PEX Pipe:

PEX pipe is a type of flexible plastic tubing that is commonly used in residential and commercial plumbing applications. It is made of cross-linked polyethylene, which is a type of plastic that is known for its durability and flexibility. PEX pipe is also resistant to corrosion and can be used for hot and cold water applications.

One of the main advantages of PEX pipe is its flexibility, which makes it easy to work with and install. PEX pipe can be bent and shaped to fit around obstacles and through tight spaces, which can make it an ideal choice for retrofitting or upgrading existing plumbing systems. Additionally, PEX pipe is resistant to freezing, which can help prevent burst pipes in cold climates.

PEX-Al-PEX Pipe:

PEX-al-PEX pipe is a type of PEX pipe that is wrapped in layers of aluminum. The aluminum layer provides additional strength and durability, making it ideal for applications where high pressure or temperature is a concern. PEX-al-PEX pipe is also resistant to chemicals and can be used in areas where other types of piping may be prone to corrosion.

One of the main advantages of PEX-al-PEX pipe is its strength and durability. The aluminum layer provides additional support, making it less likely to kink or puncture. Additionally, PEX-al-PEX pipe can be used in applications where high pressure or temperature is a concern, such as radiant heating systems.

Compare between PEX pipe vs PEX-al-PEX pipe

Cost: PEX pipe is generally less expensive than PEX-al-PEX pipe. According to a Home Depot website, a 100-foot roll of 1/2-inch PEX pipe costs around $20, while a 100-foot roll of 1/2-inch PEX-al-PEX pipe costs around $60. You may contact Haili to get the latest price.
Strength: PEX-al-PEX pipe is generally stronger than standard PEX pipe due to the aluminum layer. A study conducted by the Plastics Pipe Institute found that PEX-al-PEX pipe was able to withstand higher pressures than standard PEX pipe.
Temperature and pressure ratings: PEX pipe is typically rated for a maximum temperature of 200 degrees Fahrenheit and a maximum pressure of 80-100 psi. PEX-al-PEX pipe, on the other hand, is typically rated for a maximum temperature of 200-210 degrees Fahrenheit and a maximum pressure of 150-200 psi.
Chemical resistance: Both PEX and PEX-al-PEX pipes are resistant to many types of chemicals, including chlorine, acids, and alkalis. However, PEX-al-PEX pipe is generally more resistant to chemical degradation than standard PEX pipe.
Installation: Both PEX and PEX-al-PEX pipes are relatively easy to install compared to other types of piping. However, PEX-al-PEX pipe may require specialized tools, such as a crimping tool, to install properly.
Durability: PEX pipe is known for its durability and is expected to last for 50 years or more under normal conditions. PEX-al-PEX pipe is even more durable and can last up to 100 years under normal conditions.

So, which one is right for you?

When deciding between PEX pipe and PEX-al-PEX pipe, there are a few factors to consider. If you're working on a project that requires a high level of durability or will be exposed to high pressure or temperature, PEX-al-PEX pipe may be the better choice. However, if you're looking for a more affordable and flexible option that is easy to work with, standard PEX pipe may be the way to go.

Ultimately, the decision between PEX pipe and PEX-al-PEX pipe will depend on your specific needs and budget. Both types of pipe have their advantages and can be a great choice for a variety of plumbing applications. Whatever you choose, be sure to work with a qualified plumber who can help you select the right type of pipe for your project and ensure that it is installed correctly.