Jiangsu Jianglin Yihai New Material Science & Technology Co., Ltd. is one of the leading manufacturers and suppliers of waterproof mineral printing sheets in China. With abundant experience, we warmly welcome you to wholesale premium waterproof mineral printing sheets for sale here from our factory. All customized products are with high quality and competitive price. For quotation, contact us now.
Waterproof Mineral Printing Sheets
Waterproof mineral printing sheets are high-performance mineral-filled synthetic substrates developed for printing and converting applications where conventional cellulose paper fails under water, moisture, or tear stress.
The material is primarily composed of calcium carbonate (CaCO3) and a durable polymer resin matrix. Unlike traditional wood-pulp paper, this unique structure creates a 100% water-resistant, dimensionally stable substrate available in both sheet and roll formats.
Material and Structure
High Mineral Content: Premium calcium carbonate filler for high opacity and structural integrity.
Polymer Resin Matrix: Provides intrinsic water barrier properties and high mechanical toughness.
Printable Surface Coating: Specially treated for sharp dot reproduction and reliable ink adhesion.
Non-Porous Structure: Zero fiber swelling, warping, or delamination upon contact with moisture.
Flexible Supply Formats: Available in continuous master rolls, slit rolls, or custom cut sheets.
Key Performance Characteristics
100% Water and Moisture Resistance: Printed information remains legible and intact even under prolonged high humidity, direct water contact, or wet-cleaning conditions.
High Tear and Tensile Strength: The mineral-polymer matrix delivers superior multidirectional tear resistance during fast converting operations and end-use handling.
Dimensional Stability: Maintains strict flat lay and tight registration across temperature and humidity fluctuations during multi-pass printing and finishing.
Surface Energy & Printability: Formulated to support commercial ink adhesion.
Technical Specifications
|
Parameter |
Standard Specification |
Customization Range |
|
Material Composition |
Calcium Carbonate (CaCO3) + Polymer Resin |
Custom mineral ratios available |
|
Product Category |
Mineral-Based Synthetic Sheet (Stone Paper) |
Premium / Standard / Tag grades |
|
Supply Formats |
Custom Master Rolls, Slit Rolls, Standard Cut Sheets |
Customized per order requirements |
|
Color and Opacity |
Natural White / High Opacity (≥ 85%) |
Custom opacity upon evaluation |
|
Thickness Range |
120 – 300 microns (μm) |
80 – 400 microns (μm) |
|
Basis Weight (GSM) |
140 – 360 g/m² |
100 – 500 g/m² |
|
Sheet Dimensions |
Standard (e.g., 700 x 1000 mm, 610 x 914 mm) |
Tailored to press dimensions |
|
Roll Specifications |
Width: Up to 1,400 mm |
Custom width, length, and core size |
|
Water Resistance |
100% Water & Moisture Proof |
Fully washable grades available |
|
Converting Compatibility |
Guillotine cutting, slitting, die-cutting, folding, scoring, embossing, lamination |
Grade dependent |
Printing and Converting Compatibility
The suitable printing process depends on surface energy (dyne level), ink system, and thermal exposure during drying or curing.
Compatible Processes:
- Offset Printing: UV Offset and Conventional Offset (Oxidative-drying inks recommended).
- Flexographic and Gravure Printing: Suitable for high-volume packaging and label production.
- Digital Printing: UV Digital and Screen Printing.
- Downstream Converting: Guillotine cutting, rotary slitting, steel-rule die cutting, hot stamping, blind embossing, scoring, and folding.
Recommended Trial Protocol:
Before mass production, a trial run is advised to evaluate ink adhesion, drying/curing speed, registration accuracy, and die-cut edge cleanliness. If using automated machinery, please share your press and line specifications with our technical team.
Primary Applications
Moisture-Exposed Commercial Print: Waterproof menus, outdoor maps, trail guides, outdoor posters, field manuals, and promotional displays.
Industrial Labels and Tags: Heavy-duty luggage tags, horticultural plant stakes, chemical drum tags, and warning labels.
Packaging Components: Moisture-resistant product inserts, luxury box wraps, cosmetic inserts, and damp-environment packaging.
Outdoor Signage: Short-to-medium term outdoor banners, point-of-sale (POS) displays, and maritime documentation.
Customization and Grade Matching
Available Options:
- Dimensional Customization: Custom sheet sizes and roll widths engineered to minimize press waste.
- Surface Adjustments: Tailored dyne levels for specialty inks or coatings.
- Mechanical Adjustments: Calendered smoothness and stiffness engineered for high-speed automated feeders.
Cross-Referencing Competitor Grades:
If you currently source synthetic paper or competitor mineral paper grades, submit your Technical Data Sheet (TDS) or physical sample. Our laboratory will evaluate the mechanical and surface properties to propose an equivalent or optimized grade.
Manufacturing Capability and Quality Control
Our manufacturing facility utilizes continuous high-precision compounding, extrusion, and calendering systems to ensure tight gauge control and surface uniformity.
Extrusion Line Capacity: ~300 to 470 kg/h per production line.
Maximum Finished Width: Up to 1,400 mm.
Quality Assurance Protocols:
- Automated non-contact thickness gauge monitoring across the web.
- Continuous inline surface defect scanning.
- Full batch traceability from raw material blending to final packaging.
FAQ
Q: What makes mineral printing sheets different from conventional paper and synthetic plastics (PP/PET)?
A: Mineral printing sheets contain up to 80% natural calcium carbonate bound by polymer resin. They provide the full water resistance of synthetic plastics while maintaining a matte, natural paper-like feel, with reduced reliance on petroleum-based polymers.
Q: Can these sheets be printed using standard offset presses?
A: Yes. However, because mineral sheets are non-porous and do not absorb water-based fluids like traditional paper, UV-curable inks or fully oxidative-drying inks designed for non-porous substrates must be used. Drying times should be monitored carefully.
Q: Are mineral printing sheets suitable for long-term outdoor exposure?
A: The substrate itself is 100% waterproof and will not degrade upon exposure to water. However, for long-term exposure under direct sunlight, UV-inhibited formulations or protective overlaminates are recommended to protect both the printed inks and the substrate matrix from UV degradation.
Q: Can you match an existing sample or competitor specification?
A: Yes. Provide us with your current Technical Data Sheet (TDS), GSM, thickness, or physical sample. Our technical team will perform laboratory testing to match mechanical strength, caliper, surface dyne level, and printing performance.
Q: How are mineral printing sheets handled in terms of recyclability?
A: Mineral printing sheets are recyclable within the commercial synthetic paper and polyolefin recycling streams (Type 2 / Type 4 plastic streams, depending on local municipal infrastructure).
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