In winter, when the temperature is low, the cooling speed of the PPR pipe parts after hot -melt, which will be accelerated due to the low temperature of the surrounding temperature. Conversely, when the temperature is high in summer, the cooling speed of the PPR pipe parts will be reduced after hot -melt. Therefore, some experienced aquatic master will properly extend the hot -melt time in winter.
In addition to the hot melt time, the following matters should be paid attention to:
First, PPR tube and pieces are inserted into the heating mold, and no rotation is allowed during the insertion process of tube and pieces. Pay special attention to avoid working in low temperature environments.
2. Pay attention to controlling the heat absorption of the pipe and pipes to prevent the occurrence of temperature differences.
3. Pay attention to controlling the heating time to absorb sufficient calories of the pipe and pipes to achieve the best melting point (260 ± 10 ° C).
Fourth, the insertion time is fast enough to avoid the temperature difference or the best melting point.
Fifth, during the processing process, you can correct the connected connector that you just connected, but it is forbidden to rotate.
Many water pipe decoration problems, such as the leakage of water leakage occurred in the near future or after 3 months or even 3 years, are mostly caused by hot -melting welding problems. Therefore, the welding temperature is critical to the welding quality of the pipeline.
