FRP products are used in structural, electrical, marine, and infrastructure applications where compliance with recognized standards is often mandatory. Understanding the relevant standards helps buyers specify the right tests, interpret supplier data sheets, and avoid over-specification or non-compliance.
This guide summarizes the most commonly cited standards for FRP products. It is not a substitute for project-specific engineering review, but it provides a starting point for procurement and quality discussions.
ASTM Standards for FRP Products
ASTM International publishes the widest range of test methods and material specifications for FRP composites used in North America and many export markets.
- ASTM D3917 — Standard specification for rigid rod and pultruded shapes. Covers dimensional tolerances, straightness, and visual requirements for structural profiles.
- ASTM D638 — Tensile properties of plastics and composites.
- ASTM D790 — Flexural properties of unreinforced and reinforced plastics.
- ASTM D2583 — Indentation hardness of rigid plastics by means of a Barcol impressor.
- ASTM D2584 — Ignition loss of cured reinforced resins, used to determine fiber content.
- ASTM E84 — Surface burning characteristics of building materials, used for flame spread and smoke index ratings.
- ASTM B117 — Standard practice for operating salt spray apparatus, used to evaluate corrosion resistance.
European Standards (EN)
European projects typically reference EN standards for pultruded profiles and infrastructure applications.
- EN 13706 — Reinforced plastics composites. Specifications for pultruded profiles. Parts 1 through 3 cover definitions, test methods, and structural design.
- EN 40 — Lighting columns, including FRP composite poles where applicable.
- EN ISO 10406-1 — FRP bars for concrete reinforcement, aligned with global FRP rebar practice.
ISO Standards
ISO standards provide internationally recognized test methods and product specifications.
- ISO 10406 — FRP bars for structural and non-structural reinforcement of concrete.
- ISO 9001 — Quality management systems. A baseline certification for FRP manufacturers supplying international markets.
- ISO 527 — Tensile properties of plastics and composites.
- ISO 14125 — Flexural properties of fiber-reinforced plastic composites.
ACI & CSA for FRP Rebar
Structural concrete reinforced with FRP bars is governed by regional design codes.
- ACI 440.1R — American Concrete Institute guide for the design and construction of structural concrete reinforced with FRP bars.
- CSA S806 — Canadian Standards Association design and construction of building components with fiber-reinforced polymers.
- CSA S6 — Canadian Highway Bridge Design Code, which includes provisions for GFRP reinforcement.
Industry-Specific Certifications
Certain end markets require additional certification beyond material standards.
- DNV — Det Norske Veritas rules for offshore and marine applications.
- ABS — American Bureau of Shipping acceptance of FRP materials on vessels and offshore units.
- UL — Underwriters Laboratories listings for electrical and fire-rated products.
Our Certifications & Testing Commitment
IncomePultrusion operates under a quality management system aligned with ISO 9001:2015. We can supply products tested to ASTM, EN, or ISO methods, and we can arrange third-party certification for marine, electrical, or fire-rated applications. Test reports, certificates of origin, and mill test reports are included with shipments on request. If you are evaluating overseas suppliers, our guide to sourcing FRP from China covers qualification, lead times, and inspection workflows.
Frequently Asked Questions About FRP Standards
Which standard should I specify for pultruded FRP structural profiles?
For North America, ASTM D3917 is the most common specification for rigid rod and pultruded shapes. For Europe, EN 13706 is the primary standard. Project-specific standards may also be invoked by the engineer of record.
What is the difference between ASTM E84 and UL 94 for fire rating?
ASTM E84 measures surface burning characteristics (flame spread and smoke index) for building materials. UL 94 evaluates the flammability of plastic materials in small-scale tests. The appropriate test depends on the application and code requirements.
Are ISO 9001 and ISO 10406 the same thing?
No. ISO 9001 is a quality management system standard. ISO 10406 is a product standard for FRP bars used to reinforce concrete. Both may be referenced in a procurement package, but they serve different purposes.
Can you test to a standard not listed here?
Yes. We can arrange testing to project-specific or regional standards. Tell us the required test method and acceptance criteria, and we will confirm scope and cost.
Need Products to a Specific Standard? Submit Your Requirements
Tell us the standards your project requires, and we will confirm material formulation, testing scope, and documentation. For related quality information, see our FRP quality control and testing page. For product specifications, visit GFRP rebar and FRP pultruded profiles, or request a quote with your standard requirements.





