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    • GFRP

    REBAR.

     

    Glass Fiber Reinforced Plastic Rebar

    Stronger and lighter steel substitute without rust and corrosion

      The Greatest Invention in Construction

      REINFORCED CONCRETE(RC)       

     

     

    The only weakness of steel reinforced concrete is

    Rust & Corrosion

    Moisture, salt, etc. that seeps into the concrete causes rust & corrosion on the surface of the steel rebar,

    causing the concrete to expand in volume and destroy the concrete, causing collapse accidents and high maintenance costs

    before the expected lifespan of the structure.

     

    Source: YouTube Channel - The Fourth Dimension, Rebar Rust



    GFRP REBAR

    is the perfect substitute for steel rebar

     

    Polymer of special corrosion-resistant glass fiber and plastic resin

     

    We produce and sell our products using self-developed machine,

    which we designed and built ourselves.

    (Overwhelming difference in quality and production volume compared to

    other Koreans producers' imported machine from China, Russia, etc.)

     

    sand-coated products for

    maximization of bond strength to concrete

    & minimization of tingling sensation due to external surface fluff.

     

     


    Strength x3

    Tensile Strength

    Steel Rebar 400 ~ 600 MPa

    VS

     GFRP  Rebar 900~1200MPa

    25% Weight

    Light weight

    구조물 하중 저하 / 중장비 최소화 /

    시공속도 향상 / 물류비 감소 / 작업자 안전

    Cost Saving

    Less LCC(Life Cycle Cst)

    Economic Analysis between

    steel rebar Vs. GFRP rebar

    done by

    Korea Expressway Corporation/

     Korea Electric Power Corporation

    75% CO2 Emission reduction

    43% to 75% reduction in carbon emissions compared to steel for raw materials, manufacturing, logistics, and construction end-use

    (Korea Expressway Corporation Carbon Emission Impact Analysis, Korea Railroad Corporation Sustainability Management Report, Korea Electric Power Corporation, Overseas Papers)

    HISTORY

    Expanding market for GFRP rebar

    COMPANY

    Dong Shin Materials

     2019

    - Started GFRP Rebar mass production machine R&D

     

    2022

    - Company Establishment

    - Patent application for GFRP Rebar manufacturing device and manufacturing method (registration completed in 2024)

    - Supplied GFRP Rebars to SGC E&C Logistics Center construction project

    - Supplied GFRP Rebars to KEPCO(Korea Electric Power Corporation) Wando Transformer Plant

    - MOU Signed with Saudi Arabian Hail Province Government

    - MOU Signed with Philippine Construction Company for Government Project

     

    2023

    - Registered as a POSCO E&C material supply partner

    - Obtained Public Procurement Service bidding qualification and posted GFRP Rebar on Online Public Procurement platform

    - Contract for supply of GFRP Rebar government-supplied materials to Seongju County Office

     

    2024

    - ISO 9001 / 14001 / 45001 certification

    - Acquisition of Small Business Specialized Company Certificate

    - Supply of GFRP Rebars for the double-track electric railway track construction of Korean National Railway Janghang Line

    GFRP REBAR

    Expansion of GFRP rebar in S. Korea

    2007

    GFRP RebarTest Application Cheongdae Bridge

     

    2018

    - GFRP Rebar applied to replace upper reinforcement bar of Haengsin IC ramp bridge

     

    2019

    - Korea Concrete Institute FRP Reinforcement Structural Design Guidelines

     

    2020

    - Korea Expressway Corporation GFRP Rebar Temporary Construction Guidelines

     

    2021

    - Rebar price skyrockets (600,000 won per ton -> 1.4 million won per ton)

    - Korean National Railway GFRP Rebars Test Specimen Production / Structural Performance Test for concrete railway

    - Korea Expressway Corporation Guardrail Protection Wall GFRP RebarTest Specimen Production

     

    2022

    - Test application of GFRP Rebar for drainage structure of KEPKO(Korea Electric Power Corporation)

    - Used in bridges, tunnels, and culverts of Korea Expressway Corporation and POSCO E&C Pocheon~Hwado Expressway

     

    2023

    - Korean National Railway applied GFRP Rebar to Andong~Yeongcheon Concrete Railway

    - POSCO E&C applied GFRP Rebar to West Inland Expressway Pyeongtaek Bridge

    - Korean National Railway set GFRP Rebar as a priority review material over steel rebar on Bidding Announcement of Suseo~Gwangju Double-Track Railway

     

    2024

    - Ministry of Land, Infrastructure and Transport GFRP Rebar Bridge Design, Construction Guidelines (KDS, KCS) Administrative Notice

    - Korea Expressway Corporation Construction Department GFRP Rebar Application Expansion Announcement

    - Korea Expressway Corporation Changes Design and Application of GFRP to All Bridge Superstructures

     

    2025

    - Korea Expressway Corporation set GFRP Rebar is a government supplied material

    THE BEST GFRP REBAR PRODUCER

    The overwhelming difference in technology

    Machine Technology

     

    Based on a solid foundation, we design and manufacture machines ourselves to take advantage of the characteristics of our products, and we are always upgrading them. No one knows a machine better than the person who created it.

    Production/Quality Control

     

    Our products are developed and manufactured by managers with quality standards and process control capabilities built up over decades of experience working with the world's largest electronics manufacturers. 

    Price competitiveness

     

    We have overwhelming production capacity compared to our industry competitors. The difference in production per hour is ultimately the difference in price competitiveness. 

    GFRP REBAR

    Applications

    Due to the excellent special features of GFRP rebar,

    it can be used as a replacement for steel bars in all areas,

    such as high-rise building foundations, roads, bridge decks, transmission tower foundations,

    railway slabs, precasts, dams, flood prevention facilities, electromagnetic interference prevention facilities,

    tunnels, breakwaters, and airport runways.

    Test Reports

    KS F ISO
    10, 16, 19, 22, 25mm 부착강도 17, 17, 24, 20, 18MPa
    소유자012023-03-20
    ASTM
    13mm 부착강도 22MPa
    소유자012023-03-20
    ASTM
    22mm 인장강도 1,015MPa
    소유자012023-03-20
    KS F ISO
    16mm 인장강도 1,055MPa
    소유자012023-03-20
    KS F ISO
    13mm 인장강도 1,091MPa
    소유자012023-03-20
    KS F ISO
    10mm 인장강도 1,128MPa
    소유자012023-03-20

    글쓰기

    Together with

    Dong Shin Materials

    Contact us

    Name

    Company/Organization

    e-mail

    Phone number

    Inquiry

    Business card

    파일 업로드
    Submit

    Contact 

     

    Dong Shin Materials was established in 2022 and has carried out many projects based on technology and trust. We are waiting for customers who trust and rely on us.

    Please feel free to contact us at any time.

    Tel.  032-623-5019   

    Fax. 032-623-5017

    e-mail: dsmaterials1@naver.com

    Location

    Incheon Office  

    / Seongju-gun Factory(HQ)

    사무실: 인천광역시 부평구 부평대로 283 (청천동, 부평우림라이온스밸리)

    Office: 283, Bupyeong-daero, Bupyeong-gu, Incheon, Republic of Korea

    공장: 경상북도 성주군 월항면 주산로 540

    Factory: 540, Jusan-ro, Wolhang-myeon, Seongju-gun, Gyeongsangbuk-do, Republic of Korea

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