Items | D ( 1.6-2. 5)mm | D (3.0-5.0)mm |
Classification | 3A | 4A | 5A | 13X | 3A | 4A | 5A | 13X |
Grade | I | II | I | II | I | II | I | II | I | II | I | II | I | II | I | II |
Static water adsorption / % ≥ | 21.0 | 19.0 | 22.0 | 20.0 | 21.0 | 20.0 | 26.0 | 24.0 | 21.0 | 19.0 | 22.0 | 20.0 | 21.0 | 20.0 | 26.0 | 24.0 |
Wear rate / % ≤ | 0.25 | 0.50 | 0.20 | 0.60 | 0.10 | 0.20 | 0.10 | 0.50 | 0.25 | 0.50 | 0.20 | 0.60 | 0.10 | 0.20 | 0.10 | 0.50 |
Particle Rate / % ≥ | 98.0 | 96.0 | 98.0 | 90.0 | 96.0 | 95.0 | 98.0 | 90.0 | 98.0 | 96.0 | 98.0 | 90.0 | 96.0 | 95.0 | 98.0 | 90.0 |
Bulk density / (g/mL) ≥ | 0.75 | 0.65 | 0.68 | 0.65 | 0.66 | 0.62 | 0.64 | 0.59 | 0.75 | 0.65 | 0.68 | 0.65 | 0.66 | 0.62 | 0.64 | 0.59 |
Static formaldehyde adsorption / % ≥ | ----- | 15.0 | 14.0 | ------ | ------ | ------ | 15.0 | 14.0 | ------ | ------ |
Static CO2 Adsorption (0℃±1℃) ≥ | ------ | ------ | ------ | 20.0 | 18.0 | ------ | ------ | ------ | 20.0 | 18.0 |
Static CO2 Adsorption (25℃±1℃) ≥ | ------ | ------ | ------ | 18.5 | 16.5 | ------ | ------ | ------ | 18.5 | 16.5 |
Crushing strength | Crushing strength (N/PC) ≥ | 85.0 | 55.0 | 35.0 | 30.0 | 30.0 | 25.0 | 30.0 | 20.0 | 100.0 | 60.0 | 80.0 | 60.0 | 70.0 | 60.0 | 85.0 | 65.0 |
Relative standard deviation of crushing strength ≤ | 0.3 | 0.3 | 0.3 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.3 |
Moisture / % ≤
| 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
Static ethylene adsorption / (mg/g) ≤ | 3.0 | ------ | ------ | ------ | 3.0 | ------ | ------ | ------ |
Dynamic water adsorption / % ≥ | 2.0 | ------ | ------ | ------ | 2.0 | ------ | ------ | ------ |
Static hexane adsorption % ≥ | ------ | ------ | 12.5 | 11.0 | ------ | ------ | ------ | 12.0 | 10.5 | ------ |
Identity | Off white, off yellow or earthy red spherical particles without impurities |
