Syntho-Glass® XT


Syntho-Glass® XT by Neptune Research Inc (NRI)

SynthoGlass® XT

Pre-Preg Water Curable Composite for Pipeline Repair & Reinforcement

The Syntho-Glass® XT system is a unique pre-impregnated, bi-directional composite used to repair and reinforce both internal and external corrosion on pipelines or structures.
Our pre-impregnated system ensures proper fiber-to-resin content ratios which are crucial for reliable performance.



  • Pipeline integrity
  • Transmission and distribution pipelines
  • Oil and gas risers
  • Girth welds on vessels and pipelines
  • Elbows, tees, and flanges
  • Process piping: chemicals, oil, gases, water, and steam
  • Atmospheric corrosion


  • Water-activated polyurethane resin reduces composite preparation time by over 50%
  • Installation in wet, rainy, or submerged environments ensures ease of application in virtually any situation
  • Simplicity and flexibility permit application to irregular shapes and geometries, while eliminating diameter specific inventory
  • Full factory engineering consultation and support, ensuring safe and successful repairs

Neptune Research Inc (NRI)

Pipeline Elbow Composite Repair with Syntho-Glass XT

Neptune Research Inc (NRI)

NRI Syntho-Glass XT Underwater Pipe Repair

Neptune Research Inc (NRI)

NRIU Tech Shorts 10 – SG XT ECR install demo