... DescriptionClear Flower Pattern, Obvious Three-dimension Effect, High Strength, and Excellent Constructive Performance. Specification: 1.Length ... Material: special grade of gypsum (whiteness: >90 degree, breaking strength: 2.7MPa/2 hours, no impurity), fiberglass, hollow ... clear flower pattern, obvious three-dimension effect, high strength, and excellent constructive performance. It is fireproof, ...