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Epoxy Powder Coating for Insulating Type

'ZX-8 Zhenxin ® Epoxy Powder Coating for Insulating Type' is widely used in automotive motor casings, motors, high-voltage switchgear, transformers, welding machines, electronic components, copper bars, aluminum bars, electromagnetic wires and other products. In the field of new energy vehicles, high-performance insulation properties improve the applicability of new energy power batteries and extend their service life. It replaces the traditional power battery insulation paper ( blue film ) to protect and package the insulation between batteries.


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Keyword
powder coating
Brand
Zhenxin Paint
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Product Description

PRODUCT DESCRIPTION :

'ZX-8 Zhenxin ® Epoxy Powder Coating for Insulating Type' is widely used in automotive motor casings, motors, high-voltage switchgear, transformers, welding machines, electronic components, copper bars, aluminum bars, electromagnetic wires and other products. In the field of new energy vehicles, high-performance insulation properties improve the applicability of new energy power batteries and extend their service life. It replaces the traditional power battery insulation paper ( blue film ) to protect and package the insulation between batteries.

 

POWDER PROPERTIES:

Type

 Epoxy Resin

Flow

 Smooth

Density (liquid displacement method)

1.4-1.7g/cm3

Gel time at 200℃  

40-60 sec.

 

MATERIAL PROPERTIES:

Recommended film thickness

≥150-200um

Hardness ( pencil hardness tester )

≥ 2H

Powder particle size ( D50 )

35um-65um

Surface resistivity ( Ω, GB / T 1410, ' 200um )

≥ 10 ^ 14

Volume resistivity ( Ω * cm, GB / T 1410, ' 200um )

≥ 10 ^ 14

Insulation withstand voltage

2700VDS ,60s

Breakdown voltage ( 100-150um )

≥5KV

Non-volatile

≥99%

Moisture and heat resistance

1000H(85℃85%RH) 

Neutral salt spray

≥1000h, one-sided ≤2mm

Condensation experiment480h, adhesion≤grade1

480h, adhesion≤grade1

High temperature resistance

130℃, 720h, grade 0-1

Abrasion resistance1kg, CS-17,3,000 cycles

1kg, CS-17,3,000 cycles

Water resistance

168 H

Acid resistance

0.05 mol/L H2SO4,24h

Burning characteristics

V0 (UL 94)

 

SPRAYING PROCESS:

1. High-voltage electrostatic spraying, friction electrostatic spraying or fluidized bed construction are used in the construction,the surface without grease, salt and other impurities

2. Electrostatic voltage : 60-90kv, electrostatic current : 10-20uA, atomization pressure : 0.3-0.45Mpa, distance between spray gun and workpiece : 150-300mm,curing temperature 200 °C * 20min

3. Spray or fluidization should be completed in a single coating process in the shortest possible time.

4.For the spraying environment of insulation powder, attention should be paid to protect the construction environment, avoid metal particles and other impurities, and provide excellent insulation repair paint to repair the breakdown coating, so as to improve the yield of aluminum battery shell spraying.

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