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Characteristics and uses of fiberglass rebar

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unicomposite
Characteristics and uses of fiberglass rebar

Fiberglass rebar is a full-thread glass fiber rod formed by pultrusion and winding of glass fiber, epoxy resin, and other fillers. Similar to steel bars, it is a new type of composite rebar.


The weight of glass fiber rebar is light, the density is 1.9-2.2g/cm³, which is 1/4 of the mass of the same volume of rebar; the strength is high, the tensile strength of glass fiber rebar is above 450MPa, and the tensile strength of high-strength glass fiber rebar can even reach More than 1400MPa; the insulation of the rod body is non-conductive and non-magnetic; good anti-corrosion performance, no rust, strong acid, and alkali resistance, easy to cut, and can be processed into various shapes. shape, poor plasticity after molding, and poor bending performance.


The rapid development of fiberglass rebar has a great relationship with the characteristics of fiberglass rebar material. Compared with ordinary rebar, the physical properties and cost of fiberglass rebar are better, in terms of tensile strength, tensile modulus, and thermal insulation performance There are great advantages in terms of transportation and operation costs.


Due to the above characteristics of glass fiber rebar, it is currently mainly used in subway shield construction (high strength, easy cutting), foundation pit support (fixed length, high strength), road and bridge cement products (corrosion resistance, acid and alkali resistance, service life) Long, lightweight, high strength), laboratory smart roads (non-magnetic and non-conductive), coastal engineering (acid and alkali resistance, corrosion resistance), and other fields.

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