... have 6 lines,two for hollow sheet,two for slid sheet,one for corrugated sheet,one for PC profile. 3) ... the same thicknessof glass, and the weight of Solid PC sheet is about half at the same thickness.4. ... same thickness of glass, and the impact strength of Solid sheet is 200 times than that of glass.5. Inhibiting ... value of glass is 1.2 times that of Solid sheet, and is 1.7 times that of Hollow profile ...