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Knife Coated Banner
A durable, PVC-based banner material manufactured through a precision knife-coating process, resulting in a consistent, smooth surface optimized for high-quality digital printing.
Manufactured by Shanghai Hanker Industrial Co., Ltd.
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Product Overview
Knife Coated Banner material is produced by applying a liquid PVC paste onto a fabric scrim and precisely leveling it with a knife-edge during the coating process. This method creates a uniform, controlled thickness and a very smooth, printable surface on both sides of the material.
The result is a banner substrate known for its dimensional stability, consistent ink absorption, and professional finish. The integrated fabric scrim, typically polyester, provides the tensile strength, while the PVC coating offers waterproofing and a printable medium. This material is a standard in the sign industry for both indoor and short-to-medium-term outdoor applications where print quality and color vibrancy are priorities.
Manufacturing Process
Precision Knife-Coating
Core Reinforcement
Polyester Scrim (e.g., 10x10, 12x12)
Primary Use
High-Quality Digital Printing
Standard Finish
Smooth, Low-Gloss Matte
Product Parameters
Technical specifications detailing the construction, physical properties, and performance standards of Knife Coated Banner material.
Physical & Construction Properties
| Total Material Weight | 440 - 510 gsm |
| Total Thickness | 12 - 14 mil (0.30 - 0.36 mm) |
| Scrim Mesh Density | 10x10, 12x12, 14x14 (per inch) |
| Standard Roll Widths | 1.27m, 1.52m, 1.6m, 2.0m, 3.2m |
| Roll Length | 30m, 50m, 100m |
| Surface Finish | Smooth Matte, Printable both sides |
| Core Diameter | 3" (76mm) / 6" (152mm) |
Performance Parameters
| Tensile Strength (Warp/Weft) | > 1300 N/5cm / > 1200 N/5cm |
| Tear Resistance (Initial) | > 30 N (ASTM D1424) |
| Dimensional Stability | < 1.5% shrinkage (24hrs @ 70°C) |
| Opacity | > 98% |
| Color (Base) | Bright White (Typical) |
| Temperature Resistance | -20°C to 60°C (Continuous) |
| Outdoor Durability (Unlaminated) | 6 months - 2 years |
Resistance Properties
| Water Resistance | Excellent (Waterproof) |
| UV Resistance (Base Material) | Moderate (Contains UV inhibitors) |
| Mildew & Rot | Resistant |
| Common Solvents (Printer Inks) | Excellent compatibility |
Note: Outdoor durability is highly dependent on ink type, laminate application, and geographic climate conditions (sun exposure, pollution, etc.). Lamination is recommended for extended outdoor use.
About Shanghai Hanker Industrial Co., Ltd.
Shanghai Hanker Industrial Co., Ltd. is China Knife Coated Banner Manufacturers and Wholesale Knife Coated Banner Suppliers. With over 20 years of industry experience, we have grown into a fully-integrated enterprise capable of producing a complete range of products across the entire industrial chain.
2004-2005
Company Foundation
Shanghai Hanker Industrial Co., Ltd began preparations in 2004 and was officially registered and established in 2005. The DPI brand was founded in the same year, marking the beginning of our journey in the adhesive materials industry.
2012
Expansion of Production Base
To enhance the influence and market share of the DPI brand, we expanded our production base to Nanhuating Industrial Park in Fengxian District, Shanghai. The facility covers 25,000 square meters and employs over 160 people, equipped with modern production workshops and advanced equipment including silicone coating machines, laminating machines, and automated punching machines.
2016
New Manufacturing Facility in Jiangsu
We established Jiangsu DPI New Materials Co., Ltd. in Qidong, Jiangsu Province, covering 34,000 square meters. This facility is equipped with China's leading calendering machine, high-standard silicon coating machines, and PE coating machines, enabling independent production of raw materials like PVC calendering film and release paper.
Present
Industry Leadership and Innovation
Today, Hanker has developed into a fully-integrated enterprise with comprehensive capabilities across upstream, midstream, and downstream industrial chains. We hold over 65 invention and utility model patents, and our high-quality DPI products are sold to more than 80 countries worldwide.
Certifications & Quality Standards
National High-tech Enterprise
ISO9001 Quality Management
ISO14001 Environmental Management
Shanghai Contract-abiding Enterprise
Environmental Commitment
We actively uphold our environmental protection responsibilities by utilizing advanced RTO equipment, achieving a 99.9% waste gas treatment rate. We encourage full employee participation in environmental practices and support sustainable development through tangible actions.
Product Benefits
Knife Coated Banner material offers several practical benefits for print providers and end-users.
Superior Printability
The exceptionally smooth, consistent surface allows for sharp detail, even dot placement, and vibrant color reproduction with minimal ink absorption variance.
