EZHOU ANJEKA TECHNOLOGY CO.,Ltd

​     EZHOU ANJEKA TECHNOLOGY CO.,Ltd professional Additive supplier 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. 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.

EZHOU ANJEKA TECHNOLOGY CO.,Ltd                                  Professional Additive supplier Dispersant Test feedback Sheet Test Nane This test evaluates the performance of Anjeka dispersants (6070, 6272, 6270A) in a Phthalocyanine Blue paste, focusing on viscosity reduction and storage stability. Test Start Date   Test End Date     Formulations 6070 Formulation     6272 Formulation         Water 42.8   Water 42.8       S09 3   S09 3       6070 14   690W 14       7414 0.2   7414 0.2       Phthalocyanine Blue 40   Phthalocyanine Blue 40         6270 Formulation     Formulation with 6070/6272 Blend (1:1)         Water 42.8   Water 42.8       S09 3   S09 3       6070 14   2466 14       7414 0.2   7414 0.2       Phthalocyanine Blue 40   Phthalocyanine Blue 40       Methods and Procedures Fineness All the above formulations exhibited a fineness of grind below 15 μm. Viscosity The 6070 and the 6070:6272 (1:1) blend formulations appeared more fluid, while the others appeared more viscous. (Note: This is a visual observation and may be influenced by material characteristics.)     6070 6272 6270A 6070:6272 (1:1) blend Viscosity ranking 6070≈6070：6272（1：1）＜6270A≈6272       Color (Color Development, Floating & Flooding）   Accelerated Storage Stability Test (at 50°C) 7days The 6070 formulation exhibits thixotropy and thins out upon agitation The 6070:6272 (1:1) blend showed no abnormal changes. The 6272 formulation thinned and became flowable after standing. The 6270A formulation remained stable (no abnormal changes); however, it was non-fluid.               Viscosity ranking 6070≈6070：6272（1：1）＜6270A≈6272       Fineness The 6270A formulation turned gritty, while all other formulations met the fineness specification of

