... GS EN1177 approval professional rubber tiles manufacturer ,safety rubber tile (A-22906) Description of outdoor rubber tiles . Color ... testing by the national authorities, non-toxic, harmless, no pollution, no stimulation, non-radioactive, has a good abrasion resistance, ... 100% recycled rubber, Green Environment.3. Average density ,No warping.4. Resilient, shock-proofing,high temperature resistent5. Easy ...