Item name | N326 | N660 | N339 | N375 | N330 | N234 |
Iodine absorption value g/kg | 82±6 | 36±5 | 90±6 | 90±6 | 82±6 | 120±7 |
DBP absorption value 10-5m3/kg | 72±6 | 90±5 | 120±7 | 114±6 | 102±6 | 125±7 |
DBP Absorption Value of Compressed Sample 10-5m3/kg | 62~74 | 69~79 | 93~105 | 90~102 | 82~94 | 96~108 |
Adsorption Specific Surface Area of CTAB 103m2/kg | 74~86 | 31~43 | 86~98 | 89~101 | 73~85 | 109~125 |
Surface area 103m2/kg | 70~82 | 29~39 | 82~94 | 85~97 | 69~81 | 105~119 |
Total surface area 103m2/kg | 72~84 | 30~40 | 85~97 | 86~100 | 72~84 | 112~126 |
Coloring strength % | 103~119 | ¬ | 103~119 | 107~121 | 96~112 | 115~131 |
PH value | 8±2.0 | 8±2.0 | 8±2.0 | 8±2.0 | 8±2.0 | 8±2.0 |
Heating decrement %≤ | 2 | 1.5 | 2 | 2 | 2 | 2.5 |
Ash content %≤ | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 |
45μm residue on sieve mg/kg≤ | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
500μm residue on sieve mg/kg≤ | 10 | 10 | 10 | 10 | 10 | 10 |
Impurity substance | Nothing | Nothing | Nothing | Nothing | Nothing | Nothing |
Fines content %≤ | Bulk 7/Packagin g 10 | Bulk 7/Packagin g 10 | Bulk 7/Packagin g 10 | Bulk 7/Packagin g 10 | Bulk 7/Packagin g 10 | Bulk 7/Packagin g 10 |
Pour density(kg/m3) | 445±40 | 440±40 | 345±40 | 345±40 | 380±40 | 320±40 |
300% stretching stress Mpa | -3.5±1.5 | -2.2±1.5 | 1.0±1.5 | 0.5±1.5 | -0.5±1.5 | 0.0±1.5 |