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Q hdpe pipe colors
HugoKennedy
MaricoDouglas Release Time: May 28, 2024, 3:15 PM
High-Density Polyethylene (HDPE) pipes come in various colors, each specifying its application. Black is the most common, primarily used for potable water, sewage, and industrial applications, due to its UV resistance. Blue-colored HDPE pipes are designated for potable water. Red or pink pipes often indicate fire protection lines. Green pipes are used for sewer services, and yellow or orange pipes signify gas lines. Purple or lilac pipes are for reclaimed water. The color-coding facilitates easy identification and ensures safety and compliance with standards and regulations in the construction and utilities sectors. Manufacturers may use stripes or full coloring to denote the intended use, adhering to industry color-coding guidelines.
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Q boiling point of high density polyethylene
HugoKennedy
BessHoward Release Time: May 8, 2024, 12:32 PM
High Density Polyethylene (HDPE) does not have a specific boiling point because it does not boil in a conventional sense. Instead, it undergoes thermal decomposition at temperatures above 350-400°C (662-752°F). At these temperatures, HDPE starts to break down into smaller hydrocarbon molecules rather than transitioning from a liquid to a gas phase as in boiling. This behavior is typical of thermoplastic polymers, which tend to degrade rather than boil. Understanding this characteristic is crucial in processes like recycling or molding of HDPE, to avoid degrading its properties.
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