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STRONGWELL EXTREN® SERIES 525 Premium Polyester Resin, UV inhibitor added, Flame retardant additives

Standard Color: Slate Gray. A general-purpose resin with excellent corrosion properties and improved fire performance. EXTREN® shapes and plate can be identified by the EXTREN® logo embedded in the surfacing veil. All EXTREN® products meet or exceed the minimum published mechanical, physical, electrical, flammability, and corrosive properties of the 525 Series published in the Strongwell Design Manual. All Strongwell EXTREN® manufacturing facilities are ISO 9001 quality certified. This ensures the highest quality standards for producing EXTREN® structural shapes in a world class facility.

Features:

• Corrosion Resistant
• Low Conductivity - Thermally and Electrically
• Non-Magnetic - Electromagnetic Transparency
• Lightweight
• High Strength
• Dimensional Stability
• Low Maintenance

STRONGWELL EXTREN® is manufactured by the pultrusion process. In its simplest terms, pultrusion is the process of pulling fiberglass (or other) reinforcements through a “bath” of thermosetting resin and into a heated forming-and-curing die to produce composite structural shapes. Reinforcement placement, resin formulation, catalyst levels, die temperature and pull speed are critical process parameters. Strongwell is one of the pioneers of the pultrusion process with more than 60 pultrusion machines in three plant locations across the United States.