... 3.Sound insulation, 4.Fire resistance 5.Heat proof China AAC Plant supplied high quality AAC block ... CE 16. New light heat-preserving,siliceous 17. Brick Raw Material: Sand or Fly Ash18. Automatic: Yes19 ... , impact resistance, hanging-resistant, earthquake resistant, fireproof, moisture proof, sound insulation, heat insulation, insect prevention, mothproofing, low ... high quality AAC block and AAC brick