Ezhou Anjeka Technology Co. Ltd                                                                                                              Professional additive supplier Dispersant Test Feedback Sheet Test Name Evaluation of Anjeka Dispersants in Silica Micro-powder Pastes Across Various Resin Systems Test Date 2025/1/3     Dispersants tested in this study:6501A,6910A,6111,6110,6501,6500-50,6976.0301 Formulation Raw material 6501A 6501 6110 6976 0301 Resin 57 57 57 57 57 Mixed solvent (Xylene : PMA : Butyl acetate = 1:1:1) 12 12 12 12 12 Dispersant 0.375 0.375 0.75 0.75 0.75 Silica Micro-powder 81 81 81 81 81 Total 150 150 150 150 150 The dosage of 6501A、6910A、6111 and 6501 was halved due to their 100% solid content. Method and Procedure 1.Add all above materials according to the formulation and stir at a speed of 2000 rpm for 5 minutes. 2.When the temperature has stabilized uniformly, measure the viscosity of the above formulations. Viscosity Epoxy Resin System（601） Dispersant Dispersant Viscosity mpa/s（8℃） Dispersant Viscosity mpa/s（8℃） 6910A 6501A 9807 6501A 9045 6110 6910A 8236 6910A 4570 6500-50 6111 10508 6111 6141 6976 6110 13139 6110 6665 0301 6501 9616 6501 7617 In this system, 6500-50 demonstrates the best viscosity reduction performance. 6500-50 8474 6500-50 6236 6976 7188 6976 6427 0301 81436 0301 6379 In this system, 6976 demonstrates the best viscosity reduction performance. In this system, 6910A demonstrates the best viscosity reduction performance. Alkyd Resin（3355） Dispersant Dispersant Viscosity mpa/s（8℃）     6501A 6501A 6046     6910A 6910A 8742     6111 6111 5475     6110 6110 4761     6501 6501 4951     6500-50 6500-50 4856     6976 6976 3666     0301 0301 4046     In this system, both 6500-50 and 6111 demonstrate the best and identical viscosity reduction performance. In this system, 6976 demonstrates the best viscosity reduction performance.   Viscosity After 48 hr at 50°C Epoxy Resin System（601） Dispersant Dispersant Viscosity mpa/s（15℃） Dispersant Viscosity mpa/s（15℃） 6910A 6501A 10616 6501A 9902 6110 6910A 6950 6910A 4046 6500-50 6111 11568 6111 5141 6976 6110 13187 6110 5055 0301 6501 13390 6501 5665 In this system, 6500-50 demonstrated the best overall performance in terms of viscosity reduction and sedimentation prevention. 6500-50 11616 6500-50 5237 6976 6570 6976 5570 0301 46698 0301 4713 2-mm Layer Separation: 6500-50, 0301, 6110 No Layer Separation: 6976, 6910A Sediment: Soft (6500-50, 6910A); None (all others) In this system, 6976 demonstrated the best viscosity reduction and anti-settling performance, with all formulations exhibiting a 2-mm layer separation but no sediment. Viscosity & Anti-Settling: Best Viscosity Reduction, Poor Anti-Settling: 6910A Good Viscosity Reduction & Anti-Settling: 0301 Layer Separation: 3 mm: 6910A, 0301, 6111 6 mm: 6501, 6110, 6501A, 6500-50, 6976 Sediment: Hard Sediment: 6910A No Sediment: All others Alkyd Resin（3355） Dispersant Dispersant Viscosity mpa/s（15℃）     6501A 6501A 5522     6910A 6910A 5903     6111 6111 3904     6110 6110 3856     6501 6501 5475     6500-50 6500-50 5379     6976 6976 4284     0301 0301 4189     In this system, both 6111 and 6500-50 demonstrated the best viscosity reduction performance. Both formulations exhibited a 6-mm layer separation and resulted in hard sediment. Best Performance (Viscosity & Anti-Settling): 6111, 6110 - Layer Separation: 3 mm: 6910A, 6111, 6500-50 6 mm: 6110, 6501A, 0301, 6501, 6976 - Sediment: None (all formulations)   Viscosity Data Comparison for Filler Pastes in Epoxy Resin System (601) Viscosity Data Comparison for Filler Pastes in Hydroxy Acrylic (1106)                                                                                                                     In this system,6500-50 demonstrated the best performance in terms of viscosity reduction and hot storage stability. In this system,0301 and 6910A provided the optimal combination of viscosity reduction and hot storage stability. Viscosity Data Comparison for Filler Pastes in Polyester Resin （3871） Viscosity Data Comparison For Filler Pastes in Thermoplastic Acrylic Resin（2650D ）         In this system,both 6976 and 6910A demonstrated the best performance in terms of viscosity reduction and hot storage stability. In this system,6111 and 6110 provided the optimal combination of viscosity reduction and hot storage stability. Viscosity Data Comparison for Filler Pastes In Alkyd Resin（3355）                                   In this system,6111 and 6500-50 provided the optimal combination of viscosity reduction and hot storage stability. Conclusion Performance Summary for Silica Micro-powder Pastes: Epoxy Resin (601): 6500-50 exhibited the best performance. Hydroxy-Functional Acrylic (1106): 0301 and 6910A demonstrated the best performance. Alkyd Resin (3355): 6111 and 6500-50 showed the best performance. Thermoplastic Acrylic Resin (2650D): 6111 and 6110 provided the best performance. Polyester Resin (3871): 6976 and 6910A delivered the best performance. Conducted by Dong Xie

EZHOU ANJEKA TECHNOLOGY CO.,Ltd                                                                                              professional Additive supplier Dispersant Test Feedback Sheet Test Nane Viscosity Reduction Report for a Silica Fume and Diatomite Blend Test Start Date 2024/11/2 Test End Date   6501A,6910A,6111,6110,6501,6500-50,6976,0301 Formulation   Formula 1 Dosage       Formula 2 Dosage     Epoxy Resin 828 38       Epoxy Resin 828 38     AGE 8       AGE 8     Dispersant 0.3       Dispersant 0.5     Silica Fume and Diatomite Blend 54       Silica Fume and Diatomite Blend 54                                                         Methods and Procedures 1.Add all above materials according to the formulation and stir at a speed of 1800 rpm. 2.Let the above formulation stand for 10 minutes. 3.When the temperature has stabilized uniformly, measure the viscosity of the above formulations. Viscosity Dispersant 0.3%（23°C） Dispersant Viscosity Dispersant 0.5%（23°C） Dispersant Viscosity Dispersant 0.5%，4410（0.3%） Dispersant Viscosity 6501A 8291 6501A 9421 6111 9140 6910A 5335 6910A 5455 6910A 8426 6111 6729 6111 6849 0301 7331 6110 6393 6110 6753 6501A 9521 6501 8075 6501 8243     6500-50 5960 6500-50 6921     6976 6248 6976 6176     0301 5551 0301 5792     Unknown 9517         After oven aging at 50°C After 24h                                                           6501, 6500-50, and 6110 all exhibited persistent bubbles that did not dissipate. 6501A, 6910A, 0301, and 6111 exhibited a 1-mm layer separation. Dispersant 6976 demonstrated better performance.                   7-Day Data Formulation without 4410                                                               All dispersants showed only minor differences in anti-settling performance. Formulation with 4410                                                               After the addition of 4410, the formulation with 6910A showed the least amount of sediment, and the difference was minor.                                                                                                               Left: 4410 + 6910A | Center: 6910A only | Right: No dispersant Sedimentation Status With 4410 Without 4410           0301 hard sediment hard sediment           6910A No sediment Slight, soft sediment           6976   soft sediment           6111 No sediment No sediment           6500-50   Lightly soft and subdued           6110   soft sediment           6501A Slight, soft sediment Slight, soft sediment           6501   Slight, soft sediment           Conclusion Dispersant 6910A demonstrated the best viscosity reduction, with a marginal difference between 0.3% and 0.5% loadings. Following 7 days of quiescent aging, minimal variation was observed in the sedimentation prevention of all dispersants. The incorporation of additive 4410, however, notably enhanced anti-settling performance. Applicant： Dong Xie Reviewer   Application Engineer:   Technical Manager：  

