What is PVA glue (PVAc)? D2, D3, D4 classes and uses

PVA glue is the most common water-based adhesive in wood and furniture. Properties, EN 204 water resistance classes, uses and correct application conditions.

PVA glue (PVAc, white glue, wood glue) is a polyvinyl acetate dispersion that sets as water is absorbed by the wood and evaporates, giving a clear, strong and economical bond.

EN 204 classes

ClassEnvironment
D2Interior, occasional short-term moisture
D3Interior with frequent short-term water; sheltered exterior
D4Interior with frequent long-term water; exterior exposed to weather

Uses

Dowelling and frame assembly, solid panels and glulam, veneer and HPL bonding, doors, windows and stairs.

Conditions

Wood moisture around 8–12 %, temperature above MFT, correct spread, respect open/closed assembly times, proper press pressure and time, and frost-free storage.

See dispersion adhesives or contact us.

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