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LDPE Welding Rods


Welding Notes: The most important rule about welding polyethylene is that you can weld low to high but not high to low. Meaning, you can weld low density polyethylene (LDPE) welding rod to high density polyethylene (HDPE) sheet but not vice versa. The reason being is quite simple. The higher the density the more difficult it is to break down the components to weld. If the components cannot be broken down at the same rate then they cannot join together properly. Other than making sure your densities are compatible, polyethylene is a pretty easy plastic to weld. To weld LDPE you need to have the temperature at approximately 518°F/ 270°C, the regulator set at approximately 5-1/4 to 5-1/2 and the rheostat at 5.
   (LDPE Welding Rods) LDPE Welding Rods
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  • LDPE Sheets & Rods
  • LDPE Data Sheet
  • Welding Tools
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