FRP Molded Grating 50*50 H50
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Greenlogy TEC
FRP molded grating is a panel with a certain open area, made with unsaturated polyester resin (including isophthalic, orthophthalic, phenolic and bisphenol types) as the framework and formed in custom molds.
Name | Content | Type |
|---|---|---|
Resin | 35% | OFR-25,IFR-25,VEFR-25 |
Glass fiber | 33% | E |
Filler | 31% | ATH,PR |
Others | 1% | --- |
Introduction to raw materials
Resin type
Code | Resin type | Flame retardant performance | Recommended applications |
|---|---|---|---|
MP-5 | Phenolic type | Oxygen index up to approximately 80 | Low toxicity, high flame retardancy; applications where fire safety is critical |
VEFR-25 | Vinyl ester type | Oxygen index 28 and above | Harsh corrosive environments such as acids and alkalis |
VEFR-10 | Vinyl ester type | Oxygen index 35 and above | Acid and alkali environments with high flame retardant requirements and applications requiring good performance |
IFR-25 | Isophthalic type | Oxygen index 28 and above | VEFR economical type, good performance, resistant to moderate acids, alkalis and solvents |
IFGR-30 | Food-grade resin | Oxygen index 26 | Mainly used for meat products and food processing plants |
OFR-25 | Orthophthalic type | Oxygen index 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 type
Code | Coarse grit type | Recommended applications |
E | Alkali-free (E-glass) grit | For high-strength requirements and highly corrosion-resistant applications |
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 highly corrosion-resistant applications |




50*50*50(mm)
Available panel dimensions:
1800*4000,1524*4000,1220*3660,
1220*2440,915*3050 Bi-directional load bearing.
Load-bearing flat bar thickness (top/bottom): 8.0/6.0
Load-bearing flat bar center spacing: 50
Open area: 78%
Approximate weight: 23.7 kgs/m²

Line load (unit: mm)
Deflection | kg/m | kg/m | kg/m | kg/m | kg/m | kg/m | Ultimate |
|---|---|---|---|---|---|---|---|
Span (mm) | 150 | 300 | 450 | 600 | 750 | 1500 | Load |
| 300 | 0.31 | 0.41 | 0.48 | 0.64 | 1.04 | 1.45 | 21727 |
| 600 | 0.51 | 0.81 | 1.23 | 1.75 | 3.33 | 4.27 | 11713 |
| 900 | 1.12 | 2.24 | 3.2 | 5.16 | 6.58 | 13.5 | 7780 |
| 1200 | 1.33 | 2.61 | 5.98 | 9.95 | 11.9 | --- | 5834 |

Uniformly distributed load (unit: mm)
Deflection |
kg/m² |
kg/m² |
kg/m² |
kg/m² |
kg/m² |
kg/m² |
kg/m² |
|---|---|---|---|---|---|---|---|
Span (mm) | 240 | 480 | 980 | 1450 | 2450 | 3650 | 4880 |
| 300 | 0.25 | 0.28 | 0.33 | 0.38 | 0.48 | 0.74 | --- |
| 600 | 0.38 | 0.58 | 0.97 | 1.37 | 2.13 | 4.12 | --- |
| 900 | 1.19 | 2.11 | 3.94 | 5.77 | 9.45 | 18.6 | --- |
| 1200 | 2.41 | 4.93 | 9.96 | 15 | 16.8 | 21.6 | --- |

Features:
Corrosion resistant
Slip resistant
Ergonomic design
Low installation cost
Flame retardant
Lightweight with high bi-directional strength; cut pipes are easier to install.
Uniform color inside and outside; colors can be selected freely.
Delivers favorable social and economic benefits.
Designable, flexible and diverse in size, dimensionally stable
Widely used in:
Greenlogy TEC FRP grating is widely used for industrial stair platforms, floors, stairs, walkways and platforms. Using FRP grating offers many advantages: good weather resistance, low maintenance cost, long service life and good anti-slip performance. In addition, FRP grating is simple, fast and flexible to process and assemble.



Application scenarios
Molded FRP grating is widely used for operating platforms, walkways, stair treads and trench covers in chemical, petroleum, power, wastewater treatment, marine engineering and other fields. Its corrosion resistance, anti-slip performance and high strength-to-weight ratio make it perform well in harsh environments such as damp and acid-alkali conditions.
Selection guide
Selection requires comprehensive consideration of load requirements, span, corrosive environment and fire rating. Different resin types (such as orthophthalic, isophthalic, vinyl ester and phenolic) suit different corrosive media and temperature conditions. Contact us for detailed specifications and selection advice; we will provide a suitable solution based on your operating conditions.
Product advantages
Molded FRP grating features excellent corrosion resistance, high strength-to-weight ratio, anti-slip performance, insulation and maintenance-free operation, with a long service life and simple installation. Compared with traditional metal grating, it can significantly reduce maintenance costs, especially in highly corrosive environments.
Inquiry guidance
For more product information, technical parameters or a quotation, please contact us. Please provide your specific application scenario, dimensional requirements and quantity, and we will provide professional support as soon as possible.
Operating environment
- Molded FRP grating 50*50H50 can be used long-term outdoors in open-air applications such as platforms, walkways and trench covers; its unsaturated polyester resin system combined with E-glass fiber can withstand sun and rain as well as alternating temperature and humidity changes.
- In chemical, electroplating, wastewater treatment and other locations where acid, alkali and salt corrosive media are present, grating with isophthalic, vinyl ester or phenolic resin can be selected according to the medium type to meet the corresponding corrosion resistance and flame retardant requirements.
- In damp areas prone to water accumulation or requiring washing and cleaning, the open-cell structure of molded grating facilitates liquid drainage, making it suitable for use as operating platforms and floor paving material.
- For indoor or semi-enclosed spaces with higher fire safety requirements, high flame-retardant resin models can be selected; please consult us to confirm the selection based on the temperature, medium concentration and flame retardant rating requirements of the specific operating environment.
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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