Cellulose-fiber-dispersing polyolefin resin composite material

A cellulose-fiber-dispersing polyolefin resin composite material, comprising:

• a polyolefin resin;
• a cellulose fiber dispersed in the polyolefin resin, and
• aluminum dispersed in the polyolefin resin,
• wherein the content of the cellulose fiber is 3 mass % or more and less than 70 mass %, and
• wherein when the composite material is subjected to the abrasion test according to ISO 6722 under the following test conditions, the amount of abrasion after 5,000 reciprocations satisfies the following formula:
• (Amount of abrasion [mm] of the cellulose-fiber-dispersing polyolefin resin composite material)/(Amount of abrasion [mm] of simple substance of the polyolefin resin composing the cellulose-fiber-dispersing polyolefin resin composite material [mm])<−0.01×(Cellulose effective mass ratio of the cellulose-fiber-dispersing polyolefin resin composite material)+1, [Formula 2]
• [Test conditions for abrasion test]
• Load:
• 1.7 kg, Needle diameter:
• φ0.45 mm, Stroke length:
• 10 mm, Period:
• 60 reciprocations/min, Test piece:
• length 38 mm×width 6 mm×thickness 1 mm, Temperature:
• 23° C.