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  • 专利标题:   Fireproof door includes door core comprising magnesium oxide, magnesium sulfate, graphene, fiberglass, silica powder, alumina, phosphoric acid, and water.
  • 专利号:   CN107939245-A
  • 发明人:   ZHENG R
  • 专利权人:   ZHENG R
  • 国际专利分类:   C04B111/28, C04B028/10, E06B003/70, E06B005/16
  • 专利详细信息:   CN107939245-A 20 Apr 2018 E06B-005/16 201840 Pages: 4 Chinese
  • 申请详细信息:   CN107939245-A CN11103180 07 Nov 2017
  • 优先权号:   CN11103180

▎ 摘　　要

NOVELTY - A fireproof door comprises a pair of panels, and a door core between the panels. The door core comprises 105-125 pts. wt. magnesium oxide, 80-100 pts. wt. magnesium sulfate, 4-8 pts. wt. graphene, 3-7 pts. wt. fiberglass, 0.1-0.5 pts. wt. silica powder, 0.2-0.4 pts. wt. alumina, 0.05-0.15 pts. wt. phosphoric acid, and 20-40 pts. wt. water. USE - A fireproof door. ADVANTAGE - The door has improved strength, flame retardance, hardness, temperature strength, and heat resistance.