... material 3)good quality with short time delivery 4)10 year guarante lexan sheet,Polycarbonate Roof SheetsFeatures ... toughened glass; 20--30 times of PMMA sheet 4) Fire retardance: Grade B2, according to ... -1120 mm3) Length: according to requirements4) Color: transparent-blue, transparent-green, brown, opalescentNote: All above are regular. ... vegetables, animals and poultry,etc.. high quality lexan sheet