... 3.Sound insulation, 4.Fire resistance 5.Heat proof China AAC Plant supplied high quality AAC block and AAC brickPhotos : Specification :1. ... light heat-preserving,siliceous 17. Brick Raw Material: Sand or Fly Ash18. Automatic: Yes19 AAC line working ways: full ... a new wall with the function of safety and environmental protection, solid, light, thin, high strength, impact resistance, hanging-resistant, ...