Pultruded Grating I-4015
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Greenlogy TEC
Pultruded FRP grating is made with pultruded "I"-type and "T"-type profiles as load-bearing bars and solid tubes or rods as connecting rods, fabricated through a specific assembly process, with gaps left in the panel surface.
Name | Content | Type |
|---|---|---|
Resin | 25% | OFR-25,IFR-25,VEFR-25 |
Glass fiber | 65% | E |
Filler | 8% | ATH,PR |
Other | 2% | --- |
Code | Resin type | Flame retardant performance | Recommended applications |
|---|---|---|---|
MP-5 | Phenolic type | Limiting oxygen index up to about 80 | Low toxicity and high flame retardancy, for applications with high fire safety requirements |
VEFR-25 | Vinyl ester type | Limiting oxygen index 28 and above | Harsh corrosive environments such as acids and alkalis |
VEFR-10 | Vinyl ester type | Limiting oxygen index 35 and above | Acid and alkali environments requiring high flame retardancy and good performance |
IFR-25 | Isophthalic polyester type | Limiting oxygen index 28 and above | VEFR economical type, good performance, resistant to moderate acids, alkalis and solvents |
IFGR-30 | Styrene-based, food grade | Oxygen index 26 | Mainly used for meat products and food processing plants |
OFR-25 | Orthophthalic type | Limiting oxygen index 28 and above | General acid and alkali environments |
OCR | Orthophthalic type | Oxygen index below 28 | OFR-25 economical type, no flame retardancy requirement |
Coarse glass fiber selection
Code | Coarse grit type | Recommended applications |
E | Alkali-free (E-glass) grit | For high-strength requirements and highly corrosion-resistant applications |
Filler type selection
Code | Filler type | Recommended applications |
|---|---|---|
ATH | Aluminum hydroxide | Flame-retardant, smoke-suppressing and corrosion-resistant applications |
PR | No filler, pure resin | For highly corrosion-resistant applications |




Standard panel sizes:
Width 1220 mm, 915 mm; length 3050 mm, 6100 mm
Load-bearing flat bar: 38 mm
Open area: 40%
Approx. weight (incl. three-core strand): 22 kg/m²

Line load (unit: mm)
Spacing | kg/m | kg/m | kg/m | kg/m | kg/m | kg/m | Limit value |
|---|---|---|---|---|---|---|---|
(mm) | 300 | 450 | 750 | 1500 | 3000 | 5950 | Load |
| 450 | 0.12 | 0.25 | 0.51 | 0.76 | 1.52 | 2.79 | 26215 |
| 600 | 0.29 | 0.51 | 1.02 | 1.78 | 3.05 | 5.84 | 19661 |
| 900 | 1.02 | 1.27 | 2.29 | 5.32 | 9.38 | 17.8 | 12705 |
| 1200 | 2.95 | 3.59 | 5.57 | 9.4 | 19.1 | 38.9 | 9086 |

Uniform load (unit: mm)
Spacing | kg/m² | kg/m² | kg/m² | kg/m² | kg/m² | kg/m² | Limit value |
|---|---|---|---|---|---|---|---|
(mm) | 1000 | 1900 | 3900 | 7000 | 9500 | 19500 | Load |
| 450 | 0.25 | 0.45 | 0.76 | 1.67 | 2.42 | 4.83 | 114645 |
| 600 | 0.61 | 1.18 | 2.32 | 4.59 | 5.96 | 9.62 | 64506 |
| 900 | 1.92 | 3.79 | 6.33 | 11.2 | 15.5 | --- | 27757 |
| 1200 | 4.96 | 9.64 | --- | --- | --- | --- | 14905 |
Features:
Flame retardant
High flame retardancy
Low smoke and low toxicity emissions
High strength-to-weight ratio
Corrosion resistant
Low maintenance
Anti-slip
Electrical and thermal insulation (non-conductive)
Easy to process
Impact resistance
UV resistance
Maintenance-free
Installation and accessories

Applications
Pultruded Grating I-4015 is assembled with pultruded "I"-shaped load-bearing bars and solid tubes or rods as connecting rods, suitable for platforms, walkways, trench covers and various industrial operating surfaces that require load-bearing capacity and corrosion resistance. In chemical, water treatment, electroplating, marine and general corrosive media environments, different resin systems can be selected according to specific working conditions. Please contact us to describe your operating environment so we can confirm a suitable solution.
Selection guide
When selecting, it is recommended to first clarify the medium type and concentration, ambient temperature, load type and installation support span, and then choose the resin type (such as phenolic type, vinyl type, etc.) as well as grating thickness and load-bearing bar spacing accordingly. Different resins have different emphases in flame retardancy and corrosion resistance. Please contact us for specific specifications and load data.
Product advantages
Pultruded grating uses continuous pultruded profiles as load-bearing units and features light weight, high strength, corrosion resistance, non-conductivity and maintenance-free performance. It is easy to cut and install on site and can reduce later maintenance costs. Its surface can be made slip-resistant to improve walking safety. For detailed performance information, please contact us.
Inquiry guidance
If you would like to know the detailed specifications, resin options, load-bearing capacity and quotation of Pultruded Grating I-4015, please contact us and provide your operating conditions and dimension requirements. We will recommend a suitable solution and provide a quotation.
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.
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