 EZHOU ANJEKA TECHNOLOGY CO.,Ltd                             professional Additive supplier Dispersant Test Feedback Sheet Test Name： Testing of Anjeka Dispersant in Epoxy Alumina Slurry Test time 2025/4/13     6040，0301，6910A Formulation（Unit: Gram） raw materials 6040 0301 6190A   raw materials name: 6040 0301 6190A Epoxy resin 40 40 40   Epoxy resin 30 30 30 Mixed Solvent (Xylene: PMA: Butyl Acetate = 1:1:1) 45 45 45   Mixed Solvent (Xylene: PMA: Butyl Acetate = 1:1:1) 15 15 15 dispersant 3 3 3   dispersant 0.45 0.45 0.45 Gas-phase aluminum oxide 12 12 12   Precipitated alumina 54.5 54.5 54.5 total 100 100 100   total 100 100 100 The dosage of 6910A was halved due to its 100% solid content. Experimental Methods and Procedures 1. Add all above materials according to the formulation and stir at a speed of 2000 rpm for 5 minutes. 2. When the temperature has stabilized uniformly, measure the viscosity of the above formulations. Viscosity Fumed Alumina Dispersant viscosity mpa/s（23℃） Precipitated alumina Dispersant model viscosity mpa/s（23℃） Magnesium hydroxide Dispersant model viscosity mpa/s（28℃） 6040 Higher viscosity 6040 345.6 6190A 7859 0301 64.87 0301 812.6     6190A 51.45 6190A 252.8 Boron nitride Dispersant model viscosity mpa/s（28℃） In this system, 6910A demonstrates effective viscosity reduction. Superior viscosity reduction is achieved with 6910A 6190A 30210 Stored at 50°C for 48 hours Fumed Alumina Dispersant viscosity mpa/s（23℃） Precipitated alumina Dispersant model viscosity mpa/s（23℃） Magnesium hydroxide Dispersant model viscosity mpa/s（28℃） 6040 Higher viscosity 6040 470.8 6190A 817.5 0301 39.14 0301 360.1     6190A 52.56 6190A 189.0 Boron nitride Dispersant model viscosity mpa/s（28℃） In this system, 6910A demonstrates effective viscosity reduction with minimal layering and soft sediment. In this system, 6910A demonstrates effective viscosity reduction with minimal layering and soft sediment. 6190A 67644 Conclusion In the epoxy system, 6910A shows good performance in viscosity reduction and anti-settling with both fumed alumina and precipitated alumina. Conducted by Dong Xie

 EZHOU ANJEKA TECHNOLOGY CO.,Ltd                                      professional Additive supplier Dispersant Test Sheet Test Name Screening of Dispersants for Aqueous Barium Sulfate Paste Test Start Date 2025.6.22 Test End Date     Objective: Evaluation of dispersants in a resin-free filler paste based on barium sulfate. Pigment Paste Formula Barium Sulfate (800 mesh) Paste Unit:Gram Component 6220 6210 6070 6272 6270A 6072 6272A Water 58.8 58.8 58.8 58.8 58.8 58.8 58.8 Dispersant 1 1 1 1 1 1 1 4420 0.2 0.2 0.2 0.2 0.2 0.2 0.2 Filler 40 40 40 40 40 40 40 Total 100 100 100 100 100 100 100 Experimental Method 1. After 2 hours of shaking, viscosity recorded. 2. Stability observed. Test Result Resin-Free Paste Viscosity（mpa.s ） 34℃ 6220 6210 6070 6272 6270A 6072 6272A Barium Sulfate 50 50 50 300 200 50 200 In the resin-free barium sulfate paste, dispersants 6070, 6220, 6210, and 6072 demonstrated the most effective viscosity reduction. Settling Status (50°C, 5 Hours)   6220 6210 6070 6272 6270A 6072 6272A Layering / Sedimentation Layering with sediment Layering with sediment Layering with sediment Layering without sediment Layering without sediment Layering with sediment Layering without sediment           Minimal layering                     Dispersant 6270A demonstrated superior layer stability. Settling Status (50°C, 24 Hours)   6220 6210 6070 6272 6270A 6072 6272A Layering 50% 50% 50% 20% 20% 50% 50% Sedimentation Pasty, soft sediment (irreversible) Pasty, soft sediment (irreversible) Pasty, soft sediment (irreversible) Can be re-homogenized by shaking Can be re-homogenized by shaking Pasty, soft sediment (irreversible) Pasty, soft sediment (irreversible) Dispersants 6270A and 6272 showed good layer stability. Conclusion 1.In the resin-free barium sulfate paste, dispersants 6070, 6220, 6210, and 6072 demonstrated the best performance in viscosity reduction. 2.Regarding layer stability, dispersant 6270A showed the superior stability.

