EZHOU ANJEKA TECHNOLOGY CO.,Ltd Anjeka@anjeka.net 86-0711-5117111
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professional additives manufacturer |
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Experiment Record Form |
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| Test Name: | Epoxy Resin Silica Microsphere Filler Slurry | Temperature/Humidity: | |||||
| Client: | Applicant: | Mr Yang | Test Date: | February 26, 2026 | |||
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Objective: Testing viscosity reduction, defoaming, and anti-settling properties of filler slurry for epoxy potting compounds |
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Pigment Paste Formulation
40
692 1.2
Dispersant 0.2 6912, 6910A, 6911A
Defoamer 0.2 5680A, 5088
Anti-settling Agent 0.2 6710, 4410S
Silica Microsphere 60 Customer
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| 128 Resin | 40 | Customer | |||||
| 692 | 1.2 | Customer | |||||
| Dispersant | 0.2 | 6912,6910A,6911A | |||||
| Defoamer | 0.2 | 5680A,5088 | |||||
| Anti-settling Agent | 0.2 | 6710,4410S | |||||
| Silica Microsphere | 60 | Customer | |||||
| Experimental Method | |||||||
| High-speed stirring at 2000 rpm for 15 minutes for comparison. | |||||||
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Test Results
Test 6710 4410S
6912 6910A 6911A 6912 6910A 6911A
382123 179552 276233 244006 110493 138117 178266
375217 377519 379821 195665
Gloss 20°:22.2 60°:93.8 20°: 66.4 60°: 99.4 20°: 38.5 60°:83.1 20°: 16.2 60°: 92.6 20°: 38.9 60°:90.7 20°: 43.5 60°:89.5 20°: 42.2 60°: 92
Anti-settling Soft sedimentation No sedimentation No sedimentation No sedimentation Soft sedimentation No sedimentation Soft sedimentation
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| Test | Blank | 6710 | 4410S | ||||
| 6912 | 6910A | 6911A | 6912 | 6910A | 6911A | ||
| Pre-Heat Storage Viscosity | 382123 | 179552 | 276233 | 244006 | 110493 | 138117 | 178266 |
| Viscosity after 1 day thermal storage | 375217 | 377519 | 379821 | 195665 | |||
| Gloss | 20°:22.2 60°:93.8 | 20°: 66.4 60°: 99.4 | 20°: 38.5 60°:83.1 | 20°: 16.2 60°: 92.6 | 20°: 38.9 60°:90.7 | 20°: 43.5 60°:89.5 | 20°: 42.2 60°: 92 |
| Anti-settling | Soft sedimentation | No sedimentation | No sedimentation | No sedimentation | Soft sedimentation | No sedimentation | Soft sedimentation |
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Defoaming: 6910A demonstrated the best defoaming effect in 4410S, with minimal bubbles around the cup and no surface bubbles.
Testing 4410S
5088 5680A
6910A(0.2%) 6910A(0.4%) 6910A (0.4%)
Viscosity before thermal storage 225591 250912 262422
Viscosity after 1 day thermal storage 264724 375279 271779
Gloss 20°: 58.4 60°:98.5 20°: 70.8 60°:99.1 20°: 60 60°: 93.7
Settling No sediment No sediment No sediment
Defoaming Minimal bubbles around cup, no surface bubbles Surface bubbles present
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| Test | 4410S | ||||||
| 5088 | 5680A | ||||||
| 6910A(0.2%) | 6910A(0.4%) | 6910A(0.4%) | |||||
| Viscosity before thermal storage | 225591 | 250912 | 262422 | ||||
| Viscosity after 1 day thermal storage | 264724 | 375279 | 271779 | ||||
| Gloss | 20°: 58.4 60°:98.5 | 20°: 70.8 60°:99.1 | 20°: 60 60°: 93.7 | ||||
| Anti-settling | No sedimentation | No sedimentation | No sedimentation | ||||
| Defoaming | Minimal bubbles around the cup, no surface bubbles | Surface bubbles present | |||||
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Conclusion |
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| The best results were achieved using 4410S as the anti-settling agent, 6910A as the dispersant, and 5088 as the defoamer. | |||||||