Fiberglass Rebar (FRP Rebar Style 05)

Fiberglass rebar — also called FRP rebar, GFRP rebar, or composite rebar — is a newer reinforcement material made of high-strength glass fibers and resin, offering multiple advantages over traditional steel rebar.

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Fiberglass Rebar: A New Class of Reinforcement Material

Fiberglass rebar — also known as FRP rebar, GFRP rebar, composite rebar, or fiber reinforced polymer rebar — is a newer reinforcement material with several advantages over traditional steel rebar. It is produced from high-strength glass fibers bonded with resin through a pultrusion process, and offers the following features:

High strength: its tensile strength runs 2-3 times higher than steel rebar’s, letting it carry heavy loads without deforming or fracturing.

Corrosion resistance: immune to rust, acid, alkali, salt, and other corrosive agents, it holds up in harsh settings such as coastal areas, bridges, tunnels, and underground structures.

Lightweight: its density is only 1/4 that of steel rebar, cutting structural weight along with transportation and installation costs.

Non-magnetic: it does not interfere with electromagnetic signals, making it usable in sensitive areas such as airports, hospitals, power plants, and communication facilities.

Thermal insulation: its low thermal conductivity reduces heat loss and thermal expansion, improving a building’s energy efficiency and durability.

Guangdong Haikuo Composite Materials Co.,Ltd.: A Leading Fiberglass Rebar Manufacturer

Guangdong Haikuo Composite Materials Co.,Ltd. is a professional fiberglass rebar manufacturer in China with more than 10 years of experience and advanced technology. We produce fiberglass rebar in a range of specifications and colors to customer requirements, backed by quality assurance and after-sales service, and our products have gone into domestic and overseas projects including highways, railways, bridges, dams, and buildings.

Gfrp rebar machine

If you have questions about fiberglass rebar or would like to know more, feel free to reach out. Here is how to contact us:

Phone: +8618951988522

Email: helena@frphk.co

Website: [Guangdong Haikuo Composite Materials Co.,Ltd.] Fiberglass Rebar

Product Specifications

The table below lists common specifications and parameters for the fiberglass rebar we manufacture:

Diameter （mm）	6	8	10	12	14	16	18	20	22	25	28	30	32	34	36
Cross section（mm2）	28	50	73	103	134	180	248	278	355	478	590	671	740	867	977
Density (g/cm3)	2.2	2.2	2.2	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1
Weight (g/m)	51	98	150	210	275	388	485	570	700	970	1195	1350	1589	1788	2044
Ultimate Tensile Load (KN)	36	54	72	99	117	149	189	225	270	342	432	475	504	540	585
Ultimate Tensile Strength (Mpa)	1280	1080	980	870	764	752	744	716	695	675	702	637	626	595	585
Ultimate Shear Strength (Mpa)	＞150	＞150	＞150	＞150	＞150	＞150	＞150	＞150	＞150	＞150	＞150	＞150	＞150	＞150	＞150
E-modulus (GPa)	＞40	＞40	＞40	＞40	＞40	＞40	＞40	＞40	＞40	＞40	＞40	＞40	＞40	＞40	＞40

We hope this gives you a useful introduction to fiberglass rebar and its benefits. To learn more or place an order, contact us today — we look forward to hearing from you. Thank you for your interest.

Technical Summary & Engineering Insights

Executive Summary: Haikuo Fiberglass Rebar (FRP/GFRP Rebar) is pultruded from high-strength glass fiber and resin as a corrosion-proof, non-conductive alternative to steel reinforcement — built for structures where long-term durability matters more than short-term material cost.

Performance Factor	Haikuo Fiberglass Rebar	Steel Rebar	Wood/Timber Support
Corrosion Resistance	Immune to rust, chlorides, and chemicals	Rusts, expands, cracks concrete	Rots over time
Weight	Roughly a quarter the weight of steel	Heavy	Light but weak
Electromagnetic Neutrality	Non-conductive, non-magnetic	Conductive, magnetic	Non-conductive
Service Life in Harsh Environments	50+ years typical	Reduced by corrosion	Short, moisture-dependent
Installation Handling	Light, easy to transport and place	Heavy, requires more labor	Light but low strength

Targeted Product FAQ

Q1: How does fiberglass rebar compare in price to steel rebar?

A1: The upfront material cost is typically higher than steel, but total lifecycle cost is often lower once you factor out corrosion-related repairs, coatings, and replacement — especially in marine, coastal, or chemical-exposure projects. We’re happy to work through the comparison for your specific project.

Q2: What resin systems do you use?

A2: We manufacture with vinyl ester and polyester resin systems depending on the chemical/environmental exposure required — tell us your application and we’ll recommend the right resin grade.

Q3: Can fiberglass rebar be used in seawater or wastewater structures?

A3: Yes, this is one of its strongest use cases — seawalls, docks, wastewater treatment tanks, and other structures with constant moisture or chemical exposure where steel would corrode within a few years.

Q4: Do you provide technical/mechanical test data?

A4: Yes, our production is ISO 9001:2015 certified and test reports are available on request — contact us with your project specification and we’ll share the relevant documentation.