Fiberglass pultruded grating 2.0" , T-bar 50% open rate, fire-resistant, ... = 15 for GP, Iso, resin,= 10 for VE,= 0 for phenolic,Smoke development index: = 310 for GP, ISO, ... VE,= 0 for PhenolicCovered grating: with 3-10mm FRP plate molded ... China. And Scale is also No1-2 in China.About Service: Professional exporting service from the Chemical Engineer sales manager ...