Low Density Polyethylene (LDPE) Welding Rods
Polyethylene is impact resistant, abrasion resistant, is machinable and has low water absorption. Proven applications for PE are bins and liners, tanks, laboratory vessels, cutting boards and slides. Polyethylene is an easy thermoplastic to weld.
Standard Sizes, Weights & Colors:
1/8" Dia Round, Natural 200 ft/lb
5/32" Dia Round, Natural 130 ft/lb
3/16" Dia Round Natural 90 ft/lb
1/8" Dia Round, Black, 200 ft/lb
5/32" Dia Round, Black 130 ft/lb
3/16" Dia Round Black 90 ft/lb
FEATURES AND BENEFITS
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.
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