SPC Flooring Locking System Quality: What Buyers Should Check Before Ordering
Locking System Quality Audit: Key Takeaways for Importers Joint Tensile Strength (ISO 24334): Ensure locking joints withstand strict mechanical pull tests—long sides must exceed ≥ 2.0 kN/m and short sides ≥ 3.0 kN/m to avoid gaps under rolling office chairs and temperature shifts. Core Formulation & Brittleness: Excess calcium carbonate (limestone) or recycled PVC makes
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