Crafting Premium iPad Cases Through PC Primary injection molding & TPU Secondary Overmolding
Here’s how our advanced dual-material process creates exceptional iPad cases:
1. Structural Foundation: PC Primary Injection Molding
Material: High-grade polycarbonate (PC) with 30% glass fiber reinforcement
Process:
Precision molds (tolerance ±0.1mm) inject PC at 300-320°C
Forms rigid skeleton with:
Integrated mounting points for accessories
Reinforced corners (2.5mm thickness)
Precise camera/button cutouts (laser-verified alignment)
Advantages:
MIL-STD-810H drop protection (1.5m height)
Ultra-slim profile (1.8mm base thickness)
2. Functional Enhancement: TPU Overmolding
Material: Anti-yellowing TPU (Shore 85A hardness)
Process:
Plasma activation of PC surface (60W, 0.5mBar)
Secondary molding at 190-210°C creates:
Shock-absorbing edges (3mm TPU encapsulation)
Non-slip grip patterns (0.3mm raised texture)
Seamless port covers (IP67 dust/water resistance)
Bonding Performance:
Peel strength ≥4.5N/mm (exceeds ASTM D903)
Passes 200,000 flex cycles (3x industry standard)
3. Smart Integration
Apple Ecosystem Compatibility:
Built-in Hall sensor slots for auto wake/sleep
Magnetic array alignment (12-point positioning for iPad Pro)
User-Centric Design:
Multi-angle kickstand (55°/70° positions)
Pencil holder with wireless charging coil (Qi v1.3)
4. Quality Assurance
Testing Protocols:
5,000-cycle hinge durability test
72hr UV exposure (anti-yellowing verification)
-40°C to 85°C thermal shock testing
Sustainability:
100% recyclable PC/TPU material blend
REACH-compliant antimicrobial treatment
Key Advantages vs. Competitors:
? 0.3mm ultra-precise Apple Pencil alignment
? 28% lighter than aluminum cases (avg. 310g for 12.9")
? 0.5mm raised screen lip + microfiber lining
Copyright ? 2024 Shenzhen Aoerte Plastic Technology Co., Ltd.. All rights reserved
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