FlammabilityBased on the test reports for BS 476 Part 6:1989 + A1:2009, BS 476 Part 7:1997, and ASTM E84-23d, the test results indicate that the product meets the requirements for Class A Interior Wall & Ceiling Finish Category. MaintenanceTo clean the surface, use a damp cloth or sponge and a mild soap or detergent; Rinse thoroughly with warm water and wipe dry; Avoid acidic or abrasive cleaners; A diluted bleach solution can be used as a disinfectant; Reference the Care & Maintenance Guide for additional information Stain ResistanceBased on the test report for GB/T7911-2013, the stain resistance is rated at the highest level, grade 1, which aids in daily cleaning and maintenance