| Quantity: | |
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YIXUN mold
8480419090
Ultra-Durable Flip-Top Plastic Cap: Injection Molding-Driven Durability
Machined with ±0.01mm tolerance (CNC-milled steel mold) to ensure uniform wall thickness (1.2mm consistent across cap, hinge, and threads)
Eliminates "thin spots" (a common cause of cracking) by optimizing cavity flow paths for molten plastic
Reinforced hinge cavity design distributes stress evenly, laying the foundation for 10,000+ open/close cycles
Molten PP (polypropylene) is heated to 170±5℃ (optimal for material bonding) and injected at 80MPa pressure
Slow-fill injection for the hinge area prevents air bubbles (which weaken structural integrity)
Material is compounded with 5% glass fiber (reinforced PP) during melting—boosting impact resistance by 40% vs. standard PP caps
Mold is cooled via a 2-stage water circulation system (15℃ initial cooling, 25℃ tempering)
20-second cooling cycle ensures uniform crystallization of PP molecules (avoids internal stress that causes warping over time)
Post-molding thermal treatment (60℃ for 10 mins) further stabilizes the material’s structure
Wall thickness uniformity tests (to catch weak points)
Hinge torque testing (ensures consistent, durable flexibility)
Drop impact simulation (1.5m drops onto concrete)
100% of molded caps undergo:
No Structural Weaknesses: Uniform material distribution (via precision molding) prevents cracking under pressure
Long-Lasting Hinge: Mold-optimized hinge design resists fatigue (10x longer lifespan than caps made with low-tolerance molds)
Consistent Seal: Precision-threaded mold ensures 500+ twist cycles without thread stripping
| Item | Details (Injection Molding-Driven) |
|---|---|
| Material | Reinforced Food-Grade PP (5% glass fiber) |
| Mold Tolerance | ±0.01mm (CNC steel mold) |
| Injection Pressure | 80MPa |
| Cooling Cycle | 20 seconds (2-stage water cooling) |
| Hinge Cycle Rating | ≥10,000 cycles |
Outdoor adventure beverage bottles (resists drops/rough handling)
Industrial cleaning product containers (frequent opening + chemical compatibility)
Bulk food storage jars (long-term repeated access)
Ultra-Durable Flip-Top Plastic Cap: Injection Molding-Driven Durability
Machined with ±0.01mm tolerance (CNC-milled steel mold) to ensure uniform wall thickness (1.2mm consistent across cap, hinge, and threads)
Eliminates "thin spots" (a common cause of cracking) by optimizing cavity flow paths for molten plastic
Reinforced hinge cavity design distributes stress evenly, laying the foundation for 10,000+ open/close cycles
Molten PP (polypropylene) is heated to 170±5℃ (optimal for material bonding) and injected at 80MPa pressure
Slow-fill injection for the hinge area prevents air bubbles (which weaken structural integrity)
Material is compounded with 5% glass fiber (reinforced PP) during melting—boosting impact resistance by 40% vs. standard PP caps
Mold is cooled via a 2-stage water circulation system (15℃ initial cooling, 25℃ tempering)
20-second cooling cycle ensures uniform crystallization of PP molecules (avoids internal stress that causes warping over time)
Post-molding thermal treatment (60℃ for 10 mins) further stabilizes the material’s structure
Wall thickness uniformity tests (to catch weak points)
Hinge torque testing (ensures consistent, durable flexibility)
Drop impact simulation (1.5m drops onto concrete)
100% of molded caps undergo:
No Structural Weaknesses: Uniform material distribution (via precision molding) prevents cracking under pressure
Long-Lasting Hinge: Mold-optimized hinge design resists fatigue (10x longer lifespan than caps made with low-tolerance molds)
Consistent Seal: Precision-threaded mold ensures 500+ twist cycles without thread stripping
| Item | Details (Injection Molding-Driven) |
|---|---|
| Material | Reinforced Food-Grade PP (5% glass fiber) |
| Mold Tolerance | ±0.01mm (CNC steel mold) |
| Injection Pressure | 80MPa |
| Cooling Cycle | 20 seconds (2-stage water cooling) |
| Hinge Cycle Rating | ≥10,000 cycles |
Outdoor adventure beverage bottles (resists drops/rough handling)
Industrial cleaning product containers (frequent opening + chemical compatibility)
Bulk food storage jars (long-term repeated access)
