Innovative R&D Cases by Sunkey Packaging

At Sunkey Packaging, innovation is at the heart of our operations. Our R&D team is dedicated to solving complex customer challenges through cutting-edge technologies and precision engineering. Here are some of our most notable innovation cases:

Ultra-Precision Film Cutting

Customer Challenges:
Uneven end faces
Staggered cores
Loose rolls
Uncontrollable metal foreign matters

Our Solution:
End face deviation controlled to ≤ 0.2mm
Finished product surface hardness increased to ≥ 90
Zero unwinding issues
No metal foreign matters above 50μm
Winding length extended from 2130m to 4260m, saving customers 6 million RMB annually

VIP Composite Membrane

Customer Challenges:
Unstable WTR and OTR values
Thermal conductivity exceeding acceptable limits after aging
Thermal conductivity deterioration value above 1.5

Our Solution:
WTR/OTR stabilized to ≤ 0.05
Thermal conductivity maintained at ≤ 2 (mw/m*k) after aging cycles
Thermal conductivity deterioration value ≤ 1.5 (mw/m*k) after 4 cycles of Double 80 aging over 28 days

Grilled Chicken Bag Robot

Customer Challenges:
Low efficiency with manual folding
Hygiene concerns
Inconsistent size of folded bags

Our Solution:
Achieved folding size deviation within ± 2mm
Full-process mechanical operation for consistent, hygienic results

Other Innovative Applications

Straight Easy-to-Tear Facial Mask Bags:
Improved consumer convenience with consistent tear performance.
Application of Decreased Recyclable BOPE Film:
Sustainable packaging solutions designed for recyclability without compromising performance.
Anti-Fog Cross POF Shrink Film:
Enhanced visibility and freshness for packaged products.
Thermoforming Blister Packaging:
Improved structural integrity and customization for pharmaceuticals and electronics.
High-Barrier Fully Degradable Packaging Bags:
Environmentally friendly options with superior barrier properties.
Naked Eye 3D Facial Mask Packaging:
Unique packaging designs to stand out on retail shelves.
Child-Safety Slider Zipper Bags:
Ensures both convenience and safety for families with children.
Octagonal Sealed Pet Bags:
Durable and innovative designs catering to the pet food industry.

Innovative R&D Cases by Sunkey Packaging

Ultra-Precision Film Cutting

VIP Composite Membrane

Grilled Chicken Bag Robot

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