Testing of Anjeka Dispersant in Epoxy Alumina Slurry

November 7, 2025

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		Boron nitride	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.		Boron nitride	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

Ansprechpartner :	Ms. Anna
Telefon :	+8615171019131
Faxen :	86-0711-3809626

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