Items, unit, nominal diameter(mm) , , 250-400 Specific resistance (not over), electrodenipple, .M, 6.55.0 Bending strength (not below), electrode nipple, mpa, 10.0 14.0 Elastic modulus (not over), electrode nipple, gpa, 12.0 14.0 Bulk density (not below), electrode nipple, g/cm3, 1.621.72 Cte(100-600)0c (not over), electrode nipple, 10-6/0c, 2.7 2.5 Ash(not over), electrode nipple, %, 0.30.3 Wood packaging