EZHOU ANJEKA TECHNOLOGY CO.,Ltd Anjeka@anjeka.net 86-0711-5117111
| Test Record Sheet | |||||||
| Experiment Name | Sample of carbon black to be formulated into a resin-free color paste | Temperature/Humidity | |||||
| Customer | Conducted by | Mr.Chen | Test Date | Oct.14 2025 | |||
| Objective | |||||||
| Formulation | |||||||
| Solvent | 40 | PMA | |||||
| Dispersant | 15 | 6062A/6062B/6040 | |||||
| Carbon black | 30 | External Sample | |||||
| Make-up solvent is added after grinding | |||||||
| Solvent | 15 | ||||||
| Method | |||||||
| 1.Grind the color paste according to the formulation 2.After the color paste is ground, test its performance properties |
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| Result | |||||||
| Color Paste Testing | |||||||
| Initial | 6040 | 6062A | 6062B | ||||
| Fineness | 15 | 25 | <10 | ||||
| Viscosity | 384 | 288 | 1850 | ||||
| at 60°C for 1 day | 6040 | 6062A | 6062B | ||||
| Fineness | 20 | 25 | <10 | ||||
| Viscosity | 1706 | 1394 | 2812 | ||||
| at 60°C for 3 days | 6040 | 6062A | 6062B | ||||
| Fineness | 20 | 25 | <10 | ||||
| Viscosity | 1154 | 1634 | 2812 | ||||
| Conclusion | |||||||
| Dispersant 6062B demonstrated the highest grinding efficiency and showed the smallest change in stability. It has been recommended for use. | |||||||