... , mesh and panel size.Surfaces available include concave top, smooth grating, gritted top, covered with grit, flat or decorative plating, ... etc.Mold resin system for FRP grating products:1) Type O (orthophthalic polyester resin): a) These ... alkali b) Operation temperature: 50 ~ 110°C;4) Type P (phenolic aldehyde): a) Has exceedingly good fire resistance, acid resistance and ...