Overview
EN ISO 22631:2019 - titled Adhesives - Test method for adhesives for floor and wall coverings - Peel test - is a CEN-endorsed adoption of ISO 22631:2019. It specifies a laboratory test method to measure the peel adhesion of resilient or textile floor coverings and wall coverings (note: wall covering excludes wallpaper) bonded to a substrate. The method quantifies resistance to peel forces before and after specified conditioning to help assess adhesive performance and durability.
Key Topics and Requirements
- Scope and purpose: Measures peel resistance of coverings bonded to substrates under defined conditions; intended for resilient and textile coverings.
- Substrates: Uses either fibre cement (autoclaved, ~8 mm thick panels) or plywood (~5 mm thick panels). Panel width is (50 ± 0.5) mm; test covering pieces are typically 250 mm × 50 mm.
- Apparatus:
- Notched trowel (notch dimensions set by adhesive manufacturer).
- Roller (example: 60 ± 5 mm width, mass ~3.50 ± 0.05 kg).
- Heating/conditioning chamber (20–200 °C adjustable per ISO 9142).
- Tensile testing machine meeting ISO 7500-1 (class 1).
- Peeling device with specified rolls.
- Specimen preparation:
- Cleaning, adhesive sampling (ISO 15605), and conditioning of materials at (23 ± 2) °C and (50 ± 5) % RH (ISO 554).
- Fibre-cement panels are preheated (e.g., 6 h at ~80 °C) then reconditioned before use.
- Adhesive applied with a notched trowel and rolled to ensure uniform contact.
- Test procedure and evaluation:
- Peel resistance is measured using a tensile testing machine and peeling device.
- Results reported for specified conditioning sequences and expressed according to the standard’s evaluation rules.
- Safety and environmental notes: Normal laboratory practice and responsible waste disposal recommended.
Applications and Who Uses It
- Adhesive manufacturers - product development, quality control, and comparative performance data.
- Flooring and wall-covering manufacturers - validating adhesive/covering compatibility.
- Independent test laboratories and certification bodies - standardized testing for compliance and claims.
- Specifiers, architects, and installers - selecting adhesives suited to substrates (fibre cement or plywood) and service conditions.
- R&D teams - ageing studies and formulation optimization.
Related Standards
Keywords: EN ISO 22631:2019, peel test, adhesives, floor coverings, wall coverings, test method, adhesion, fibre cement, plywood, conditioning.
