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Birch plywood
Product Overview
Industrial Strength Protection for the Most Demanding Wet-Environment Applications
Waterproof Glue Film Faced Plywood (commonly referred to as WBP Phenolic Plywood) is a heavy-duty engineered panel specifically designed to thrive in high-moisture and exterior environments. While standard film-faced boards rely on moisture resistance, this "Waterproof Glue" variant utilizes advanced WBP (Water Boil Proof) resins—typically Phenolic or high-grade Melamine. These adhesives create a chemical bond between the birch or hardwood veneers that is structurally permanent, meaning the panel will not delaminate even when subjected to prolonged soaking or extreme weather cycles. Covered on both faces with a hard-wearing phenolic film, this panel provides a dual-layer defense: a physical barrier against abrasion and a chemical barrier against water ingress.
The performance of a waterproof panel is only as good as its core. We utilize high-density birch or eucalyptus hardwood veneers, which are cross-banded to provide maximum dimensional stability. During the manufacturing process, the assembly is subjected to intense heat and pressure, forcing the waterproof glue deep into the wood fibers. This results in a composite material that maintains its stiffness and load-bearing capacity even in saturated conditions. It is the primary choice for heavy-duty concrete formwork, marine-adjacent construction, and industrial vehicle flooring where "dry" is never a guarantee.
To ensure total waterproofing, the edges of every sheet are factory-treated with multiple coats of water-resistant acrylic paint. This is critical because the edges are the most vulnerable point for "wicking" (moisture absorption). For the civil engineer or contractor, this board offers a high "reuse-per-sheet" ratio, drastically lowering project costs over time. Whether you are casting a bridge pier or lining a refrigerated shipping container, our Waterproof Glue Film Faced Plywood delivers the ultimate peace of mind in the face of the elements.
WBP Phenolic ResinBoil-Tested BondFull Hardwood CoreAbrasion-Resistant Film72-Hour Water Immersion Rated
Technical Specifications
| Glue Type | WBP Phenolic (Water Boil Proof) |
| Core Material | Birch, Eucalyptus, or Combi |
| Film Weight | 120g/m² - 240g/m² |
| Boil Test | 72 Hours in boiling water |
| Thickness | 12mm, 15mm, 18mm, 21mm, 25mm |
| Density | 680kg - 720kg/m³ |
| Edge Coating | Waterproof Acrylic Sealant |
Industrial Applications
- Infrastructure & Bridge Formwork
- Marine-Adjacent Shuttering
- Refrigerated Truck Linings
- Exterior Temporary Structures
- Heavy-Duty Platform Decking
Core Competitive Strengths
- Permanent Bond: Guaranteed zero delamination.
- High Reuse: Designed for 15-40+ cycles.
- Chemical Shield: Resists salt and alkaline concrete.
- Mechanical Strength: High impact & bending stiffness.
Trade Summary
| MOQ | 1x20GP Container |
| Lead Time | 20-25 Days |
| Packaging | Steel-Banded Industrial Pallets |
| Certifications | CE, EN13986 (Class 3), FSC |
| Film Color | Dark Brown or Black |
| Testing | Third-party Lab Reports Available |
About Us
Tianma Lvjian is China Waterproof Glue Film Faced Plywood Manufacturers and Wholesale Waterproof Glue 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
ICTT-22019-TIANMA-LVJIAN-(NANTONG)-WOOD-STRUCTURE-TECHNOLOGY-CO.,-LTD
TJIN2412003437PL02-1_EN
TJIN2412003437PL01-1_EN
(65073)VCP-12177
(65072)VCP-12176
CE-EN 13986
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40000m³Safety stock -
65000m³Annual production capacity -
20+COUNTRIESExport to over 20 countries -
20+YEARSdedicated experience in the wood industry -
200+Highly qualified and technically competent personnel
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Logistics and Financial Terms
WBP panels are high-density products. We maximize container payload efficiency while providing moisture-proof shrink wrapping for all sea transit. We accept 30% T/T deposit and 70% against B/L or L/C at sight. Every shipment includes a "Certificate of Conformity" confirming the WBP glue performance standards.
Bonding Comparison
- Vs. MR (Moisture Resistant) Glue: MR is for indoor humidity only; WBP can be submerged without falling apart.
- Vs. Standard Melamine Glue: WBP Phenolic offers a significantly longer lifespan in outdoor weather.
- Vs. Plastic Sheets: WBP Plywood offers superior load-bearing capacity and better thermal stability.
Structural Anatomy
The WBP Phenolic Bond is a thermosetting resin that undergoes a chemical change under heat. This creates an irreversible bond that is stronger than the wood fibers themselves. The Multi-Ply Core ensures that internal stresses are balanced, preventing the board from twisting when wet.
Green Building Commitment
By maximizing the reusability of each panel, we reduce the total timber consumption on large construction sites. Our waterproof panels are available with FSC and PEFC certifications, ensuring the wood is sourced from responsibly managed forests. Despite its industrial strength, our WBP resin meets strict E1/E0 emission standards, supporting safe and sustainable construction practices.
Frequently Asked Questions
Q: What does WBP stand for?
A: Water Boil Proof. It means the glue will not break down even after 72 hours in boiling water.
Q: Is it really "waterproof"?
A: The glue and film are waterproof, but the wood fibers can still absorb moisture at the edges. Always keep edges sealed.
Q: Can I use it for a boat hull?
A: While it uses waterproof glue, for marine vessels, we recommend our specialized Marine-Grade Birch with specific veneer counts.
Q: How many times can I reuse it for concrete?
A: Depending on the core (Full Birch is best), you can expect 15-30+ reuses with proper handling and oiling.
Q: Can I cut these sheets?
A: Yes, but you must immediately apply waterproof paint to the new edges to maintain the warranty.
Q: Is it safe for indoor use?
A: Yes, our WBP panels meet E1 or E0 standards for low formaldehyde emissions.
Q: Why choose phenolic over melamine glue?
A: Phenolic glue is the most durable "Class 3" bond available, offering the highest resistance to external exposure.
Q: Does the color of the film matter?
A: Typically, dark brown film is associated with higher phenolic content and better performance than standard black film.
Q: How do I store these on-site?
A: Store them flat, off the ground, and covered with a waterproof tarp to prevent UV damage and edge-wicking.
Q: What is the best thickness for slabs?
A: 18mm and 21mm are the industry standards for most structural slab formwork.
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