... , shock proof, crack proof, sound insulation, save 15%~30% construction cost. Test item National standardTest result Weight ... Alkali fiber glass, Plant fiberSpecificationLength: Raw Raw materials: Magnesium Oxyde, Magnesium Chloride, Mid-Alkali fiber glass, Plant fiberSpecificationLength: 1 ... and practical, use in building partiton normally save 15%~30% construction cost.6. Water and electricity pipe ...