Thermoplastic Welding Rods

The most important element to successful thermoplastic welding is the filler rod. To insure proper bonding, it is essential that filler rods be made with the same high grade resins used in the material being welded.

The Primeweld plastic welding rod is extruded using only the highest grade resins available.

  • Available in a large variety of materials
  • Dimensions from .090″ to .500″
  • Variety of Shapes
  • Metric sizes also available

Available Materials: ABS, PVC, LDPE, LLDPE, HDPE, HDPE 3407B, Polypro, Copoly, Styrene, PETG, CPVC, Corzan, Corzan White 4910, Urethane I &II, Polycarbonate, Kynar

Dimensions: .090″, .125″, .1563″, .1875″, .250″, .3125″, .375″, .500″


Metric sizes also available.

For more information, a quote, or to order Primeweld plastic welding rods, contact us today.

Physical Properties*
Hardness, Shore A 62
Tensile Strength, psi 1980
Elongation at Break, % 730
Brittle Temperature, F -20.2
Specific Gravity 1.25

* Values listed are typical and are meant only as a guide to aid in design. Field testing should be performed to find the actual values for your application.

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Please include following info: Material Type Inside Dimension Outside Dimension Wall Thickness Tolerances Opacity / Color Length Quantity Additional Requirements Application / Use


Primeweld is used in the welding of the following materials:

  • ABS
  • PVC
  • LDPE
  • Kynar
  • HDPE
  • HDPE 3407B
  • Polypro
  • Copoly
  • Styrene
  • PETG
  • CPVC
  • Corzan
  • Corzan White 4910
  • Urethane I & II
  • Polycarbonate