FRP Rebar / Fiberglass Rock Bolt for Mining
Product Introduction of Fiberglass Rock Bolts
Glass fiber reinforced bar (FRP/GRP) is a new type of composite material. which is made of glass fiber or other fiber as reinforcing material, pultrusion resin and auxiliary agent as cementing material.
Fibers are slimer in diameter, smaller in size. The strength and modulus of matrix is much lower than fiber, but it can withstand larger strains, often with viscoelasticity and elastoplasticity and is a ducitile meterial.
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Specification of FRP Rebar
| Diameter | Length | Plate size | Tensile strenth | Ultimate load | Working Load |
| (mm) | (mm) | (mm) | (MPa) | (KN) | (KN) |
| 16 | 1000~1800 | 120×120×6 | ≥500 | 80 | ≥49 |
| 18 | 1200~2000 | 120×120×10 | ≥500 | 100 | ≥58.8 |
| 20 | 1400~2000 | 150×150×8 | ≥500 | 120 | ≥78.6 |
| 22 | 1600~2100 | 150×150×10 | ≥500 | 140 | ≥80 |
| 24 | 1800~2200 | 150×150×10 | ≥500 | 160 | ≥88.2 |
Product Accessories of FRP Rebar
1. Rebar : the important construction of the assembly, plays a major role in the anchor and support.
2. The head of the anchor drill: barb can be bolt positioning in the drilled holes, the middle rod body good.
3. Coupling: easy to manage, unlimited application range.
4. Anchor plate : bear greater stress of surrounding rock.
5. Nut: the surrounding rock stress concentrated on the pad.
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Advantage of GRP Rebar
1. Well dimensional stability .
2. Well insulated .
3. Light weight, durable, resistance to acid, alkali, aging resistant, corrosion resistant.
4. High tensile strength and bending properties to make it go through narrow pipes easily.
5. Good temperatures adaptability, it will not soften in hot weather nor become brittle in cold weather, its usability will not be affected by temperature.
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Applications of FRP Rebars
1) GRP rebars used for construction as alternatives of steel rebar
2) FRP rock bolt used for underground mining
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Packing and Delivery of Fiberglass Rebars
Our Company
Our plant founded in 1992, is located in Hengshui city, the biggest FRP production base of China with annual capacity of 60000 tons.
With high quality and reliable service, our products have been exported to all over the world including USA, Japan, Brazil, Germany, India, Malaysia, Egypt and so on.
Meantime we have made good cooperation with many firms of top 500 of the world, such as BAYER, BASF, Rohm and Haas, DOW Chemical, Fluor, etc.
Our Client and Certificate