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Cause of delamination of FRP pipes
- Jan 06, 2018 -

① tape is too old;

② adhesive tape is too small or uneven;

③ Hot roll temperature is too low, resin melting is not good, adhesive tape can not be well glued to the tube core;

④ tape tension is small;

⑤ oily release agent dosage too much, stained core cloth.

Solution:

The rubber content of 

① adhesive tape and the content of soluble resin should meet the quality requirement.

② Hot roll temperature high, so that the tape through the hot rollers, adhesive tape has been weak hair sticky, can firmly stick the tube core;

③ Adjust the tension of the blanket;

④ do not use oily desorption agent or reduce its dosage.