| 摘要 |
<p>The present invention is to provide a material for protecting a waterproof layer to secure flexibility of polyethylene and intensity characteristics of polypropylene simultaneously and to effectively protect the waterproof layer against an external force, an impact, and a load during the construction of the protecting material, and a producing method and installing method thereof. Disclosed is the material for protecting the waterproof layer, comprised of the component of polyethylene, polypropylene, azodicarbonamide foaming agent, and a master batch, and the producing method and installing method thereof.</p> |
