Glass-Fiber Reinforced Concrete (GRC)

Glass-Fiber Reinforced Concrete (GRC)

GRC/GFRC is an environmentally friendly building material which is is a versatile material with a myriad of design options and flexibility. It can be provided in many colors, textures, patterns, and surface finishes. Nearly any shape product can be formed. Under CAS’s designed ability, GRC is widely used in exterior facades, partition walls, decoration structures...        

  • Overview
  • Data
  • Benefit
  • Configuration

Overview of Glass-Fiber Reinforced Concrete (GRC)

ProductGlass-Fiber Reinforced Concrete(GRC/GFRC)
MaterialAlkali Resistant Glass Fiber/Cement/Sand/additive...
Surface TreatmentPVDF Coating(Color Customization)
Bending Strength25Mpa
Impact Strength10-25KJ/m2
Air-dry density1800-2000Kg/m3
StandardsIn Compliance With ASTM/AS/NZS/AAMA/NFRC/EN/BSI/ISO

Data of Glass-Fiber Reinforced Concrete (GRC)

Specification Data of Glass-Fiber Reinforced Concrete (GRC)

Lab Sample ID12345678
Test PiecesT1T3B1B3T2T4B2B4
Orientation of 'mould' faceDownUp
Width (mm) b51.251.251.351.651.551.451.251.3
Thickness (mm) d11.810.310.411.310.610.510.310.8
Span Length (mm) L250250250250250250250250
Length (mm)283281281281280281281281
Deflection at LOP (mm) ∆ LOP0.3330.4390.4420.3650.4740.4370.3780.386
Load at LOP (N) FLOP268203235192213182207216
Deflection at Failure (mm) ∆ MOR11.13110.88210.6588.559.55310.44310.1398.936
Load at Failure (N) FMOR651385532616425551511497
Wet Mass (g) mw370325338367328345338349
Dry Mass (g) md341298312339302317313322MEAN
Water Content (%),8.358.888.48.328.798.738.128.328.49
Deformation at LOP,0.00030.00030.00030.00030.00030.00030.00030.00030.0003
Stress on LOP (MPa),9.49.3410.597.
Deformation at Failure,0.00990.00840.00830.00730.00760.00820.00780.00730.0081
Stress on Failure (MPa),22.8317.7223.9723.3718.3624.3123.5220.7621.86
Relationship of Individual Stresses on Failure

Lab Sample ID910111213141516
Test PiecesT1T3B1B3T2T4B2B4
Orientation of 'mould' faceDownUp
Width (mm) b51.251.251.651.551.651.451.450.8
Thickness (mm) d1111.311.61110.911.811.29.9
Span Length (mm) L250250250250250250250250
Length (mm)281281281281280281281281
Deflection at LOP (mm) ∆ LOP0.2880.2740.4360.3390.4360.4960.3710.754
Load at LOP (N) FLOP219196291218293327237236
Deflection at Failure (mm) ∆ MOR10.2969.47610.99110.54312.4929.1019.83710.472
Load at Failure (N) FMOR557514538564656680603448
Wet Mass (g) mw359366366357354375362317
Dry Mass (g) md329335334326324343331291MEAN
Water Content (%),
Deformation at LOP,0.00020.00020.00040.00030.00040.00040.00030.00060.0004
Stress on LOP (MPa),8.847.4910.488.7511.9511.429.1911.8510
Deformation at Failure,0.00850.0080.00960.00870.01020.00810.00830.00780.0087
Stress on Failure (MPa),22.4819.6619.3722.6326.7523.7523.3822.4922.56
Relationship of Individual Stresses on Failure

Lab Sample ID1718192021222324
Test PiecesT1T3B1B3T2T4B2B4
Orientation of 'mould' faceDownUp
Width (mm) b51.351.45151.351.351.551.651.4
Thickness (mm) d11.110.810.911.810.411.111.610.7
Span Length (mm) L250250250250250250250250
Length (mm)281281281281280281281281
Deflection at LOP (mm) ∆ LOP0.3490.3120.3350.3320.4880.3710.460.403
Load at LOP (N) FLOP247206243249246233244220
Deflection at Failure (mm) ∆ MOR10.44310.5148.58212.1029.0359.6538.5911.947
Load at Failure (N) FMOR629551524682580566643552
Wet Mass (g) mw367351360371354345372342
Dry Mass (g) md337323331341328318343314MEAN
Water Content (%),98.668.748.748.938.68.548.888.76
Deformation at LOP,0.00030.00030.00030.00030.00040.00030.00040.00030.0003
Stress on LOP (MPa),9.778.5910.038.7111.089.188.799.359.44
Deformation at Failure,0.00870.00850.0070.01070.00710.00810.00750.00960.0084
Stress on Failure (MPa),24.8822.9821.6223.8726.1322.323.1523.4523.55
Relationship of Individual Stresses on Failure

Non-combustibility Test:

Lab. Sample I.D.FU90030/1FU90030/2FU90030/3Specification of non-combustibility on BS 476:part 4:1970 CI.8
Time of flame continuously (s)000≤10
The temperature rise of the furnace above the initial furnace temperature (℃)001≤50
The temperature rise of specimen centre above initial furnace temperature(℃)000≤50
Compressive Strength Test:
Lab. Sample I.D.Width(mm)Thickness(mm)Maximum Force(N)Compressive Strength(N/mm2)

Benefits of Glass-Fiber Reinforced Concrete (GRC)

  •  Infinite plasticity

  •  Lightweight & high strength

  •  Thin thickness & large size

  •  Rich in colors and shapes

  •  Various textures and surface treatments

  •  Environmental protection & no radiation

  •  Fire prevention and waterproof

  •  Stain-resistant, no deformation, super durability

  •  Good sound insulation and earthquake resistance

  •  Short construction period, convenient maintenance, easy to replace

Configuration of Glass-Fiber Reinforced Concrete (GRC)


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