Standard B-Flute Corrugated Board

As a specialized and innovative packaging manufacturing facility based in Hebei, ZHONGYI possesses a comprehensive suite of intelligent production and inspection equipment. We maintain standardized control over the entire workflow—from the selection of raw paper stock and high-temperature bonding to the final quality inspection of finished products. We offer both direct shipping from stock and personalized customization services. Furthermore, our comprehensive support system—encompassing pre-sales sampling, mass production quality control, and post-sales follow-up—enables us to provide clients with stable, reliable, and one-stop solutions for their packaging board supply needs.
Our Standard B-Flute Corrugated Board is ideally suited for the production of a wide variety of high-end color-printed packaging; it strikes an optimal balance between visual appeal, structural protection, and logistical cost-efficiency, making it the preferred board material for high-quality packaging across industries such as electronics, food and beverage, cosmetics, and pharmaceuticals.

Specifications and Structural Features

Our Standard B-Flute Corrugated Board is a lightweight corrugated material specifically engineered for high-precision printing applications. Every parameter adheres to our factory’s exacting production standards, delivering a level of precision that far exceeds that of ordinary boards available on the market. The product thickness is strictly controlled within a range of 2.5–2.7 mm; the flute spacing is regular and compact, featuring 6–7 flutes per 30 cm interval, ensuring a uniform and consistent flute profile.
The board features a "UV-type" flute crest structure. It is manufactured using carefully selected high-stiffness linerboard and high-strength corrugating medium as raw materials, bonded together with a food-grade wheat starch adhesive and cured through a high-temperature process.
The resulting structure is compact and stable, free from flute profile deviations, and presents a flat, smooth surface finish. It successfully integrates four core characteristics: lightweight design, exceptional flatness, high compressive strength, and superior printability—making it perfectly compatible with a wide range of high-end printing techniques and advanced post-processing operations.

Core Performance Advantages

Compared to standard B-flute corrugated boards currently available on the market, our factory's B-Flute Corrugated Board has been specifically optimized to address common industry pain points. Boasting outstanding performance advantages, it effectively resolves various issues encountered by clients during production, printing, and transportation:

1. Ultra-High Flatness: Eliminating Printing Imperfections
The surface tolerance of our boards is strictly controlled within ±0.1mm. The surface is smooth and refined, free from defects such as warping, bulging, or uneven flute marks. This fundamentally resolves common flaws found in ordinary B-flute boards—specifically, "flute show-through" (visible corrugation lines) and "print-through" (ink bleed-through). It is perfectly compatible with high-end printing processes such as four-color offset printing, flexography, and hot stamping. Printed graphics feature sharp edges and precise color reproduction, significantly enhancing the aesthetic appeal and perceived quality of the final packaging product.

2. Balancing Strength with Lightweight Design: Reducing Overall Costs
Featuring a high flute density and uniform, dense support points, our product achieves a flat crush strength exceeding 2.5 kN/m. It demonstrates excellent resistance to compression and puncture, ensuring that stacked goods remain free from deformation or damage during storage. Simultaneously, it offers the advantage of a lightweight design; compared to traditional C-flute corrugated boards, it saves approximately 15% on raw materials. This effectively reduces client costs for packaging consumables as well as logistics and shipping weights, achieving a dual objective of robust protection and cost reduction.

3. Optimized for High-Speed Production: Stable and Controllable Yields
Combining a standardized, uniform flute profile with the inherent rigidity of high-quality paper materials, our boards are fully compatible with the entire range of post-processing operations—including high-speed die-cutting, automated box gluing, creasing, and punching. During the production process, the material is highly resistant to failures such as liner cracking, splitting, or delamination. It integrates seamlessly into automated factory assembly lines for efficient mass production, maintaining a stable finished product yield rate of over 99%. This effectively boosts client production efficiency and minimizes material waste.

Eco-Friendly and Sustainable Features

Throughout its entire lifecycle, this corrugated board adheres strictly to green manufacturing standards. Raw materials consist of 100% recyclable paper, bonded using food-grade wheat starch adhesives to ensure zero residue of harmful substances. The production process is subject to standardized controls backed by "Three-System Certification" (Quality, Environmental, and Occupational Health & Safety management systems), ensuring full environmental compliance. This product empowers enterprises to build sustainable packaging supply chains and is ideally suited for packaging applications across industries with stringent regulatory requirements.

Versatile Applications

Standard B-Flute Corrugated Board boasts an extremely wide range of applications, primarily covering:
Packaging for 3C electronics; colorful retail boxes for snacks and baked goods; shipping packaging for lightweight, bulky e-commerce items (such as beauty products and daily necessities); in-store promotional displays for supermarkets; inner packaging for pharmaceuticals; cosmetic gift boxes; and custom packaging for toys and handicrafts. It comprehensively addresses diverse packaging requirements that demand high precision, aesthetic appeal, and superior protection.

Factory-Direct Quality Assurance

As a primary manufacturing facility, ZHONGYI proactively eliminates common quality defects often found in standard board materials right at the source. We have comprehensively upgraded key performance metrics—including flatness, flute pitch uniformity, bonding strength, and print compatibility—thereby significantly reducing the incidence of quality issues such as exposed flutes, warping, and delamination. Our factory maintains a ready stock of standard sizes (e.g., 1200mm × 2400mm) to ensure rapid response to urgent customer orders.

Customization Services

Our Standard B-Flute Corrugated Board offers personalized customization options regarding paper weight, special dimensions, surface laminations, and other finishes. We provide comprehensive, one-stop post-processing services, including flexographic printing, slotting, die-cutting, and perforating.
Our standardized customization process is clear and streamlined: Requirements Consultation → Rapid Prototyping (1–3 days) → Solution Confirmation → Mass Production → Rigorous Quality Inspection → On-Time Delivery. As a direct factory supplier with no intermediaries, we offer free samples and bulk wholesale discounts. Our consistent quality control throughout the entire process ensures uniform and reliable product quality for every single batch.