November 14, 2025
 EZHOU ANJEKA TECHNOLOGY CO.,Ltd professional Additive supplier |
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| Dispersant Test Sheet | |||||||
| Test Nane | Dispersant Selection for Two Red Pigments | ||||||
| Test Start Date | 2025.05.16 | Test End Date | 2025.05.30 | ||||
| This test evaluates the viscosity reducion and storage stabity of Anjeka dispersants (6070, 6270A, 6272, 6220, 6210) in two pigments: Red HR200and a customer-supplied transparent iron oxide red. | |||||||
| Formulations for Water-Based, Resin-Free Paste | |||||||
| HR200 | |||||||
| Raw Material | 6070 | 6270A | 6272 | ||||
| Water | 22.4 | 27.4 | 27.4 | ||||
| S09 | 15 | 15 | 15 | ||||
| 7414 | 0.1 | 0.1 | 0.1 | ||||
| Dispersant | 6 | 8 | 8 | ||||
| Red 4BP | 20 | 20 | 20 | ||||
| Transparent Iron Oxide Red | |||||||
| Raw Material | 6070 | 6270A | 6272 | 6220 | 6210 | ||
| Water | 27.4 | 27.4 | 27.4 | 27.4 | 27.4 | ||
| S09 | 15 | 15 | 15 | 15 | 15 | ||
| 7414 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| Transparent Iron Oxide Red | 50 | 50 | 50 | 50 | 50 | ||
| Dispersant | 8 | 8 | 8 | 8 | 8 | ||
| Methods and Procedures | |||||||
| 1.Prepared each paste according to the formulations 2.Add glass beads equal to 1.2 times the paste volume and shake for 3 hours using a paint shaker. 3.Measure the fineness of grind. Once it meets the specification, filter out the glass beads. 4.Measure the viscosity. 5.Place the samples in a 50°C oven for accelerated storage. |
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| Result | |||||||
| Red HR200 | |||||||
| 6070 | 6270A | 6272 | Result | ||||
| Viscosity（mpa.s） 25℃ |
194 | 13792 | 34807 | 6070 demonstrates superior viscosity reduction compared to 6270A and 6272. | |||
| Fineness （μm） |
≤17.5 | ≤17.5 | ≤17.5 | ||||
| Transparent Iron Oxide Red | |||||||
| 6070 | 6270A | 6272 | 6220 | 6210 | Result | ||
| Viscosity（mpa.s） 25℃ |
no flow | no flow | no flow | no flow | 3569 | 6210 showed the better viscosity reduction and achieves a qualified fineness | |
| Fineness （μm） |
≤40 | ≤40 | ≤40 | ≤40 | ≤17.5 | ||
| Storage stability test(accelerated storage at 50 ℃) | |||||||
| stored for 4 days | |||||||
| HR200 Red | |||||||
| 6070 | 6270A | 6272 | Result | ||||
| Viscosity（mpa.s） 25℃ |
200 | 11383 | 29553 | 6070 demonstrates superior viscosity reduction compared to 6270A and 6272. | |||
| Fineness （μm） |
≤17.5 | ≤17.5 | ≤17.5 | ||||
| Transparent Iron Oxide Red | |||||||
| 6210 | |||||||
| Viscosity（mpa.s） 25℃ |
5689 | ||||||
| Fineness （μm） |
≤17.5 | ||||||
| Conlusion | |||||||
| In HR200 Red, 6070 provides superior viscosity reduction and stabilization compared to 6270A and 6272. In transparent iron oxide red,6210 showed the best viscosity reduction.6210 demonstrates the best viscosity reduction performance in transparent iron oxide red. |
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