EZHOU ANJEKA TECHNOLOGY CO.,Ltd                                   professional Additive supplier Dispersant Test Sheet Test Name Screening of Dispersants for Aqueous Filler Paste Test Start Date 2024.8.22 Test End Date 2024.8.23   To evaluate three fillers (calcium carbonate, talc, and aluminum hydroxide) in a resin-free filler paste system, with the inclusion of PU-166 aqueous polyurethane dispersion for testing. Color Paste Formula Calcium Carbonate Paste Raw Material 6220 6210 6070 Note       Water 27.8 27.8 27.8         Dispersant 2 2 2         4420 0.2 0.2 0.2         Filler 70 70 70         Talc Paste Raw Material 6220 6210 6070 Note       Water 37.8 37.8 37.8         Dispersant 2 2 2         4420 0.2 0.2 0.2         Filler 60 60 60         Aluminum Hydroxide Paste Raw Material 6220 6210 6070 Note       Water 27.8 27.8 27.8         Dispersant 2 2 2         4420 0.2 0.2 0.2         Filler 70 70 70         Experimental Method 1.Stir for 10 minutes and record the viscosity.. 2.Add the aqueous polyurethane resin at a resin-to-filler ratio of 3:7, and stir for 5 minutes. Record the viscosity. Test Result Resin-Free Paste Viscosity（mpa.s ） 34℃ 6220 6210 6070 Note Stand for 24 hours Calcium Carbonate 109 472 100 Dispersants 6210 and 6070 showed significant foaming Dispersants 6220 and 6070 formed a hard sediment Talc 833 1830 67.1 Dispersants 6220 and 6210 showed significant foaming Dispersant 6210 resulted in a soft sediment, whereas 6070 produced a hard sediment. Aluminum Hydroxide 78.5 449.6 495.2   Dispersants 6220 and 6070 formed a hard sediment In the resin-free paste, dispersant 6070 demonstrated the best viscosity reduction with calcium carbonate and talc, while 6220 was most effective with aluminum hydroxide Resin Paste Viscosity（mpa.s ） 34℃ 6220 6210 6070 Note       Calcium Carbonate 30 282 23.3         Talc 766.3 268 10         Aluminum Hydroxide 8.9 472 6.7         In the polyurethane-based paste,dispersant 6070 demonstrated the best viscosity reduction. Conclusions In the aqueous resin-free paste, dispersant 6220 provided the overall best performance in viscosity reduction. In the aqueous polyurethane dispersion-based filler paste system, dispersant 6070 provides good viscosity reduction.

 EZHOU ANJEKA TECHNOLOGY CO.,Ltd                               Professional Additive supplier Test Record Test Name Comparative Evaluation of Dispersants for Aqueous Hydrophobic Fumed Silica Paste Temp./RH   Customer：   Applicant   Test Date： 25.1.14     Experimental Objective: Comparison of Dispersants 6871, 6070, and 6071 in a 70% Barium Sulfate, Resin-Free Paste Color Paste Formulation Formula 1 Formula 2 Raw Material Dosage Unit:Gram Note   Raw Material Dosage Unit:Gram Note   water 69.5     water 69.5     dispersant 20     dispersant 20     7414 0.5 Anjeka   7414 1.5 Anjeka   Hydrophobic Fumed Silica 20 SK-380S   Hydrophobic Fumed Silica 20 SK-380S   Total 110     Total 111     Experimetal Method 1. After 2 hours of shaking, viscosity recorded. 2. Stability observed. Test Result Resin-Free Paste Viscosity（mpa.s ）   Formula 1 Formula 2 Temp.：10 6871 6272 6270A 6871 6272 6270A   State incomplete matting powder, no flow incomplete matting powder, no flow good flow incomplete matting powder, no flow incomplete matting powder, no flow good flow   Viscosity （mpa.s ）     3600     1600     Conclution 6270A - Best for viscosity reduction (Hydrophobic Fumed Silica Paste) Performed by Zaidong Zhang