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Acid & Alkali Resistant Thermoplastic PE Polyethylene Powder Coating for New Energy Vehicle Battery Boxes

Acid & Alkali Resistant Thermoplastic PE Polyethylene Powder Coating for New Energy Vehicle Battery Boxes photo-1
Acid & Alkali Resistant Thermoplastic PE Polyethylene Powder Coating for New Energy Vehicle Battery Boxes photo-2
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Acid & Alkali Resistant Thermoplastic PE Polyethylene Powder Coating for New Energy Vehicle Battery Boxes photo-5
US$ 2 - 5 MOQ: 1000 Kilograms
Key Specifications
Get Latest Price
Certification:
ISO14001, CCC, ROHS, ISO9001
CAS No.:
NA
Color:
Black
Payment & Shipping
Payment Methods:
Port of Shipment:
SHANGHAI
Delivery Detail:
7 days
Certification ISO14001, CCC, ROHS, ISO9001
CAS No. NA
Color Black
Appearance Powder
EINECS NA
Formation Mechanism Other, Dip coating
Formula NA
Drying Method Drying
Main Raw Material Other, polyethylene
Level Finish Coat
Method Dip
Substrate Steel
Components Other, polyethylene for battery box
Transport Package 25KG/BAGS
Specification Polyethylene
Origin China

Acid & Alkali Resistant Thermoplastic PE Polyethylene Powder Coating for New Energy Vehicle Battery BoxesProduct Introduction

As new energy vehicles (NEVs) gain popularity, the demand for durable battery box coatings has surged. Our Acid & Alkali Resistant Thermoplastic PE Polyethylene Powder Coating is tailored for NEV battery boxes, providing robust protection against battery acid (acidic) and environmental contaminants (alkaline). Through precise blending of polyethylene resins (PE-B, PE-D) and MAH-g-PE adhesive, this coating ensures strong adhesion to carbon steel substrates, excellent chemical resistance, and compliance with NEV manufacturing standards—making it a trusted choice for automotive OEMs.

Thermoplastic-Powder-for-Battery-Boxes-300x296(1)10月24日 - frame at 0m19s(1)grey -------black

Acid & Alkali Resistance Performance

 

Test Condition

Result

Test Standard

30% Sulfuric Acid (720h immersion)

No swelling, adhesion loss, or dissolution

GB/T 11547-2008

5% Sodium Hydroxide (720h immersion)

No blistering or coating degradation

Internal Test

Adhesion After Acid Exposure

Grade 0

GB/T 9286-2008

Adhesion After Alkali Exposure

Grade 0-1

GB/T 9286-2008

Environmental Stress Cracking (ESC)

>300 h

GB/T 1842-2008

NEV-Specific Advantages

1. Compliance with Automotive Standards: Meets the strict anti-corrosion and durability requirements of NEV battery boxes, which are exposed to both battery acid and outdoor elements (rain, humidity).

2. Lightweight & Space-Saving: As a thin-film coating (with adjustable thickness), it does not add excessive weight to the battery system—critical for NEV range optimization.

3. Fast Application for Mass Production: Uses the fluidized bed dipping method (4-8 seconds immersion time) and efficient post-heating (180-250°C, 0-5 minutes), compatible with high-speed NEV battery box assembly lines.

4. Long-Term Reliability: Extends battery box service life by 2-3x compared to uncoated or poorly coated alternatives, reducing maintenance costs for NEV owners.


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Technical Parameters for NEV Applications

 

Parameter

Value

Purpose

Melt Flow Rate

13-15 g·(10 min)⁻¹

Ensures uniform coating on complex battery box shapes

Tensile Strength

12.4-12.8 MPa

Resists vibration-induced stress during vehicle operation

Elongation at Break

580-620%

Withstands thermal expansion/contraction of the battery box

Shore Hardness (D)

53

Prevents scratches during assembly

Dry Flowability (Flow-Up)

≥20%

Ensures smooth powder fluidity in dipping equipment


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Application Steps for NEV Battery Boxes

1. Pre-Treatment: Sandblast the battery box surface to remove rust and oil; phosphatize (avoid chromate) to enhance adhesion.

2. Preheating: Heat the workpiece to 280-320°C (optimized for NEV battery box thickness, typically 2-5mm).

3. Dipping Coating: Immerse in the fluidized bed for 5-6 seconds (adjust based on desired film thickness).

4. Post-Heating: Heat at 200-230°C for 3 minutes to improve coating smoothness.

5. Cooling: Air-cool to room temperature before installing the battery.


Product Tags: Vehicle Battery Boxes thermoplastic polyethylene powder coating , thermoplastic powder for Vehicle Battery Boxes , battery container pe plastic powder

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Gold Verified Supplier
1Yr
Verified Business License
Business Type
Manufacturer
Year Established
2018
Factory Size
5,000-10,000 square meters
Annual Export Value
US$2.5 Million - US$5 Million

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