{
  "$type": "site.standard.document",
  "description": "There are disclosed a friction material composition which comprises a fibrous material except for asbestos, an inorganic friction regulator, an organic friction regulator and a binder, part of the inorganic friction regulator is alpha alumina and gamma alumina in combination, a weight ratio of the…",
  "path": "/patents/1081404",
  "publishedAt": "2004-12-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T1/08",
    "HITACHI CHEMICAL CO LTD [JP]"
  ],
  "textContent": "There are disclosed a friction material composition which comprises a fibrous material except for asbestos, an inorganic friction regulator, an organic friction regulator and a binder, part of the inorganic friction regulator is alpha alumina and gamma alumina in combination, a weight ratio of the alpha alumina and the gamma alumina, alpha alumina: gamma alumina, is in the range of 1:20 to 1:5, and part or whole part of the binder is a silicon-containing phenol resin, and a friction material obtained by molding the friction material composition under heating and pressure.",
  "title": "Friction material composition and friction material using the same"
}