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How do manufacturers test the flame resistance of landscape sofa materials?
Manufacturers rigorously test the flame resistance of landscape sofa materials to ensure they meet safety standards and reduce fire hazards. Common methods include the Vertical Flame Test (ASTM D6413), where a fabric sample is exposed to a controlled flame to measure burn rate and after-flame time. Another standard, the California Technical Bulletin 117 (TB 117), assesses smolder resistance by simulating cigarette ignition on upholstery materials.
Advanced labs also use the Oxygen Index Test (ASTM D2863) to determine the minimum oxygen concentration required for combustion. Additionally, some manufacturers conduct large-scale tests, such as the NFPA 260, which evaluates the entire sofa assembly’s fire performance. These tests help ensure materials like synthetic fibers, treated fabrics, or fire-retardant foams comply with regional and international safety regulations.
By combining these methods, manufacturers guarantee that landscape sofas are both durable and safe for outdoor or high-risk environments. Regular audits and certifications from organizations like UL or Intertek further validate their flame-resistant claims.
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