Excellent Dimensional Stability
The balanced PVC coating and embedded scrim minimize stretching and shrinkage during printing, handling, and installation, ensuring graphic registration accuracy.
Ease of Fabrication
The material cuts cleanly, hems easily, and accepts grommets well without excessive fraying, streamlining the production process for finished banners.
Product Features
The knife-coating process and material composition impart distinct features to the final product.
- Precision-Coated Surface: Knife-edge application creates a flat, uniform substrate free of texture marks or unevenness.
- Embedded Polyester Scrim: Provides structural reinforcement, enhancing tear resistance and overall durability.
- Dual-Sided Printability: Both sides feature the same high-quality coating, suitable for double-sided banner printing.
- High Opacity White Base: Bright white background provides an excellent foundation for vibrant, true-to-life color output.
- Consistent Caliper: Tight thickness tolerances across the roll ensure predictable performance in printers and finishing equipment.
- Good Ink Adhesion: The surface chemistry is optimized for strong bonding with solvent, eco-solvent, and UV-curable inks.
- Flexible Yet Taut Drape: Offers enough flexibility for easy handling but hangs taut on banner stands with minimal sagging.
- Wrinkle-Resistant: The PVC coating helps the material resist creasing during shipping and storage.
Product Applications
This versatile banner material serves as a reliable substrate for a wide array of commercial and promotional printing applications.
Retail & Event Promotions
The go-to choice for high-impact promotional graphics where visual appeal and color accuracy are critical.
- Storefront & Sale Banners: Large-format graphics for windows and building facades.
- Trade Show Displays: Backdrops, booth graphics, and hanging signs.
- Festival & Concert Signage: Stage backdrops, sponsor banners, and wayfinding.
Corporate & Institutional Communications
Used for professional messaging in both indoor and sheltered outdoor environments.
- Lobby & Office Signage: Welcome signs, mission statements, and directional graphics.
- Real Estate Signage:Property for sale/lease signs and development hoardings.
- School & University Displays: Event announcements, achievement boards, and campus maps.
Commercial & Industrial Use
Provides durable, clear identification and advertising for businesses and worksites.
- Construction Site Banners: Project identification, safety notices, and contractor branding.
- Vehicle & Fleet Graphics: As a cost-effective alternative to vinyl wraps for large panel graphics.
- Marquee & Canopy Graphics:Printed inserts for tensioned fabric structures.
Printing & Finishing Best Practices
Ink & Profile Selection
Use manufacturer-recommended ICC profiles. For eco-solvent printing, ensure adequate heating and ventilation for proper ink curing and adhesion.
Outdoor Durability Enhancement
For signage expected to last over one year outdoors, apply a UV-protective laminate. This significantly extends fade resistance and protects against abrasion.
Hemming & Grommeting
Allow for a minimum 2-inch (5cm) hem. Use a hot knife or weld tape for clean, sealed hems. Place grommets every 18-24 inches along the hem for secure hanging.
Storage & Handling
Store rolls flat or vertically in a cool, dry place away from direct sunlight. Unroll and lay flat for 24 hours prior to printing for best dimensional stability.
Frequently Asked Questions
Frequently asked questions regarding the use and properties of Knife Coated Banner material.
What is the main difference between knife-coated and calendered banner material?
Knife-coating involves spreading liquid PVC onto a scrim, creating a smooth, integrated product. Calendering involves pressing heated PVC sheets onto a scrim. Knife-coated banners typically offer a smoother, more consistent printing surface and better dimensional stability, while calendared banners can be more economical and have a slightly textured feel.
Can this material be used for retractable banner stands (pull-up banners)?
Yes, it is a common and suitable substrate for retractable banner stands due to its smooth surface and good flexibility. Ensure the graphic is printed parallel to the roller tube axis and the hem at the bottom is properly reinforced for the weight bar.
Is lamination always necessary for outdoor use?
Not always, but it is strongly recommended for longevity. Unlaminated, the printed ink is directly exposed to UV rays and weather. Lamination adds a protective layer that resists fading, scratching, and moisture, easily doubling or tripling the outdoor life of the graphic.
How should I clean a printed knife-coated banner?
For general cleaning, use a soft sponge or cloth with mild soap and lukewarm water. Gently wipe the surface and rinse thoroughly. Avoid high-pressure washers, abrasive cleaners, or solvents that could damage the print or laminate.
What does the "scrim mesh density" (e.g., 10x10) mean?
It refers to the number of threads per inch in the embedded polyester fabric grid. A 10x10 scrim has 10 threads per inch in both the warp (length) and weft (width) directions. A higher mesh density (e.g., 12x12) generally indicates a stronger, more tear-resistant fabric within the PVC coating.
Interested in DPI Color Cutting Vinyl?
As a direct manufacturer with over 20 years of experience, Shanghai Hanker Industrial offers competitive pricing, flexible order quantities, and comprehensive technical support for our DPI brand products.
