pipe and fittings. Wipe the surface with acetone when there is grease.
 
2. The pipe section should be flat, vertical pipe axis and chamfered; Before bonding, the insertion line should be drawn and the test insertion should be carried out. The test insertion depth can only be inserted to 1/3 ~ 1/2 of the original depth. If the clearance is too large, the bonding method is strictly prohibited.
 
3. When applying adhesive, the inner side of the socket should be applied first, then the outer side of the socket. When applying adhesive, an appropriate amount should be evenly applied from axial direction to the outer side.
 
4. After the adhesive is applied, it is advisable to keep the external force applied unchanged within 1 minute, and keep the straightness and position of the interface correct.
 
5. After the completion of the bonding, wipe off the extruded excess adhesive in time, and do not force or force load during the curing time.
 
6. Adhesive joints shall not be constructed in rain or water, and shall not be operated under 5℃.
 
7. Connection procedure: preparation → cleaning face → trial insertion → brush adhesive → bonding → curing.

  • Official Website

  • Taobao Shop

  • Wechat Account