# FRP Resin & Corrosion Notes

![FRP resin and corrosion notes for drainage and chemical areas](https://qymetaltech.com/wp-content/uploads/2026/05/frp-trench-covers-3.webp) 





Technical resource

Choose resin direction by chemical exposure,   
wet service, temperature and UV,   
before confirming FRP grating details.



Resin selectionCorrosion notesWet service

 

 

 **Send exposure details**

- Chemical name and concentration
- Temperature and cleaning method
- Wet, splash or submerged service
- Outdoor, UV or salt exposure

 

 













FRP corrosion review

## Choose resin direction by exposure, not only panel size

FRP grating resin should be reviewed together with chemical exposure, concentration, temperature, cleaning method, UV or salt conditions and whether the panel is only splashed or continuously wet. This page helps buyers send the right corrosion data before QY Metal Tech confirms molded FRP grating, trench covers or car wash floor panels.



 [Send Corrosion Details](https://qymetaltech.com/contact/#rfq) [Download FRP RFQ Checklist PDF (PDF · English · 2 KB)](https://qymetaltech.com/wp-content/uploads/2026/05/QY-Metal-Tech-FRP-Grating-Selection-RFQ-Checklist.pdf) 

 



 **Send these before resin review**

- Chemical name, concentration and pH range
- Working temperature and cleaning chemicals
- Splash, washdown, intermittent wet or submerged service
- Outdoor UV, salt spray, color and fire standard needs
 
 

 



## Resin direction by corrosive environment

Use this matrix as a pre-selection guide. Final resin direction should be checked against the real project exposure data and the application page.



 

| General wet service | Common wet walkways, drainage floors and light washdown areas usually start with standard polyester or project-specific equivalent resin review.*Typical pages: [molded FRP grating](https://qymetaltech.com/molded-frp-grating/), [FRP trench covers](https://qymetaltech.com/frp-trench-covers/).* |
|---|---|
| Wastewater and drainage | Send wastewater type, cleaning cycle, panel location, ventilation and whether the grating stays continuously wet or is periodically washed down.*Useful for trench covers, drainage platforms and maintenance walkways.* |
| Chemical rooms | List chemical names, concentration, temperature and spill frequency. Vinyl ester or higher corrosion-resistance resin direction may be reviewed for stronger chemical exposure.*Do not confirm resin only from the product name; concentration and temperature change the choice.* |
| Marine or outdoor | Confirm salt spray, UV exposure, color expectation and whether stainless steel clips or special fasteners are needed for long-term outdoor service.*Surface and fastener choice should be reviewed together with resin.* |
| Fire or smoke requirement | If the project has flame spread, smoke density or local code requirements, send the target standard before quotation. Fire-retardant resin direction can then be discussed with the application and quantity.*This is especially important for public access, enclosed areas and local compliance projects.* |

 

 



## Corrosion review checklist for RFQ





 **Exposure data**Tell us what the panel touches and how often.

- Chemical name and concentration
- pH range and temperature
- Splash, drip, washdown or immersion
 
 



 **Panel conditions**Resin is only one part of the FRP selection.

- Thickness such as 25, 30, 38 or 50 mm
- Mesh size, span and expected load
- Concave, gritted or covered-top surface
 
 



 **Project details**Help us quote the right product family.

- Panel drawings or trench opening size
- Indoor, outdoor, marine or wastewater area
- Quantity, packing and destination port
 
 

 



Note: resin notes on this page are for RFQ preparation and product discussion. For harsh chemical exposure, final confirmation should be based on chemical name, concentration, temperature, exposure time and project standard.

 



## Project-style FRP corrosion references

These examples show the kind of wet or corrosive service information that should be attached when asking for resin review.



 

 ![FRP trench covers for wet drainage and corrosive areas](https://qymetaltech.com/wp-content/uploads/qymt-img-20261017/qymt-frp-trench-covers-07.webp) 

Drainage and wastewater trench cover review

 

 

 ![Car wash FRP grating in wet washdown area](https://qymetaltech.com/wp-content/uploads/qymt-img-20261017/qymt-car-wash-frp-grating-07.webp) 

Car wash floor with continuous washdown

 

 

 ![Outdoor FRP grating platform with marine and UV exposure](https://qymetaltech.com/wp-content/uploads/2026/05/qymt-home-hero-frp-grating-marine-platform-latest.jpg) 

Outdoor, UV and salt exposure discussion

 

 

 



## Continue FRP selection



 [**FRP Selection Guide**Choose thickness, mesh, span, resin and surface together.](https://qymetaltech.com/resources/frp-grating-selection-guide/) [**Anti-slip Surface Notes**Compare concave, gritted and covered-top surfaces for wet access.](https://qymetaltech.com/resources/frp-anti-slip-surface-notes/) [**FRP Panel RFQ Checklist**Prepare drawings, panel size, resin, surface, quantity and packing.](https://qymetaltech.com/resources/frp-panel-rfq-checklist/) 

 

 

 







## Related project references

Supplied projects with the same product type — application, specification and quantity.



[**Thailand wastewater plant · FRP***→*](https://qymetaltech.com/projects/#selected-project-references)[**FRP car wash flooring***→*](https://qymetaltech.com/projects/#wet-corrosive-areas)

[All project references →](https://qymetaltech.com/projects/)











Product and RFQ path

## Use this guide to move into the right product page

Use the FRP selection guide to continue into molded grating, trench cover or RFQ pages with resin, thickness and environment details ready.

 



 [**Molded FRP Grating**Confirm thickness, mesh size, resin and surface.](https://qymetaltech.com/molded-frp-grating/)[**FRP Trench Covers**Use for drainage channels and corrosive trench areas.](https://qymetaltech.com/frp-trench-covers/)[**FRP Grating Products**Return to the FRP product family.](https://qymetaltech.com/products/#frp-grating-fiberglass-flooring)[**Send Project RFQ**Send resin, span, load and drawings.](https://qymetaltech.com/contact/#rfq) 

 







Technical downloads

## Download project documents

Open the PDF references or download the editable specification for your project.



[**FRP Chemical Service Screening Guide**FRP resin selection · PDF · Rev. 2026-07-24 · 643 KBDownload](https://qymetaltech.com/wp-content/uploads/2026/07/qymt-frp-chemical-service-screening-guide.pdf)

Source: https://qymetaltech.com/resources/frp-resin-corrosion-notes/