Fiberglass pultrusion grating 2.0" , T-bar 33% open rate, fire-resistant, UV protection, Chemical resistant, ABS certificate ... :25mm, 38mm, 50mmLoading Bar type: T-bar, I-barOpen rate: 33%, 40%, 50%, 60%Panel size: 1.2x6m or any size ... and technical request. fiberglass pultrusion grating, T-bar 2.0", 33% open rate