Products Description
Blue core paper is pulp‑dyed industrial core paper with uniform and firm color that will not transfer to rolled materials. It features compact texture, good stiffness and ring crush strength, even thickness, and resists delamination during high‑speed tube rolling and slitting. Its distinctive blue color facilitates material identification and classification to avoid mixing. It is widely used for industrial roll cores of tapes, films and composite fabrics, balancing practical performance and material management.
Product Specifications
Item | Specification |
Product Name | Blue Core Paper |
Width | 1250mm-1860mm (customizable) |
Grammage | 80-120g/m² |
Grammage Tolerance | <4 g/m² |
Wet Tensile | ＞8 N |
Dry Tensile | ＞70 N |
Ash Content | ＜15 % |
Absorption Height | 45-50 mm/min |
Moisture | ≤5 % |
Color Difference (ΔE) | ＜0.5
|
Production Line
This colored‑core‑paper production line is developed specially for internally‑dyed core paper, with independent dye feeding and mixing units; dye circulates within the pulping system instead of post‑surface coloring. Special control over pulp flow rate and mixing duration ensures even dye penetration into fibers. The forming section optimizes dewatering rate for colored base paper to avoid spot and stripe defects caused by dyes. An independent process database automatically archives parameters of each batch for traceability and reproducibility. It flexibly switches between different grammages and widths, stabilizing physical indicators such as ring crush and delamination‑resistance while ensuring dyeing effect for high‑efficiency continuous production.
Packaging&Shipping
Each roll is individually packed into a heavy‑duty rigid paper tube for effective protection. Both ends of every paper tube are fully wrapped and sealed with strong adhesive tape to block dust and moisture, preventing edge chipping and surface scratches during handling, loading and transportation. Standard product model labels containing key specifications, item codes and batch information are firmly affixed on the outer side of each paper tube for quick identification, sorting and inventory management. All packed tubes will be neatly arranged on pallets and reinforced with strapping belts before shipment.
After-sales Service
1.All blue core papers are original genuine products with strict factory inspection. All parameters such as concentricity, gram weight, paper surface and toughness meet industry standards.
2.Valid warranty is available after goods signing. Free raeplacement and resupply for non-artificial production quality problems.
3.If there is transportation damage, missing or wrong delivery on arrival, we will bear the round-trip freight and handle it for free after verification.
4.Damage caused by unauthorized cutting, moisture and sun exposure, artificial collision, improper equipment operation and expired use is not covered by warranty.
5.Provide full-process free technical consultation, including exclusive after-sales support such as paper storage maintenance, machine adaptation guidance and usage problem answering.
FAQ
Q1 : What equipment and scenarios is the blue core paper suitable for?
A1 : It is suitable for various packaging, printing, film laminating and winding equipment, and widely used in industrial packaging, paper processing and supporting production scenarios with stable machine performance.
Q2 : What are the specific requirements for paper storage?
A2 : Please store in a dry, ventilated and room-temperature environment away from moisture, high temperature and sharp objects, and avoid heavy stacking to prevent paper deformation, dampness and color fading.
Q3 : Can parameters be customized for bulk orders?
A3 : Custom parameters such as width, gram weight and roll diameter are available for bulk orders. We provide exclusive customization solutions according to equipment needs.
Q4 : Can opened and used paper enjoy after-sales service?
A4 : Opened paper with original quality problems and no artificial damage is still eligible for after-sales verification; loss caused by human use is not included.
Application Scenarios
Blue core paper features high stiffness, good toughness, accurate concentricity, smooth and clean paper surface, uniform color, no powder falling and no easy cracking with stable comprehensive performance and wide application. It is widely used in various packaging fields such as industrial product outer packaging, coil inner lining, finished product edge protection and express moisture-proof protection. It is also applicable to paper deep processing technologies including printing, film laminating, hot stamping and slitting for making various packaging accessories and craft paper products. In addition, it matches various winding, film laminating and fitting equipment, serving as supporting paper cores for industrial coils such as films, tapes and textiles to meet assembly line continuous production demands. It is also suitable for civil lightweight decoration and auxiliary scenarios including gift lining, cultural and creative handicrafts and DIY production.
