Glass Fiber Reinforced Polymer (GFRP) rebar is a composite material made from a polymer matrix reinforced with glass fibers. This innovative construction material is designed to serve as a non-corrosive alternative to traditional steel rebar in concrete reinforcement. GFRP rebar is created by combining thermosetting resin with glass fibers, which are then processed through pultrusion to form bars of various diameters and lengths.
FEATURE
Corrosion Resistance:
Unlike steel, GFRP rebar does not rust or corrode, making it ideal for use in harsh environments such as coastal areas, chemical plants, and roads treated with deicing salts.
High Strength-to-Weight Ratio:
GFRP rebar is lighter than steel rebar but offers comparable or even superior tensile strength, which simplifies transportation and handling during construction.
Non-Magnetic:
Being non-metallic, GFRP rebar does not interfere with magnetic fields, which is beneficial in applications sensitive to magnetic interference, such as MRI rooms and electronic manufacturing facilities.
Thermal Insulation:
GFRP rebar provides low thermal conductivity, helping prevent thermal bridging in insulated concrete forms and enhancing the energy efficiency of buildings.
Durability:
The life cycle of GFRP rebar is significantly longer due to its resistance to environmental degradation, which reduces the need for costly maintenance and repairs over time.
Electrical Insulation:
It acts as an electrical insulator, which is useful in structures that need to be isolated from electrical current.
APPLICATION
Infrastructure:
Used in the construction of bridges, highways, and tunnels where longevity and minimal maintenance are crucial. Its corrosion resistance ensures a longer lifespan for these structures under exposure to moisture and chemicals.
Buildings:
Ideal for use in the foundations, walls, and floors of buildings in corrosive environments, such as marine waterfronts or areas with high humidity.
Water Treatment Plants:
In facilities exposed to high levels of chemicals and moisture, GFRP rebar is used to reinforce concrete that comes in contact with aggressive chemical environments.
Parking Structures:
Utilized in parking garages to prevent the common problem of rebar corrosion due to water and salt ingress, thus extending the structure’s service life.
Marine Structures:
Used in piers, docks, and seawalls where saltwater exposure is a concern, providing long-term stability without the risk of corrosion.
Electromagnetic Sensitive Areas:
Deployed in structures requiring non-magnetic properties, such as hospitals with MRI facilities and electronic manufacturing areas.
SPECIFICATION
|
Diameter
(mm)
|
Density
(g/cm3)
|
Weight
(g/m)
|
Ultimate tensile(KN)
|
Ultimate tensilestrength
(Mpa)
|
Ultimate shear strength(Mpa)
|
E-modulus(Gpa)
|
|
3
|
2.2
|
18
|
13.5
|
1900
|
>150
|
>40
|
|
4
|
2.2
|
32
|
18
|
1500
|
>150
|
>40
|
|
6
|
2.2
|
51
|
36
|
1280
|
>150
|
>40
|
|
8
|
2.2
|
98
|
54
|
1080
|
>150
|
>40
|
|
10
|
2.2
|
150
|
72
|
980
|
>150
|
>40
|
|
12
|
2.1
|
210
|
99
|
870
|
>150
|
>40
|
|
14
|
2.1
|
275
|
117
|
764
|
>150
|
>40
|
|
16
|
2.1
|
388
|
149
|
752
|
>150
|
>40
|
|
18
|
2.1
|
485
|
189
|
744
|
>150
|
>40
|
|
20
|
2.1
|
570
|
225
|
716
|
>150
|
>40
|
|
22
|
2.1
|
700
|
270
|
695
|
>150
|
>40
|
|
25
|
2.1
|
970
|
342
|
675
|
>150
|
>40
|
|
28
|
2.1
|
1195
|
432
|
702
|
>150
|
>40
|
|
30
|
2.1
|
1350
|
450
|
637
|
>150
|
>40
|
|
32
|
2.1
|
1520
|
504
|
625
|
>150
|
>40
|
|
34
|
2.1
|
1800
|
540
|
595
|
>150
|
>40
|
|
36
|
2.1
|
2044
|
585
|
575
|
>150
|
>40
|
|
40
|
2.1
|
2380
|
640
|
509
|
>150
|
>40
|
*Specific products could be made according to customers’requirements.