NK® Black-Core PP Synthetic Paper is a highly engineered, maximum-opacity polypropylene substrate developed for industrial B2B buyers who demand absolute zero show-through with exceptional visual contrast.
Featuring an innovative integrated black-core sandwich layer, the NK® series completely blocks light transmission. This multi-layer extrusion technology guarantees flawless double-sided printing where reverse-side graphics never interfere, delivering uncompromised image crispness alongside premium waterproof and tear-resistant durability for demanding label and card applications.
Key Advantages for Specialty Printers
- 100% Zero Light Transmission: The specialized black-core inner layer blocks backlighting entirely, eliminating shadow show-through.
- Enhanced Graphic Contrast: Brilliant white matte exterior surfaces paired with an opaque core provide stunning color pop and text legibility.
- Heavy-Duty Substrate Integrity: Fully waterproof, smudge-proof, and tear-resistant for high-wear indoor and semi-outdoor environments.
- Streamlined Press Performance: Offers excellent ink adhesion and dimensional stability on traditional offset, UV, flexo, and digital presses.
Technical Specifications
| Technical Property | Specifications & Custom Capabilities |
| Internal Structure | Advanced Co-extrusion Polypropylene with an integrated Opaque Black-Core layer |
| Surface Coating | Single-sided / Double-sided premium top coating (Custom treatments available) |
| Surface Finish | Premium White Matte finish for reflection-free readability |
| Thickness Range | 3 mil to 12 mil (Equivalent to 0.076mm – 0.305mm) with ultra-tight gauge tolerances |
| Conversion Options | In-house custom sheet sizing, precision cutting, and professional master roll slitting |
Typical B2B Applications
Premium Labeling High-end double-sided blockout labels, luxury retail hang tags, and heavy-duty industrial tags.
Retail Displays Opaque retail display cards, multi-layer marketing panels, and product informational cards.
Packaging Inserts Premium rigid packaging inserts, double-sided game cards, and professional product backings.
Opaque Signage Semi-outdoor promotional signage, hanging supermarket advertising cards, and directional boards.
Direct Factory Supply & Fast RFQ Response
- Free Press Samples: Complimentary sample sheets are available immediately for opacity testing and press ink calibration.
- Direct Manufacturer Pricing: Bypass trading companies and secure higher project margins with direct factory wholesale supply.
- 2-Hour Rapid Quotation: Get an official price estimate within 2 hours by simply providing your target thickness, dimension sheet/roll size, and annual volume.
Contact LIZHENG today to request your black-core testing samples and full technical data sheets!
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