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GFRP (Glass Fiber Reinforced Polymer) Rebar is a high tensile material used for construction. It is an alternative to steel reinforcement rebar. It is the strongest, cheapest and one of the best building materials for the construction project.
GFRP reinforcing bar has higher tensile strength and corrosion resistance than steel rebar. In addition, GFRP Rebar has been confirmed to be the solution as a significant development in strengthened concrete technology.
GFRP Rebar, also called (Glass Fiber Reinforcing Polymer) is composed of a polymer plastic matrix with embedded glass fibres. The polymer is made of a vinyl ester, epoxy or polyester thermosetting plastic. The steel rebar is composed of iron with a small percentage of carbon.
The difference between GFRP Rebar and steel rebar is that GFRP Rebar is more durable, cost-effective, more robust and lighter.
The durability depends on the outer layer of rebar. Over time, carbon dioxide and chlorides in the air or water enter the pores of the concrete and reduce the alkalinity or pH level of the hardened concrete.
GFRP’s corrosion resistance eliminates carbon and chloride-induced corrosion and protects the construction. As a result, the construction cost and maintenance cost is very low as compared to steel rebar.
| Material | GFRP REBAR | Steel |
| Tensile strength MPa/N/mm^2 | 1000+ | 500 |
| Shear strength | 170 | 120 |
| Bond strength MPa/N/mm^2 | 12.5 | 14* |
| Compression MPa/N/mm^2 | 450 | 500 |
| Modulus of Elasticity GPA | 65 | 160-200 |
| Elongation % | 4 | 25 |
| Durability | Not less than 80 years | Terms are prescribed in special building Codes |
| Density ton/rn3 | 1.9 | 7.8 |
| Corrosion resistance to aggressive environment | StainLess material preserving properties even in alkaline concrete environment | Appearance of rust products |
| Ecological compatibility | Does not emit harmful and toxic substrances during store and use | Ecologically friendly material |
| Electrical conductivity | Dielectric | Electrically conductive material |
MRG Composite Rebar is a leading GFRP Rebar manufacturer in India and supplies rebar all over the world. MRG Composite Rebar provides the best GFRP Rebar price in India and worldwide.
GFRP Rebar is better than the steel rebar. GFRP Rebar is a more robust, lighter, and cost-effective material than steel rebar. The construction of GFRP rebar has more benefits than the steel rebar for the construction project.
Strength – composite reinforcement has Strength characteristics 2-3 times superior characteristics of steel reinforcement British standard for breaking
Durability – the coefficient of temperature expansion of composite reinforcement is close to the coefficient of thermal expansion of concrete, so that in the concrete structure there are no associated micro-deformations, micro-cracks and the overall durability of the structure is substantially increased.
Chemical resistance – composite reinforcement has great chemical resistance in various aggressive environments, it is not susceptible to corrosion, which also positively affects the durability.
Light weight – fiberglass reinforcement with comparable strength characteristics is lighter than steel reinforcement in 9 times.
Low thermal conductivity – due to low thermal Conductivity “temperature bridges” are not formed in the structure which reduces the thennal Loss to 34% and, accordingly, the conditioning costs of the building.
Easy installation – reinforcing bars can be cut from the bay Of any given Length, fasten with plastic clips, special fasteners-clamps or just a binding wire.
Easy transportation and storage – you fold the armature into coils, which allows you to use even cars for transportation and save significantly at the same time.
Due to higher fatigue properties, GFRP rebars have higher resistance to cyclical Loads of high intensity, which makes MRG rebars workable during earthquakes
The change in the ambient temperature on the strength of composite reinforcement is practically unaffected. It can be used at temperatures from -70 to +120 degrees Celsius.