| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyacetal resin composition excellent in conductivity, toughness and dimensional accuracy and capable of maintaining excellent toughness for a long time.SOLUTION: There is provided the polyacetal resin composition which contains at least a polyacetal resin (A), carbon black (B), an olefin resin (C) and an ester compound (D) and in which the carbon black (B) is contained in an amount of 5 pts.mass to 30 pts.mass based on 100 pts.mass of the polyacetal resin (A), a dibutyl phthalate oil absorption amount of the carbon black (B) is 100 mL/100 g to 300 mL/100 g, a BET specific surface area of the carbon black (B)by iodine adsorption method is 20 m/g to 100 m/g, volume resistivity measured according to JIS K7194 is 10Ωcm to 10Ωcm and nominal tensile stress at break measured according to ISO527-1 is 15% or more.SELECTED DRAWING: None |
