GRP/FRP Fiberglass Walkway Moulded Grating

SINOGRATES@FRP walkway grating is manufactured by combining fiberglass reinforcement (typically glass fibers) with a thermosetting polymer resin matrix (e.g., polyester, vinyl ester, or epoxy). The resulting composite material is molded into grid-like structures with interlocking bars, creating a high-strength, non-conductive, and chemically inert surface.


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MOULDS  SPECIFICATION  TABLE

38-
40-
25-
50-
80-
   HEIGHT     (mm )      BAR THICKNESS (mm TOP/BOTTOM) MESH SIZE (MM) PANEL SIZE AVAILABLE  (MM) WEIGHT(KG/m²) OPEN RATE(%)
13 6.0/5.0 38*38 1220*2440/1220*3660/1220*4000/1000*3000/921*3055 6 78
14 6.0/5.0 38*38 1220*2440/1220*3660/1220*4000/1000*3000/921*3055 6.5 78
15 6.0/5.0 38*38 1220*2440/1220*3660/1220*4000/1000*3000/921*3055 7 78
20  6.0/5.0  38*38  1220*2440/1220*3660/1220*4000/1220*4038/1000*2000/1000*3000/921*3055  9.8  65
 25  6.5/5.0  38*38 1220*2440/1220*3660/1220*4000/1220*4038/1000*2000/1000*3000/915*3050/921*3055  12.5  68
25 7.0/5.0 38*38 1000*4000 12.5 68
30  6.5/5.0  38*38 1220*2440/1220*3660/1220*4000/1220*4038/1000*2000/1000*3000/921*3055  14.6  68
30 7.0/5.0 38*38 1000*4000/1220*4000 16 68
 38  6.5/5.0  38*38 1220*2440/1220*3660/1220*4000/1220*4920/1000*2000/1000*3000/1000*4038/921*3055/915*3050/1524*3660  19.5  68
38 7.0/5.0 38*38 1000*4000/1220*4000 19.5 68
63 12.0/8.0 38*38 1530*4000 52 68
25  6.5/5.0  40*40  1007*3007/1007*2007/1007*4047/1247*3007/1247*4047/1207*3007  12.5  67
25 7.0/5.0 40*40 1007*4007 12 67
30 6.5/5.0 40*40 1007*3007/1007*2007/1007*4047/1247*3007/1247*4047/1207*3007 14.6 67
30 7.0/5.0 40*40 1000*4000 15 67
38 7.0/5.0 40*40 1007*2007/1007*3007/1007*4047/1247*3007/1247*4047/1207*3007 19.2 67
40  7.0/5.0  40*40 1007*2007/1007*3007/1007*4007/1007*4047/1207*3007/1247*3007/1247*4047  19.5  67
 50  7.0/5.0  40*40 1007*2007/1007*3007/1007*4047/1207*3007/1247*3007/1247*4047  25.0  58
30 7.0/5.0 25*25 1000*4000 16  58
40 7.0/5.0 25*25 1200*4000 22  58
50 8.0/6.0 50*50 1220*2440/1220*3660/1000*2000/1000*3000 24 78
50 7.2/5.0 50*50 1220*2440/1220*3660/1000*4000/1000*3000 21 78
 13 10.0/9.0 80*80 1530*3817/730*1873  5.5  81
14 10.0/9.0 80*80 1530*3817/730*1873 6 81
15 10.0/9.0 80*80 1530*3817/730*1873 6.5 81

FRP molded grating surface choics:

4

Flat Top

2

Standard Grit

3

Fine Grit

1

Concave Finish

● Flat Top                        Molded grating ground to a smooth flat surface 
●Standard Grit               Standard grit for non slip protection
●Cancave Surface          Natural finish with slight concave profile on load bars

● Fine grit Surface         A fine grit surface finish which requires the surface to be ground smooth to remove the concave finish before applying fine sand.

FRP Resins Systems Choices:

Phenolic resin (Type P): The best choice for applications requiring max fire retardant and low smoke emissions such as oil refineries, steel factories, and pier decks.
Vinyl Ester (Type V): withstand the strict chemical environments used for chemical, waste treatment, and foundry plants.
Isophthalic resin (Type I): Type I is a premium isophthalic polyester resin. It is a popular choice for most applications due to its good corrosion resistance properties and relative low cost. This type of resin is most commonly used in applications where there is a possibility of a splash or spill of harsh chemicals.

General Purpose Orthothphalic resin (Type O): economic alternatives to vinyl ester and isophthalic resins products.

Food Grade Isophthalic resin (Type F): Ideally suitable for food and beverage industry factories which are exposed to strict clean environments.

Epoxy Resin(Type E):offer very high mechanical properties and fatigue resistance, taking the advantages of other resins. Mold costs are similar to PE and VE, but material costs are higher.

Resins options guide:

Resin Type      Resin Option Properties Chemmical Resistance Fire Retardant(ASTM E84) Products Bespoke Colors Max ℃ Temp
Type P Phenolic Low Smoke and Superior Fire Resistance Very Good Class 1, 5 or less Molded and Pultruded Bespoke Colors 150℃
Type V Vinyl Ester Superior Corrosion Resistance and Fire Retardant Excellent Class 1, 25 or less Molded and Pultruded Bespoke Colors 95℃
Type I Isophthalic polyester Industrial Grade Corrosion Resistance and Fire Retardant Very Good Class 1, 25 or less Molded and Pultruded Bespoke Colors 85℃
Type O Ortho Moderate Corrosion Resistance and Fire Retardant Normal Class 1, 25 or less Molded and Pultruded Bespoke Colors 85℃
Type F Isophthalic polyester Food Grade Corrosion Resistance and Fire Retardant Very Good Class 2, 75 or less Molded Brown 85℃
Type E Epoxy Excellent corrosion resistance and fire retardant Excellent Class 1, 25 or less Pultruded Bespoke Colors 180℃

According to the different environments and applications, chosen different resins, we also could provide some advices!

CASE STUDIES

SINOGRATES@FRP grating is made from high strength fiberglass and premium resin, it is ideal for industrial, marine, and public envoiromentss where safety, durabilty and corrosion resistance, could do a excellent work as below :

Anti-Slip Design :   The concave surface enhance traction, reducing risk in wet, oily or icy conditions. 

High Drainage efficiency: Channels liguids quickly, minimizing standing water and debris buidup. 

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Where the concave surface frp grating should be used

Industrial:  Chemical plants, oil platforms, wastewater treatment walkways.

Marine:   Docks, ship decks, offshore platforms.

Public Infrastructure: Bridges, pedestrian pathways, parking garages.

Specialized:  Food processing facilities, cold storage, mining operations.

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