Resin Options for UltraGrate Fiberglass Grating
Fiberglass Grating Brochure 
UltraGrate Fiberglass Grating is available in many resin systems, allowing the end use to make an economical selection for a specific application.
Resin Systems Available:
General Purpose - Orthophthalic Polyester: An economical general purpose resin system for grating applications requiring good strength with minimal contact with harsh chemicals.
ISO (Isophthalic Polyester): A resin system offering an intermediate level of chemical resistance in moderately corrosive environments. A recommended material for applications involving splash or spill contact with chemicals.
Vinyl Ester: Provides the maximum level of corrosion resistance to aggressive chemical environments. Use in applications where contact with harsh chemicals, caustics or bleach is frequent.
Fire Retardant: All Standard Resin Systems noted above are fire retardant to a Class I flame spread of 25 or less based on ASTM E-84 Testing. Verification of testing is available if needed.
USDA Certified: The General Purpose and ISO resin systems can be formulated in such fashion to be certified under USDA requirements. Certification by an independent laboratory is available if required. This special formulation is fire retardant, but does not meet Class I requirements.
UV Resistance: All of our grating has a UV additive to limit degradation from outside exposure.
Material Properties
• Flame Retardant -
(ASTM E-84) — Class I
• Most Resins Corrosion Resistant
• Electrically Non-Conductive
• Impact Resistant
• Low Thermal Conductivity
For more information, see our chemical resistance guide, installation notes, and details on fabrication of fiberglass grating in our Fiberglass Grating Brochure
In addition to our Fiberglass grating, we offer a complete line of standard structural pultrusions to complete your FRP project.
If you desire a completed fiberglass system, contact sales or one of our authorized fabricators.
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