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Solution for Small Particles in Epoxy Flat Coating
time:2024-06-06    clicks:65

HY Chemicals (Kunshan) Co., Ltd.  

Solution for Small Particles in Epoxy Flat Coating

 

Epoxy Topcoat Formula for 1000KGS

1Epoxy resin (Nanya 128)

350KG

2Active diluent 692

20KG

3Benzyl alcohol (BA)

20KG

4Dispersant 110 (HY Chemical)

5KG

5Defoamer 750s

2KG

6Leveling agent 1484

3KG

7Anti-settling agent

5KG

81250 mesh talcum powder or calcium   carbonate

50KG

91500 barium sulfate

556KG

10Color paste (Laoan Chemical)

80-100KG(medium gray/bright green) more self-leveling color paste

 

Processing:

1.      First, put 1, 2, 3, and 4 into the disperser, rotate at 300-700 rpm for 10-20 minutes to effectively open the resin.

2.      Then add 4, 5, 6, and 7 into the disperser, rotate at 1100-1300 rpm for 30-40 minutes.

3.      Then add 8 and 9 into the disperser, rotate at 300-700 rpm. The speed is reduced to minimize bubble formation.

4.      Finally, add 10 into the disperser.

5.      Grind in a sand mill.

 

Mixing Paint (Flat Coating)

Topcoat

4/5

Curing   Agent

1



Reasons for Small Particles in Epoxy Flat Coating

1.      The ground is not clean.

2.      Low epoxy resin content, leading to poor resin encapsulation of the powder.

3.      Agglomeration of various powders, poor dispersant dispersing ability.

4.      Color paste agglomeration, poor compatibility of color paste in polar systems, poor deflocculation ability.

5.      Dispersant or diluent too strong, or due to the amount used, causing short hair roller to shed.

 

ADDRESS5-1 Lide Industrial Park Huqiao Town,Kunshan Jiangsu Province

www.hy-chemical.cn

 

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