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HDO Plywood

Vinawood's HDO (High Density Overlay) plywood is perfect for demanding construction and formwork projects. It offers a smooth, durable surface ideal for high-quality concrete finishes. With excellent moisture resistance and strength, our HDO plywood ensures longevity and multiple reuses.

6 products in this collection

HDO Basic 1SF Formply — HDO Plywood

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HDO Plywood(6 lines)

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Related Reading

HDO plywood complete guideFull overlay grades, reuse caps, and mill-pack sourcing for glossy formwork.
Phenolic plywood grades and bond classesFace film vs HDO fibre overlay and which Vinawood grades write Class 3.
Concrete forming plywood guideFormwork synonym hub so HDO buyers land the type ladder from forming language.
HDO Basic 2S FormplyParent PDP for HDO Basic two-side overlay — reuse up to 10 on glossy programmes.

Quick Answers

What is HDO plywood?
HDO plywood is a concrete-forming panel with a high-density resin-impregnated fibre overlay hot-pressed onto one or both faces. The closed overlay casts a glossy fair-face pour and resists abrasion across reuse cycles. Vinawood builds the APA-style ladder as HDO Basic, HDO Premium, and HDO Premium HD on a plantation-grown hardwood core with WBP phenolic bond (EN 636-3 / Class 3). Spec overlay grade, face build (1S / 2S / 1SF), thickness, and reuse as up to N — not kraft-paper paint or sign panels.
What is the difference between HDO and phenolic film-faced plywood?
Both can be phenolic Class 3 when the core bond is PF, but the face build differs. HDO uses a dense fibre overlay for glossy architectural concrete; film-faced phenolic uses a kraft paper film measured in gsm. They are not interchangeable line for line on an RFQ. Choose HDO when the drawing wants gloss and high abrasion life; choose film-faced phenolic when the programme is kraft-film formwork. See the phenolic plywood grades guide and the HDO plywood guide.
What is the difference between HDO and MDO plywood?
HDO carries a denser, harder resin overlay that casts a glossy concrete face and takes more abrasion across reuse cycles. MDO as a search term often points buyers to MatteFace for matte formwork, or to kraft-paper MDO for paint and signs. Keep HDO on the RFQ when the drawing wants gloss and high-density overlay, and write MatteFace when the finish is matte — soft bridge only, not a paint-grade sheet.
How many times can HDO plywood be reused for formwork?
Vinawood rates HDO Basic at up to 10 reuse cycles and HDO Premium / Premium HD at up to 20 under correct site practice. Those are maximums, not packing-list guarantees — thin release every pour, clean plastic scrapers at strip-out, sealed cuts, and flat covered storage decide whether you hit the card. Never plan programmes on 25, 30, or 50+ claims.
Is HDO plywood waterproof?
No. HDO is water-resistant, not waterproof. The resin overlay sheds mix water and resists abrasion, and Vinawood HDO is WBP phenolic-bonded (EN 636-3 / Class 3). Cut edges still wick moisture, so seal edges and store panels flat under cover between pours.
Where can I buy HDO plywood mill packs?
Buy mill packs factory-direct from Vinawood in Vietnam, or through appointed specialty distributors that stock HDO grades. Put overlay grade (Basic vs Premium), face build (1S / 2S / 1SF), thickness, and container volume on the RFQ. Use /contact or /rfq for FOB quotes — we do not publish list prices.