EN 311 — Surface soundness test method for wood-based panels
EN 311 is the test method for the surface soundness (pull-off strength) of wood-based panels. To match this to your program, talk with our team.
What EN 311 Covers
It measures how firmly the surface layer of a wood-based panel resists pull-off, relevant to overlaid and unfaced boards before finishing.
How the Test Is Run
A test dolly is bonded to the panel surface and pulled off perpendicular to the face, and the pull-off force gives the surface soundness.
Why It Matters
Surface soundness governs how well coatings and overlays adhere; a pull-off fixture and accurate normal loading are essential.
Reading the Designation
Cited as EN 311 with its edition year. Confirm the edition and specimen or fixture requirements before finalizing setup. To configure a testing setup, request a quote.
TensileMill CNC products for EN 311
Our specimen-preparation systems and testing equipment compatible with EN 311.

TensileMill CNC MICRO – Precision Flat Tensile & Impact Micro Machine
MICRO – Precision Flat Tensile & Impact Sample Preparation

TensileTurn CNC – Industrial Upgrade – Round Tensile Sample Preparation Machine
Industrial Upgrade – Round Tensile Sample Preparation

Electro Mechanical Universal Testing System 5 kN / 50 kN with Precision Load Cell
Electro-Mechanical UTM · 5 kN / 50 kN with Precision Load Cell

TensileTurn CNC MINI – Compact Round Tensile Specimen Preparation Machine
MINI – Compact Round Tensile Specimen Preparation
Set up EN 311 testing with TensileMill CNC
Tell us your materials, specimen forms, and required test sections, and our team will match the right configuration.