Viscosity Reduction Report for a Silica Fume and Diatomite Blend

November 7, 2025

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：

Personne à contacter :	Ms. Anna
Téléphone :	+8615171019131
Télécopieur :	86-0711-3809626

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