Product Overview

The Industry Gold Standard for High-Load Concrete Formwork

When structural integrity and surface perfection are the primary goals of a construction project, Birch Core Film Faced Plywood stands as the undisputed industry leader. Unlike "combi-core" or softwood alternatives, this premium panel is constructed using 100% high-density birch veneers sourced from slow-growth northern forests. Birch is globally recognized for its exceptional mechanical properties, offering a superior strength-to-weight ratio that allows formwork to withstand the extreme pressures of high-rise concrete casting. The surface is encapsulated in a high-grammage phenolic film, creating a mirror-smooth barrier that protects the timber from the alkaline environment of wet cement and ensures a professional fair-faced finish.

The technical excellence of our birch core panels lies in the uniformity of the internal layers. Because birch fibers are fine and consistent, each veneer layer can be peeled to precise tolerances, resulting in a multi-ply board with virtually zero internal voids. This solid-core construction is vital for precision engineering; it ensures that when panels are drilled or cut for tie-rods and anchors, the internal structure remains intact and does not crumble. Bonded with advanced Water Boil Proof (WBP) phenolic adhesives, these panels are designed to undergo repeated cycles of wetting and drying without delaminating, providing a service life that far exceeds standard construction-grade plywood.

Sustainability and efficiency go hand-in-hand with our birch core film-faced series. The high reusability of these panels—often exceeding 30 to 50 uses with professional maintenance—significantly reduces the total material consumption on a job site. This longevity makes it the most cost-effective choice for large-scale infrastructure projects, such as bridge piers, dams, and tunnels, where the cost of replacing damaged formwork can be astronomical. The phenolic surface also acts as a natural release agent, meaning less chemical mold-oil is required, leading to a cleaner work environment and more eco-friendly construction practices.

We apply rigorous quality control to every stage of production, from kiln-drying the veneers to the final edge-sealing process. Our panels are treated with a specialized waterproof acrylic paint on all four edges, a critical defense mechanism that prevents moisture wicking and edge swelling. Whether you are an architectural firm aiming for a flawless concrete aesthetic or a contractor looking to optimize your equipment turnover, our Birch Core Film Faced Plywood delivers the uncompromising performance required for the most challenging engineering feats in the modern world.

100% Birch CoreMirror Finish30+ Reuse CyclesWBP Phenolic GlueHigh Load Rating

Technical Specifications

Core Construction100% Select Birch Veneer
Film Coating120g/m³2 - 220g/m³2 Dark Brown
Glue StandardWBP (Water Boil Proof) Phenolic
Thickness Tolerance+/- 0.3mm (Calibrated)
Density700kg - 720kg/m³
Modulus of Elasticity9500 - 12000 MPa
Moisture Content8% - 10%

Key Applications

  • High-Rise Commercial Concrete Cores
  • Bridge Abutments and Box Girders
  • Industrial Water Treatment Tanks
  • Nuclear Power Plant Casting
  • Luxury Fair-Faced Concrete Walls

Core Competitive Strengths

  • Extreme Rigidity: Minimal deflection under hydrostatic pressure.
  • High Reusability: Designed for 30-50 pours with proper care.
  • Precision Finish: Eliminates concrete "sugaring" and grain transfer.
  • Void-Free Quality: Ideal for complex CNC-machined formwork.

Trade Summary

MOQ1x20GP Container
Lead Time18-22 Days
PackagingExport Pallet with Edge Guards
CertificationsEN13986, CE, FSC, ISO9001
Face FinishSmooth High-Gloss Phenolic
CustomizationLogo and Edge Color Available
Tianma Lvjian Group Co., Ltd.

About Us

Tianma Lvjian is China Birch Core Film Faced Plywood Manufacturers and Wholesale Birch Core Film Faced Plywood Factory. With 27 years of professional experience in the research, manufacturing, and sales of Birch Plywood, we adhere to the principles of safety, practicality, environmental friendliness, and aesthetics. Our products consistently meet the European standard of E1, ensuring high levels of environmental safety. We use pure birch wood as the main material and continuously innovate to enhance the design and structure of our birch plywood. We also emphasize surface treatment techniques, delivering environmentally friendly, performance-stable, and visually unique new products to the market and our valued customers.

Honor

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ICTT-22019-TIANMA-LVJIAN-(NANTONG)-WOOD-STRUCTURE-TECHNOLOGY-CO.,-LTD
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TJIN2412003437PL02-1_EN
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TJIN2412003437PL01-1_EN
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(65073)VCP-12177
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(65072)VCP-12176
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CE-EN 13986
  • Birch Plywood
    100%
    Birch plywood
  • Safety Stock
    40000
    Safety stock
  • Capacity
    65000
    Annual production capacity
  • Export Countries
    20+COUNTRIES
    Export to over 20 countries
  • Experience
    20+YEARS
    dedicated experience in the wood industry
  • Personnel
    200+
    Highly qualified and technically competent personnel
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Logistics and Financial Terms

We ensure secure maritime transport by utilizing multi-layered moisture-proof wrapping and steel-strapped pallets. Payment is typically 30% T/T deposit and 70% against B/L or L/C at sight. Our logistics team specializes in heavy-load container optimization, ensuring your birch core panels arrive flat and ready for immediate deployment on the construction site.

Formwork Comparison

  • Vs. Combi Core: Full Birch provides 50% higher bending strength and significantly better screw retention.
  • Vs. Poplar Film Faced: Birch core lasts 3-4 times longer and provides a much smoother concrete surface.
  • Vs. Aluminum Systems: Plywood is more adaptable for custom geometry and offers better thermal insulation for curing.

Structural Composition

Each 18mm panel is composed of 13 plies of birch veneer, cross-laminated to neutralize natural wood stress. The veneers are rotary-cut and dried to a uniform 8% moisture content before being coated in phenolic resin.

The Hot-Pressing cycle for birch is longer than for softwood, ensuring the resin fully penetrates the hardwood fibers to create an inseparable structural bond that resists extreme temperature fluctuations.

Green Building Commitment

Our birch core panels represent the peak of "Longevity Sustainability." By extending the reuse cycle to 30+ times, we drastically reduce timber waste per cubic meter of concrete poured. We are committed to FSC-certified sourcing and use low-emission phenolic bonding that satisfies international LEED and BREEAM environmental standards.

Frequently Asked Questions
Q: Why is 100% birch core better than combi core?
A: Birch is a hardwood; it provides much higher density, stiffness, and impact resistance than mixed cores.
Q: How many reuses can I expect?
A: With proper cleaning and release oil, it is common to achieve 30 to 50 uses per side.
Q: Does it produce "fair-faced" concrete?
A: Yes, the high-gloss phenolic film ensures a smooth, architectural-grade concrete finish.
Q: Is the glue waterproof?
A: Yes, we use WBP (Water Boil Proof) phenolic glue that withstands 72 hours of boiling.
Q: Can I use this for bridge construction?
A: Absolutely, it is the standard choice for heavy infrastructure projects requiring high load capacity.
Q: Do I need to seal the edges if I cut it?
A: Yes, any cut edges must be resealed with waterproof paint to prevent moisture absorption.
Q: What is the standard thickness?
A: 18mm and 21mm are the most common thicknesses for birch core formwork panels.
Q: Is the film resistant to chemicals?
A: Yes, the phenolic coating is highly resistant to alkalis and concrete additives.
Q: How do you prevent the panels from warping?
A: Through precision kiln-drying and a symmetrical cross-laminated structure.
Q: Are the panels calibrated?
A: Yes, all panels are sanded and calibrated to ensure a very tight thickness tolerance.
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