China Products/Suppliers. 38*38*25mm Plastic Flooring Fiberglass FRP Grating Fiberglass Reinforced Plastic Grating
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
5-9 working days
Brand:
GNEE
Product Description
38×38×25mm Plastic Flooring Fiberglass FRP Grating
When selecting FRP (Fiberglass Reinforced Plastic) Grating, several key parameters determine its suitability for specific applications. Below are the primary parameters to consider:
1. Panel Size and Thickness
- Panel Size: FRP grating is typically available in standard sizes (e.g., 4×12 ft or 3×10 ft), but custom sizes can be manufactured.
- Thickness: Common thicknesses are 1 inch, 1.5 inches, and 2 inches, which influence the grating's load-bearing capacity and strength.
2. Mesh Size (Opening Size)
- Mesh or Grid Pattern: The open space between bearing bars. Typical patterns include square, rectangular, or custom configurations.
- Open Area Percentage: This refers to the percentage of the panel that is open (non-solid), affecting factors like drainage, ventilation, and the amount of light passing through.
- Common mesh sizes include 38mm × 38mm (1.5"×1.5") for general use, or smaller mesh (e.g., 19mm × 19mm) for enhanced safety or minimal deflection.
3. Load Capacity (Deflection Limits)
- Load Rating: Grating should be selected based on its ability to carry uniform and concentrated loads (e.g., 500 lbs per square foot).
- Deflection: Measured in terms of how much the grating flexes under load, typically limited to 1/4" or 1/2" over a span of the grating.
4. Resin Type
- Isophthalic Polyester Resin: Good general-purpose resin with moderate chemical resistance. Suitable for industrial environments.
- Vinyl Ester Resin: Offers superior chemical resistance, especially in highly corrosive environments.
- Orthophthalic Polyester Resin: Standard resin for general use, offering moderate corrosion resistance.
- Phenolic Resin: Flame-retardant and low-smoke emission, ideal for offshore, marine, and tunnel applications.
5. Fire Rating and Flame Spread
- FRP grating can be designed to meet fire safety standards with flame spread ratings (typically measured by ASTM E-84 standards).
- A low flame spread rating (e.g., below 25) is desirable for areas requiring fire retardant materials.
6. Surface Type
- Gritted Surface: Provides a non-slip surface for enhanced safety, especially in wet or oily conditions.
- Smooth Surface: Easier to clean but offers less traction.
- Concave Surface: Offers some grip without the aggressiveness of gritted surfaces.
7. Span and Deflection Requirements
- The span between supports determines the required load-bearing capacity.
- Deflection limits are typically defined as a percentage of the span length (e.g., deflection ≤ L/100 or L/200, where L is the span).
8. Environmental Factors
- Corrosion Resistance: Must withstand environmental factors like exposure to chemicals, saltwater, and UV radiation.
- UV Resistance: Protective coatings may be required for outdoor use to prevent degradation.
9. Electrical and Thermal Properties
- Electrical Conductivity: FRP grating is typically non-conductive, making it suitable for electrical applications.
- Thermal Expansion: FRP has a low thermal expansion coefficient, but temperature changes should be considered.
10. Weight and Density
- Weight: FRP grating is much lighter than steel or aluminum (2 to 5 lbs per square foot).
- Density: Affects the overall mass and ease of handling.
11. Color
- Standard colors include gray, green, yellow, and beige, with custom colors available.
- Color can serve functional purposes, such as improving visibility in safety applications.
12. Compliance and Standards
- ANSI/ASME standards or ASTM D635 testing for flame spread and mechanical properties.
- ASTM E-84: Flame spread classification.
- ASTM D-256: Impact resistance.
FRP Grating Specifications
| Thickness (mm) | Mesh Size (mm) | Bar thickness (up/under) | Hole Size (mm) | Panel Size (mm) | Weight (kg/m²) | Weight (kg/panel) | Load (kg/m²) |
|---|---|---|---|---|---|---|---|
| 25 | 40×40 | 5.5/4.5 | 34×34 | 1220×3660,1000×4040 | 11 | 49.11/44.44 | 150 |
| 38×38 | 7.0/5.0 | 31×31 | 1220×3660,100×4040 | 12.5 | 55.82 | 150 | |
| 20×20/40×40 | 5.8/4.5 | 14.2×14.2 | 1247×4047 | 14.5 | 73.18 | 150 | |
| 30 | 40×40 | 6.0/4.5 | 34×34 | 1220×3660,1000×4040 | 14 | 62.51 | 250 |
| 38×38 | 7.0/5.0 | 31×31 | 1220×3660 | 15 | 66.98 | 300 | |
| 38 | 40×40 | 6.0/4.5 | 34×34 | 1220×3660,1000×4040 1220×4920 | 17.5 | 78.14/70.7/105.14 | 1000 |
| 38×38 | 7.0/5.0 | 31×31 | 1220×3660,100×4040 | 19.5 | 87.07/78.78 | 1200 | |
| 40 | 40×40 | 7.0/5.0 | 33×33 | 1207×3007,1007×3007 | 28 | 101.62/84.79 | 1500 |
| 50 | 50×50 | 7.0/5.0 | 43×43 | 1220×3660,100×4040 | 23 | 102.7/92.92 | 1800 |
| 38×38 | 7.0/5.0 | 31×31 | 1220×3600 | 26 | 116.1 | 3000 | |
| Cover Plate | 3mm | 8 | |||||
| 8mm | 10 |
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Company
Gnee Steel (tianjin) Co., Ltd
Location
No.4-1114, Beichen Building, Beicang Town, Beichen District, Tianjin, China
Contact Person
Zhang