EXTREN FAQs and Resins

Redwood’s fiberglass reinforced plastic (FRP) lineup gets a lot of attention for the quality and versatility of our products. However, certain bits of misinformation and common questions are asked over and over. We’ve decided to write a short explanation on the different FRP resins for our EXTREN® line of structural FRP products. Here are some of the common questions:

“How expensive is EXTREN® compared to traditional materials?”

This is not a simple answer. While the upfront costs of Redco™ EXTREN® are significantly more than traditional materials, the cost over the life cycle is often dramatically less. When one factors in the costs of maintenance (cleaning/repainting) and possible replacement due to corrosion or legal issues due to an unsafe environment that leads to failure, FRP materials would be cheaper.

“Can I get UV inhibitor additive?”

All EXTREN® materials have a UV inhibitor included.

“Could you quote corrosion resistant FRP?”

All of our FRP materials are corrosion-resistant, including Redco™ EXTREN®’s “base” series 500 line. However, for environments with extreme corrosion, we offer the premium series 625 with vinyl-ester resin.

That last question is a good segway into a quick primer on Redco™ EXTREN®’s resins.

-Series 500: Corrosion resistant, UV inhibitor, polyester resin and olive green in color.

-Series 525: Corrosion resistant, UV inhibitor, polyester resin, fire retardant additive and slate grey in color.

-Series 625: Extremely corrosion resistant, UV inhibitor, vinyl-ester resin, fire retardant additive and beige in color.

For more information on the Redco™ EXTREN® line, check out this short video:

For assistance or questions about your application please contact us.

E-MAIL: sales@redwoodplastics.com
CDN: 1 800 667 0999
USA: 1 866 733 2684

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About redwoodplastics
Since 1971 Redwood Plastics and Rubber has worked directly with customers to find solutions for a variety of problems including shock, abrasion, noise, wear, & friction. In partnership with our manufacturing divisions, Redwood Plastics and Rubber molds, machines, and fabricates a wide-range of high quality, custom components. Our dedication to ethical and respectful interaction with our customers, suppliers and each other is the key to our long standing relationships. Relationships that are enabled by the pride, enthusiasm and commitment of each member of our organization.

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