Chemical Resistance Guide
Get detailed tables on chemical compatibility based on resin manufacturers’ data, including maximum allowable concentrations and temperatures.
Download GuideBedford’s PROGrid High Load Capacity (HLC) molded FRP grating is high-strength, corrosion-resistant and low-maintenance — just like our PROGrid molded grating products. Plus, it’s engineered to carry higher loads than steel grating and other traditional types. Our molded HLC grating is available in 4' x 6' panels with 1 1/2" and 2" thicknesses and comes in GPFR, IFR and VFR resin systems in standard gray.
PROGrid HLC molded grating is available in three resin systems, each providing different levels of corrosion protection. All three resin systems meet Class 1 Flame Spread Rating per ASTM E-84 test standards.
GPFR: A general-purpose orthophthalic polyester resin system that offers good corrosion resistance at an economical price.
IFR: A premium-grade isophthalic polyester resin system that provides excellent corrosion protection.
VFR: A vinylester resin system that provides the highest level of corrosion protection.
Allowable Spans for |
Wheel Load (lb) |
Load Distribution |
Allowable Span in Inches |
||
Parallel |
Perpendicular |
1.5″ Deep HLC |
2″ Deep HLC |
||
AASHTO Standard Truck4 |
20,800 |
20″ + 4″ |
8″ |
1′-2″ |
1′-5″ |
Automobile Traffic |
2,220 |
8″ + 4″ |
8″ |
2′-2″ |
2′-8″ |
5 Ton Capacity Forklift |
13,480 |
11″ + 4″ |
11″ |
1’1″ |
1′-5″ |
3 Ton Capacity Forklift |
8,730 |
7″ + 4″ |
7″ |
1’0″ |
1′-4″ |
1 Ton Capacity Forklift |
3,425 |
4″ + 4″ |
4″ |
1’7″ |
2′-1″ |
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Get detailed tables on chemical compatibility based on resin manufacturers’ data, including maximum allowable concentrations and temperatures.
Download Guide