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Plastic Welding & Fabrication for Critical Process OEMs

Foresight is the leading global provider of plastic welding solutions and services for critical process OEMs, including CMP, plating, valve boxes, chemical distribution systems, slurry systems, and double containment piping. We have invested heavily in our plastic welding service capabilities to differentiate ourselves from other plastic welding companies competing in this space. Our plastic welding process uses internally-designed welding systems that control all parameters to ensure weld quality for each specific plastic material and application, from plastic welding fabrication work to full plastic welding and fabrication assemblies. All welding is performed in temperature-controlled facilities to ensure consistent dimensional control and repeatability.

Our team includes more than 150 certified professionals, so you can rely on high-quality, industry-standard plastic welding performed by a trained plastic welder for every job. Each welder completes extensive training and maintains plastic welding certification to AWS B2.4 standards. We also support OEM production needs as experienced plastic welding contractors and subcontractors, helping customers select the right approach across different types of plastic welding and materials, including Polypropylene, PVC, PVDF, Halar, FM4910 materials, and many others.

Plastic Welder Certifications

  • Certified to AWS-B2.4
  • 3rd Party Certification
  • Multiple Plastic Types

Plastic Weld Control Units

  • Custom-designed by Foresight and built to achieve controlled and repeatable weld quality for critical applications
  • Calibrated for different materials
  • Daily quality validation
  • Custom Foresight designed and built to achieve controlled and repeatable weld quality for critical applications
  • Calibrated for different materials
  • Daily Quality Validation
  • Custom and Shannon brand Plastic Bending Machines
  • Integrated cooling channels
  • Envelope up to 60” in length

Annealing of plastics to create stable materials for machining and increased dimensional stability

Additional Capabilities

Optical Clear Plastics thru Flame Polishing, Vapor Polishing & Mechanical Polishing

Foresight has the ability to achieve optically clear plastic parts thru a variety of methods including Flame Polishing, Vapor Polishing, and Mechanical Polishing.

Plastic Bending

Foresight provides plastic bending for a variety of applications, including containment and electrical covers.

Plastic Welding for High-Purity Systems: FAQs

High-purity systems require strict control of weld parameters, material compatibility, and fabrication environments. Even minor variations can impact leak integrity and long-term system performance in chemical delivery and process-critical applications.

OEMs should prioritize certified quality systems, process control, and semiconductor experience. Foresight operates in ISO 9001 and AS9100-certified environments across both U.S. and Asia facilities, ensuring consistent quality, traceability, and repeatability at production scale.

Temperature, pressure, and fusion control directly affect weld strength, dimensional stability, and resistance to chemical exposure. Consistent parameter control is critical to preventing leaks and ensuring long-term system durability.

Foresight acts as a fully integrated manufacturing partner, supporting material selection, joining methods, and fabrication strategy. Backed by ISO-certified machining and plastic welding operations, this approach helps optimize manufacturability, scalability, and overall system performance.