Pultruded Grating T-3320

Pultruded Grating T-3320

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Greenlogy TEC

  Pultruded FRP grating is made using pultruded "I"- and "T"-shaped profiles as load-bearing bars and solid tubes or rods as connecting rods, assembled through a defined assembly process, with gaps left in the panel surface.  

Name

Contact Information

Type

Resin

25%

OFR-25,IFR-25,VEFR-25

Glass Fiber

65%

E

Filler

8%

ATH,PR

Other

2%

---

Raw Material Introduction 
Resin Type

Code

Resin Type

Flame Retardancy

Recommended Applications

MP-5

Phenolic Type

Oxygen index can reach approximately 80

Low toxicity and high flame retardancy; suitable for applications with high fire safety requirements

VEFR-25

Vinyl Ester Type

Oxygen index of 28 and above

Harsh environments with strong acid, alkali and other corrosive media

VEFR-10

Vinyl Ester Type

Oxygen index above 35

Strong acids, strong alkalis and applications with better service conditions where higher flame retardancy is required

IFR-25

Isophthalic Type

Oxygen index of 28 and above

VEFR economical type, good performance, resistant to moderate acids, alkalis and solvents

IFGR-30

food-grade benzene type

oxygen index 26

mainly used for meat products and food processing plants

OFR-25

orthophthalic type

Oxygen index of 28 and above

general acid and alkali environments

OCR

orthophthalic type

oxygen index below 28

OFR-25 economical type, no flame-retardant requirement

selection of coarse glass fiber  

Code

coarse sand type

Recommended Applications

E

E-glass sand

for applications requiring high strength and high corrosion resistance

selection of filler type 

Code

filler type

Recommended Applications

ATH

aluminum hydroxide

flame-retardant, smoke-suppressing and corrosion-resistant applications

PR

no filler, pure resin

for high corrosion resistance applications

Software - Three-column example 1

sand surface
Software - Three-column example 2

Smooth surface
Software - Three-column example 3

Anti-slip grooved surface

T3320

Standard panel size:
1220mm, 915mm wide; 3050mm, 6100mm long
Bearing bar: 50mm
Open area: 33%

Approx. weight (incl. three-core [source unclear]): 20.27kg/m²
Diagram of a concentrated line load applied to a pultruded fiberglass grating panel

Line load (unit: mm)

Spacing

kg/m

kg/m

kg/m

kg/m

kg/m

kg/m

Ultimate

(mm)

300450750150030005950

Load

600---0.250.511.021.783.316876
9000.510.761.272.294.579.47492
12001.021.522.294.839.9119.64215
15001.782.794.579.1418.336.62696
Diagram of a uniformly distributed load across a pultruded fiberglass grating panel

Uniformly distributed load (unit: mm)

Spacing

kg/m²

kg/m²

kg/m²

kg/m²

kg/m²

kg/m²

Ultimate

(mm)

1000190039007000950019500

Load

6000.250.510.761.522.034.0655368
9000.761.523.055.597.731536895
12002.294.579.4---------27659
150059.91------------22137

Features:

  • Flame retardant

  • High flame retardancy

  • Low smoke and low-toxicity gas emission

  • High strength-to-weight ratio

  • Corrosion resistant

  • Low maintenance

  • Anti-slip

  • Electrical and thermal insulation

  • Easy to fabricate

  • Impact resistance 

  • UV resistance

  • Maintenance-free

Installation and accessories 

Installation and accessories

Application scenarios

Pultruded grating T-3320 is suitable for industrial platforms, walkways, trench covers and equipment operating surfaces where load-bearing and corrosion resistance are required. If your operating conditions involve specific media, temperatures or load conditions, please contact us to discuss your specific service environment.

Selection guidance

When selecting, factors such as resin type (e.g. orthophthalic, isophthalic, vinyl ester or phenolic), load bar specifications, grating thickness and mesh size, as well as installation support span, should be considered comprehensively. Please inform us of your service environment and load-bearing requirements, and we will help you confirm a suitable configuration.

Product advantages

Pultruded grating uses pultruded profiles as load bars, offering high longitudinal strength and stiffness, light weight, corrosion resistance, ease of cutting and installation, and reduced maintenance requirements. Compared with traditional metal grating, it is more adaptable in corrosive environments such as humid, acid and alkaline conditions.

Inquiry guidance

For detailed specifications, resin system options and quotation information for pultruded grating T-3320, please contact us and we will provide corresponding support based on your project requirements.

Custom Cutting

Need panels that fit, or cut to shape? We custom cut FRP grating and profiles to your drawing: panels cut to size or to shape (corner cuts, cutouts), cut edges sealed with resin, and pre-cut and pre-drilled to drawing before shipping. See the custom cutting services.