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Help CenterIndustrial Battery Boxes Use High-Strength Thermoplastic PE Polyethylene Powder Coating
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High-Strength Thermoplastic PE Polyethylene Powder Coating for Industrial Battery BoxesProduct Overview
Targeting the heavy-duty needs of industrial battery boxes (used in forklifts, backup power systems, etc.), our High-Strength Metallocene-Based Thermoplastic PE Polyethylene Powder Coating is formulated with metallocene linear low-density polyethylene (PE-D) as a key component. This metallocene-based blend resolves the traditional trade-off between polyethylene’s fluidity and mechanical strength, delivering exceptional tensile strength, stress cracking resistance, and acid resistance—critical for industrial battery boxes that face frequent mechanical stress and prolonged acid exposure.
Performance Data (Metallocene-Enhanced Blend)
Performance Category |
Indicator |
Specification |
Mechanical Strength |
Tensile Strength |
12.4-12.8 MPa (Scheme 3-4) |
Elongation at Break |
580-620% (Scheme 3-4) |
|
Stress Resistance |
Environmental Stress Cracking (ESC) |
340-460 h |
Fluidity & Leveling |
Melt Flow Rate (MFR) |
13-15 g·(10 min)⁻¹ (meets leveling needs) |
Chemical Resistance |
Acid Resistance (30% H₂SO₄, 720h) |
No bubbles, dissolution, or adhesion loss |
Adhesion (After Acid Immersion) |
Grade 0 |
|
Physical Properties |
Particle Size Distribution |
≤300μm |
Specific Gravity |
0.91-0.95 |
Why Metallocene-Based Coating?
1. Superior Toughness: Metallocene polyethylene (PE-D) has an elongation at break of 1000% (per raw material tests), significantly enhancing the coating’s ability to absorb impact and resist cracking. Compared to traditional low-density polyethylene (PE-A, elongation at break 100%), it offers 5x higher toughness.
2. Enhanced Stress Cracking Resistance: ESC performance reaches 340-460 hours, far exceeding the 1-24 hours of non-metallocene grades (PE-A, PE-B). This prevents coating failure caused by internal stress in battery box corners or structural stabilizations.
3. Balanced Fluidity: By blending PE-D (low fluidity) with PE-B (high MFR 50 g·(10 min)⁻¹), the coating achieves an MFR of 13-15 g·(10 min)⁻¹—enough to ensure smooth surface leveling without sacrificing strength.
Application & Safety
• Ideal for Industrial Scenarios: Suitable for industrial battery boxes made of carbon steel, which require high durability to withstand heavy loads and frequent use.
• Safety Precautions: The coating is non-toxic, but avoid dust inhalation (wear dust masks/goggles) and prolonged skin contact. Install edge exhaust fans near fluidized bed equipment to reduce dust exposure.
• Post-Application Note: Not recommended for post-processed (reformed) battery boxes, as reshaping may damage the coating’s integrity.
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